/*

Facelift Image Replacement v1.2

Facelift was written and is maintained by Cory Mawhorter.  

It is available from http://facelift.mawhorter.net/



===



This file is part of Facelife Image Replacement ("FLIR").



FLIR is free software: you can redistribute it and/or modify

it under the terms of the GNU General Public License as published by

the Free Software Foundation, either version 3 of the License, or

(at your option) any later version.



FLIR is distributed in the hope that it will be useful,

but WITHOUT ANY WARRANTY; without even the implied warranty of

MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

GNU General Public License for more details.



You should have received a copy of the GNU General Public License

along with Facelift Image Replacement.  If not, see <http://www.gnu.org/licenses/>.

*/



var FLIR = {

     version: '1.2'

    

    ,options: {

         path: ''

        ,classnameIgnore: false

        ,findEmbededFonts: false

        ,ignoredElements: 'BR,HR,IMG,INPUT,SELECT'

    }

    

    ,onreplacing: null

    ,onreplaced: null

    ,onreplacingchild: null

    ,onreplacedchild: null

    

    ,flirElements: {}

    ,flirPlugins: []

    

    ,isCraptastic: true

    ,isIE: true



    ,defaultStyle: null

    ,classStyles: {}

        

    ,embededFonts: {}



    ,dpi: 96

    

    // either (options Object, fstyle FLIRStyle Object) or (fstyle FLIRStyle Object)

    ,init: function(options, fstyle) { // or options for flir style

        if(this.isFStyle(options)) { // (fstyle FLIRStyle Object)

            this.defaultStyle = options;

        }else { // [options Object, fstyle FLIRStyle Object]

            if(typeof options != 'undefined')

                this.loadOptions(options);

        

            if(typeof fstyle == 'undefined') {

                this.defaultStyle = new FLIRStyle();

            }else {

                if(this.isFStyle(fstyle))

                    this.defaultStyle = fstyle;

                else

                    this.defaultStyle = new FLIRStyle(fstyle);

            }

        }



        this.calcDPI();

                        

        if(this.options.findEmbededFonts)

            this.discoverEmbededFonts();



        this.isIE = (navigator.userAgent.toLowerCase().indexOf('msie')>-1 && navigator.userAgent.toLowerCase().indexOf('opera')<0);

        this.isCraptastic = (typeof document.body.style.maxHeight=='undefined');



        if(this.isIE) {

            this.flirIERepObj = [];

            this.flirIEHovEls = [];

            this.flirIEHovStyles = [];    

        }



        FLIR._call_plugin('init', arguments);

    }

    

    ,loadOptions: function(options) {

        for(var i in options)

            this.options[i] = options[i];

    }    

    

    ,installPlugin: function(plugin) {

        this.flirPlugins.push(plugin);

    }

    

    ,_call_plugin: function(func, call) {

        var ret = call;

        for(var i=0; i<this.flirPlugins.length; i++) {

            if(typeof this.flirPlugins[i][func] == 'function') {

                var pluginret = this.flirPlugins[i][func](ret);



                if(typeof pluginret == 'undefined') {

                    continue;

                }

                if(typeof pluginret == 'boolean' && pluginret == false) {

                    return false;

                }

                if(typeof pluginret != 'boolean') // passes changes on

                    ret = call;



            }

        }

        

        var ret = typeof ret != 'object' ? [ret] : ret;

        if(ret.length && ret[0] && ret[0].callee)

            return ret[0];

        else

            return ret;

    }

    

    ,auto: function(els) {

        if(!(args = FLIR._call_plugin('auto', arguments))) return;

        els = args[0];

        

        var tags = typeof els=='undefined'?['h1','h2','h3','h4','h5']:(els.indexOf && els.indexOf(',')>-1?els.split(','):els);

        var elements;

        for(var i=0; i<tags.length; i++) {

            elements = this.getElements(tags[i]);            



            if(elements.length>0)

                this.replace(elements);

        }

    }

    

    

    ,hover: function(e) {

        var o=FLIR.evsrc(e);

        var targ=o;

        var targDescHover = o.flirHasHover;

        var hoverTree = o;

        

        var on = (e.type == 'mouseover');

        

        while(o != document.body && !o.flirMainObj) {

            o = FLIR.getParentNode(o);

            

            if(!targDescHover) {

                    targDescHover = o.flirHasHover;

                    hoverTree = o;

            }

        }

        

        if(o==document.body) return;

        

        var FStyle = FLIR.getFStyle(o);

        if(on && FStyle != FStyle.hoverStyle)

            FStyle = FStyle.hoverStyle;

            

        if(!(args = FLIR._call_plugin('hover', [ on, targ, o, hoverTree ]))) return;

        on                = args[0];

        targ             = args[1];

        o                 = args[2];

        hoverTree     = args[3];

        

        var objs = FLIR.getChildren(hoverTree);

        if(objs.length == 0 || (objs.length == 1 && (objs[0].flirImage || objs[0].flirHasHover))) {

            objs = [hoverTree];

        }else if(objs.length == 1 && !FLIR.isIgnoredElement(objs[0])) {

            var subobjs = FLIR.getChildren(objs[0]);

            if(subobjs.length > 0)

                if((subobjs.length==1 && !subobjs[0].flirImage) || subobjs.length > 1)

                    objs = subobjs;

        }



        var rep_obj;

        for(var i=0; i < objs.length; i++) {

            rep_obj = objs[i];

            if(rep_obj.nodeName == 'IMG') continue;

            if(!rep_obj.innerHTML) continue; // IE 



            if(FLIR.isIE) {

                var idx = FLIR.flirIEHovEls.length;

                FLIR.flirIERepObj[idx] = rep_obj;

                FLIR.flirIEHovStyles[idx] = FStyle;

                

                if(!FLIR.isCraptastic) {

                    if(FStyle.useBackgroundMethod && FLIR.getStyle(rep_obj, 'display') == 'block') {

                        FLIR.flirIEHovEls[idx] = rep_obj;

                        setTimeout('FLIR.flirIERepObj['+idx+'].style.background = "url("+('+on+' ? FLIR.flirIEHovStyles['+idx+'].generateURL(FLIR.flirIERepObj['+idx+']) : FLIR.flirIERepObj['+idx+'].flirOrig)+") no-repeat";', 0);

                    }else {

                        FLIR.flirIEHovEls[idx] = rep_obj.flirImage ? rep_obj : FLIR.getChildren(rep_obj)[0];

                        if(!FLIR.flirIEHovEls[idx].flirOrigWidth) {

                            FLIR.flirIEHovEls[idx].flirOrigWidth = FLIR.flirIEHovEls[idx].width;

                            FLIR.flirIEHovEls[idx].flirOrigHeight = FLIR.flirIEHovEls[idx].height;

                        }

                        var ie_js = 'FLIR.flirIEHovEls['+idx+'].src = '+on+' ? FLIR.flirIEHovStyles['+idx+'].generateURL(FLIR.flirIERepObj['+idx+'], FLIR.flirIEHovEls['+idx+'].alt) : FLIR.flirIERepObj['+idx+'].flirOrig;'

                        ie_js += 'FLIR.flirIEHovEls['+idx+'].onload = function() { ';

                        if(on && !FLIR.flirIEHovEls[idx].flirHoverWidth) {

                            ie_js += '        FLIR.flirIEHovEls['+idx+'].flirHoverWidth = this.width; ';

                            ie_js += '        FLIR.flirIEHovEls['+idx+'].flirHoverHeight = this.height; ';

                        }

                        ie_js += '    this.style.width = FLIR.flirIEHovEls['+idx+'].'+(on?'flirHoverWidth':'flirOrigWidth')+'+"px"; ';

                        ie_js += '    this.style.height = FLIR.flirIEHovEls['+idx+'].'+(on?'flirHoverHeight':'flirOrigHeight')+'+"px"; ';

                        ie_js += '}; ';

                        setTimeout(ie_js, 0);

                    }

                }else {

                    FLIR.flirIEHovEls[idx] = rep_obj.flirImage ? rep_obj : FLIR.getChildren(rep_obj)[0];

                    setTimeout('  FLIR.flirIEHovEls['+idx+'].style.filter = \'progid:DXImageTransform.Microsoft.AlphaImageLoader(src="\'+FLIR.flirIEHovStyles['+idx+'].generateURL(FLIR.flirIERepObj['+idx+'], FLIR.flirIEHovEls['+idx+'].alt)+\'", sizingMethod="image")\';  ', 0);

                }

            }else {

                if(FStyle.useBackgroundMethod && FLIR.getStyle(rep_obj, 'display') == 'block') {

                    var hovURL = rep_obj.flirHoverURL ? rep_obj.flirHoverURL : FStyle.generateURL(rep_obj);

                    rep_obj.style.background='url('+(on?hovURL:rep_obj.flirOrig)+') no-repeat';

                }else {

                    var img = rep_obj.flirImage ? rep_obj : FLIR.getChildren(rep_obj)[0];

                    var hovURL = rep_obj.flirHoverURL ? rep_obj.flirHoverURL : FStyle.generateURL(rep_obj, img.alt);

                    img.src = on?hovURL:rep_obj.flirOrig;

                }

            }

        }

    }



    ,addHover: function(obj) {

        if(!(args = FLIR._call_plugin('addHover', arguments))) return;

        obj    = args[0];

        

        obj.flirHasHover = true;

        

        if(obj.addEventListener) {

            obj.addEventListener( 'mouseover', FLIR.hover, false );

            obj.addEventListener( 'mouseout', FLIR.hover, false );

        }else if (obj.attachEvent) {

            obj.attachEvent( 'onmouseover', function() { FLIR.hover( window.event ); } );

            obj.attachEvent( 'onmouseout', function() { FLIR.hover( window.event ); } );

        }

    }

    

    ,prepare: function(n) {

        if(!(args = FLIR._call_plugin('prepare', arguments))) return;

        n = args[0];

        

        if(n && n.hasChildNodes() && n.childNodes.length > 1) {

            for(var i in n.childNodes) {

                var node = n.childNodes[i];

                if(node && node.nodeType == 3) {

                    var span = document.createElement('SPAN');

                    span.style.margin = span.style.padding = span.style.border = '0px';

                    span.className = 'flir-span';

						  span.flirSpan = true;

                    var txt = node.nodeValue.replace(/[\t\n\r]/g, ' ').replace(/\s\s+/g, ' ');

                    span.innerHTML = !FLIR.isIE ? txt : node.nodeValue.replace(/^\s+|\s+$/g,'&nbsp;');

                    n.replaceChild(span, node);

                }

            }

        }

    }

    

    ,replace: function(o, FStyle) {

        if(!(args = FLIR._call_plugin('replace', arguments))) return;

        o         = args[0];

        FStyle     = args[1];



        if (!o || o.flirReplaced)

            return;

        

        if(!this.isFStyle(FStyle))

            FStyle = this.getFStyle(o);



        if(typeof o == 'string')

            o = this.getElements(o);

        

        if(typeof o.length != 'undefined') {

            if(o.length == 0) return;



            for(var i=0; i< o.length; i++)

                this.replace(o[i], FStyle);

            

            return;

        }



        if(typeof FLIR.onreplacing == 'function') o = FLIR.onreplacing(o, FStyle);

        

        o.flirMainObj = true;

        this.setFStyle(o, FStyle);

        this.saveObject(o);

        

        if(this.options.findEmbededFonts && typeof this.embededFonts[FStyle.getFont(o)] != 'undefined')

            return;

        

        FLIR.prepare(o);        

        this._replace_tree(o, FStyle);



        if(typeof FLIR.onreplaced == 'function') FLIR.onreplaced(o, FStyle);

    }

    

    ,_replace_tree: function(o, FStyle) {

        if(typeof __flir_replacetree_recurse == 'undefined') __flir_replacetree_recurse = 1;

        else __flir_replacetree_recurse++;

        

        if(__flir_replacetree_recurse>1000) {

            console.error('Facelift: Too much recursion.');

            return;

        }

        

        var objs = !o.hasChildNodes() || (o.hasChildNodes() && o.childNodes.length==1 && o.childNodes[0].nodeType==3) ? [o] : o.childNodes;



        var rep_obj;

        for(var i=0; i < objs.length; i++) {

            rep_obj = objs[i];

            if(typeof FLIR.onreplacingchild == 'function') rep_obj = FLIR.onreplacingchild(rep_obj, FStyle);



            if(!rep_obj.innerHTML || rep_obj.nodeType != 1) continue;

            if(FLIR.isIgnoredElement(rep_obj)) continue;

            if(rep_obj.flirReplaced) continue;



            if(rep_obj.nodeName == 'A' && !rep_obj.flirHasHover)

                FLIR.addHover(rep_obj);



            if(rep_obj.hasChildNodes() && (rep_obj.childNodes.length > 1 || rep_obj.childNodes[0].nodeType != 3)) {

                FLIR.prepare(rep_obj);

                FLIR._replace_tree(rep_obj, FStyle);

                continue;

            }



            if(rep_obj.innerHTML == '') continue; // skip empty tags, if they exist

            

            if(!FLIR.isCraptastic)

                if(FStyle.useBackgroundMethod)

                    FLIR.replaceMethodBackground(rep_obj, FStyle);

                else

                    FLIR.replaceMethodOverlay(rep_obj, FStyle);

            else

                FLIR.replaceMethodCraptastic(rep_obj, FStyle);



            rep_obj.className += ' flir-replaced';

            rep_obj.flirReplaced = true;

            

            if(typeof FLIR.onreplacedchild == 'function') FLIR.onreplacedchild(o, FStyle);

        }

    }

    

    ,replaceMethodBackground: function(o, FStyle) {

        if(!(args = FLIR._call_plugin('replaceMethodBackground', arguments))) return;

        o         = args[0];

        FStyle     = args[1];



        var oid = this.saveObject(o);

        var url = FStyle.generateURL(o);

        

        if(FLIR.getStyle(o, 'display') != 'block')

            o.style.display='block';

        

        var tmp = new Image();

        tmp.onload = function() {

            FLIR.flirElements[oid].style.width=this.width+'px';

            FLIR.flirElements[oid].style.height=this.height+'px';

            

            if(FStyle != FStyle.hoverStyle) {

                var h_img = new Image();

                o.flirHoverURL = h_img.src = FStyle.hoverStyle.generateURL(o);

            }

        };

        tmp.src = url;

        

        o.style.background = 'url("'+url.replace(/ /g, '%20')+'") no-repeat';

        o.flirOrig = url;

        

        o.oldTextIndent = o.style.textIndent;

        o.style.textIndent='-9999px';

    }



    ,replaceMethodOverlay: function(o, FStyle) {

        if(!(args = FLIR._call_plugin('replaceMethodOverlay', arguments))) return;

        o         = args[0];

        FStyle     = args[1];



        var oid = this.saveObject(o);

        var img = document.createElement('IMG');

        img.alt = this.sanitizeHTML(o.innerHTML);



        if(FStyle != FStyle.hoverStyle) {

            img.onload = function() {

                    var h_img = new Image();

                    o.flirHoverURL = h_img.src = FStyle.hoverStyle.generateURL(o, img.alt);

            };

        }

        

        if(img.onerror) {

            img.onerror = function() {

                var span = document.createElement('SPAN');

                span.innerHTML = img.alt;

                try {

                    o.replaceChild(span,img)

                }catch(err) { }

            };

        }



        img.flirImage = true;

        img.className = 'flir-image';

        img.src = FStyle.generateURL(o);

        img.style.border='none';

        o.flirOrig = img.src;

        o.innerHTML='';

        o.appendChild(img);

    }



    ,replaceMethodCraptastic: function(o, FStyle) {

        if(!(args = FLIR._call_plugin('replaceMethodCraptastic', arguments))) return;

        o         = args[0];

        FStyle     = args[1];



        var oid = this.saveObject(o);

        var url = FStyle.generateURL(o);

        

        var img = document.createElement('IMG');

        img.alt = this.sanitizeHTML(o.innerHTML);        

        if(FStyle != FStyle.hoverStyle) {

            img.onload = function() {

                    var h_img = new Image();

                    o.flirHoverURL = h_img.src = FStyle.hoverStyle.generateURL(o, img.alt);

            };

        }



        img.flirImage = true;

        img.className = 'flir-image';

        img.src = this.options.path+'spacer.png';

        img.style.width=o.offsetWidth+'px';

        img.style.height=o.offsetHeight+'px';

        img.style.filter = 'progid:DXImageTransform.Microsoft.AlphaImageLoader(src="'+url+'", sizingMethod="image")';



        o.flirOrig = url;

        o.innerHTML='';

        o.appendChild(img);

    }



    ,saveObject: function(o) {

        if(typeof o.flirId == 'undefined') {

            o.flirId = this.getUID();

            this.flirElements[o.flirId] = o;

        }

        

        return o.flirId;

    }

    

    ,getUID: function() {

        var prefix='flir-';

        var id=prefix+Math.random().toString().split('.')[1];

        var i=0;

        while(typeof this.flirElements[id] != 'undefined') {

            if(i>100000) {

                console.error('Facelift: Unable to generate unique id.');    

            }

            id=prefix+Math.random().toString().split('.')[1];

            i++;

        }

        

        return id;

    }

    

    ,getElements: function(tag) {

        if(!(args = FLIR._call_plugin('getElements', arguments))) return;

        switch(args.length) {

            case 1:

                tag = args[0];

                break;

            case 2: // plugin returned list of elements

                return args[0];

                break;

        }

        

        var found = [];



        if(document.querySelectorAll) {

            var qsa = false;

            try{

                found = document.querySelectorAll(tag);

                qsa = true;

            }catch(err){ qsa=false; }



            if(qsa)

                return found;

        }



        var objs,subels,cn,childs,tag,el,matches,subel,rep_el;

    

        el = tag;

        

        subel=false;

		if(el.indexOf(' ')>-1) {

			var parts = el.split(' ');

			el = parts[0];

			subel = parts[1];

		}else if(el[0] == '#') {

			return document.getElementById(el.substr(1));

		}

        

        var grain_id=false;

        if(el.indexOf('#') > -1) {

            grain_id = el.split('#')[1];

            tag = el.split('#')[0];

        }



        var grain_cn=false;

        if(el.indexOf('.') > -1) {

            grain_cn = el.split('.')[1];

            tag = el.split('.')[0];

        }



        objs = document.getElementsByTagName(tag);

        for(var p=0; p<objs.length; p++) {

            if(objs[p].nodeType != 1) continue;

            matches = false;

            cn = objs[p].className?objs[p].className:'';

            

            if(grain_id && objs[p].id && objs[p].id == grain_id)

                matches=true;

            if(grain_cn && FLIR.hasClass(objs[p], grain_cn))

                matches=true;

            if(!grain_id && !grain_cn)

                matches=true;

            

            if(!matches) continue;

            if(this.options.classnameIgnore && cn.indexOf(this.options.classnameIgnore)>-1) continue;

            

            subels = false != subel ? objs[p].getElementsByTagName(subel) : [objs[p]];

            for(var pp=0; pp<subels.length; pp++) {

                rep_el = subels[pp];

                if(this.options.classnameIgnore && rep_el.className && rep_el.className.indexOf(this.options.classnameIgnore)>-1) continue;



                found.push(rep_el);

            }

        }

        

        return found;

    }

    

    ,discoverEmbededFonts: function() {

        this.embededFonts = {};

        for(var i in document.styleSheets) {

            if(!document.styleSheets[i].cssRules) continue;

            for(var ii in document.styleSheets[i].cssRules) {

                if(!document.styleSheets[0].cssRules[ii]) continue;

                var node = document.styleSheets[0].cssRules[ii];

                

                if(node.type && node.type == node.FONT_FACE_RULE) {

                    var nodesrc = node.style.getPropertyValue('src').match(/url\("?([^"\)]+\.[ot]tf)"?\)/i)[1];

                    var font = node.style.getPropertyValue('font-family');

                    if(font.indexOf(',')) {

                        font = font.split(',')[0];

                    }

                

                    font = font.replace(/['"]/g, '').toLowerCase();

                    

                    if(font!='' && nodesrc != '')

                        this.embededFonts[font] = nodesrc;

                }

            }

        }    

    }



    ,getStyle: function(el,prop) {

        if(el.currentStyle) {

            if(prop.indexOf('-') > -1)

                prop = prop.split('-')[0]+prop.split('-')[1].substr(0, 1).toUpperCase()+prop.split('-')[1].substr(1);

            var y = el.currentStyle[prop];

        }else if(window.getComputedStyle) {

            var y = document.defaultView.getComputedStyle(el,'').getPropertyValue(prop);

        }

        return y;

    }

        

    ,getChildren: function(n) {

        var children=[];

        if(n && n.hasChildNodes())

            for(var i in n.childNodes)

                if(n.childNodes[i] && n.childNodes[i].nodeType == 1)

                    children[children.length]=n.childNodes[i];

    

        return children;

    }

    

    ,getParentNode: function(n) {

        var o=n.parentNode;

        while(o != document && o.nodeType != 1)

            o=o.parentNode;

    

        return o;

    }

    

    ,hasClass: function(o, cn) {

        return (o && o.className && o.className.indexOf(cn)>-1);

    }

    

    ,evsrc: function(e) {

        var o;

        if (e.target) o = e.target;

        else if (e.srcElement) o = e.srcElement;

        if (o.nodeType == 3) // defeat Safari bug

            o = o.parentNode;    

            

        return o;

    }

    

    ,calcDPI: function() {

        if(screen.logicalXDPI) {

            var dpi = screen.logicalXDPI;

        }else {

            var id = 'flir-dpi-div-test';

            if(document.getElementById(id)) {

                var test = document.getElementById(id);

            }else {

                var test = document.createElement('DIV');

                test.id = id;

                test.style.position='absolute';

                test.style.visibility='hidden';

                test.style.border=test.style.padding=test.style.margin='0';

                test.style.left=test.style.top='-1000px';

                test.style.height=test.style.width='1in';

                document.body.appendChild(test);

            }

            

            var dpi = test.offsetHeight;

        }

        

        this.dpi = parseInt(dpi);

    }

    

    ,isIgnoredElement: function(el, breakIgnored) { return ((','+this.options.ignoredElements).indexOf(','+el.nodeName)>-1); }

    ,sanitizeHTML: function(html) { return html.replace(/<[^>]+>/g, ''); }

    

    ,getFStyle: function(o, fstyle) { 

        var cStyle = this.getClassStyle(o);

        if(this.isFStyle(cStyle))

            fstyle = cStyle;



        if(this.isFStyle(fstyle)) {

            return fstyle;

        }else if(this.isFStyle(o.flirStyle)) {

            return o.flirStyle;

        }else {

            return this.defaultStyle;

        }

    }

    ,setFStyle: function(o, FStyle) { o.flirStyle = FStyle; }

    ,isFStyle: function(o) { if(!o) return false; return (o.toString() == '[FLIRStyle Object]'); }



    ,addClassStyle: function(classname, FStyle) {

        if(this.isFStyle(FStyle))

            this.classStyles[classname] = FStyle;

    }

    ,getClassStyle: function(o) {

        if(!(args = FLIR._call_plugin('getClassStyle', arguments))) return;

        switch(args.length) {

            case 1:

                o = args[0];

                break;

            case 2: // plugin returned a style

                return args[0];

                break;

        }



        var cn = o.className;

        if(this.classStyles.length == 0 || typeof cn == 'undefined' || cn=='') return false;

        

        var classes = cn.split(' ');

        for(var i in this.classStyles) {

            for(var ii=0; ii<classes.length; ii++) {

                if(classes[ii]==i) {

                    return this.classStyles[i];

                }

            }

        }

        

        return false;

    }

};

























function FLIRStyle(options) {

    this.useBackgroundMethod     = false;

    this.inheritStyle             = true;

    this.useExtendedStyles        = false;

    this.hoverStyle             = (arguments[1] && FLIR.isFStyle(arguments[1])) ? arguments[1] : this;

    

    // options are sent along with the query string

    this.options = {

         mode: '' // none (''), wrap,progressive or name of a plugin

        ,output:'auto' // auto, png, gif, jpg

        

        ,cSize: null

        ,cColor: null

        ,cFont: null // font-family

        

        ,realFontHeight: false

        ,dpi: 96

    };

    

    // supported css properties to internal name

    this.cssStyles = {

         'background-color'    : 'Background'

        ,'color'             : 'Color'

        ,'font-family'        : 'Font'

        ,'font-size'        : 'Size'

        ,'letter-spacing'    : 'Spacing'

        ,'line-height'        : 'Line'

        ,'text-align'        : 'Align'

        ,'text-transform'    : 'Transform'

    };

    

    this.extendedStyles = {

         'font-stretch'        : 'Stretch'

        ,'font-style'        : 'FontStyle'

        ,'font-variant'        : 'Variant'

        ,'font-weight'        : 'Weight'

        ,'opacity'            : 'Opacity'

        ,'text-decoration'    : 'Decoration'

    }

    

    // legacy option support

    for(var i in options) {

        if(i.indexOf('css')==0)

            i = 'c'+i.substr(3);



        if(typeof this[i] != 'undefined') {

            this[i] = options[i];

        }else {

            this.options[i] = options[i];

        }

    }

    this.options.dpi = FLIR.dpi;

    

    

    if(this.useExtendedStyles)

        for(var i in this.extendedStyles)

            this.cssStyles[i] = this.extendedStyles[i];

    

    for(var i=0; i<FLIR.flirPlugins.length; i++)

        if(FLIR.flirPlugins[i].FLIRStyleExtend && typeof FLIR.flirPlugins[i].FLIRStyleExtend.init)

            FLIR.flirPlugins[i].FLIRStyleExtend.init.call(this);

}



// generate a url based on an object

FLIRStyle.prototype.generateURL = function(o) { // [, text]

    var enc_text = (arguments[1]?arguments[1]:o.innerHTML);

    var transform = this.options.cTransform;

    if(transform==null)

        transform = FLIR.getStyle(o, 'text-transform');



    switch(transform) {

        case 'capitalize':

            enc_text = enc_text.replace(/\w+/g, function(w){

                              return w.charAt(0).toUpperCase() + w.substr(1).toLowerCase();

                         });

            break;

        case 'lowercase':

            enc_text = enc_text.toLowerCase();

            break;

        case 'uppercase':

            enc_text = enc_text.toUpperCase().replace(/&[a-z0-9]+;/gi, function(m) { return m.toLowerCase(); }); // keep entities lowercase, numeric don't matter

            break;

    }



    enc_text = encodeURIComponent(enc_text.replace(/&/g, '{amp}').replace(/\+/g, '{plus}'));



    return FLIR.options.path+'generate.php?text='+enc_text+'&h='+o.offsetHeight+'&w='+o.offsetWidth+'&fstyle='+this.serialize(o);

};



// create a custom image on the fly

FLIRStyle.prototype.buildURL = function(text, o, maxwidth, maxheight) {

    var enc_text = encodeURIComponent(text.replace(/&/g, '{amp}').replace(/\+/g, '{plus}'));

    return FLIR.options.path+'generate.php?text='+enc_text+'&h='+(maxheight?maxheight:'200')+'&w='+(maxwidth?maxwidth:'800')+'&fstyle='+(o?this.serialize(o):this.serialize());

};



FLIRStyle.prototype.serialize = function(o) {

    var sdata='';

    var options = this.copyObject(this.options);    

    

    if(o && this.inheritStyle) {

        for(var i in this.cssStyles) {

            var name = this.cssStyles[i];



            if(this.options['c'+name] == null || name=='Size')

                this.options['c'+name] = this.get(o, i, name);    

        }

    }

    

    for(var i in this.options) {

        if(this.options[i] == null || typeof this.options[i] == 'undefined' || this.options[i] == 'NaN')

            continue;

        sdata += ',"'+i+'":"'+this.options[i].toString().replace(/"/g, "'")+'"';

    }



    sdata = '{'+sdata.substr(1)+'}';

    this.options = options;



    return escape(sdata);

};



FLIRStyle.prototype.get = function(o, css_property, flirstyle_name) {

    var func = 'get'+flirstyle_name;

    

	 while(o.flirSpan && o != document.body)

	 	o = FLIR.getParentNode(o);

    

    return typeof this[func] == 'function' ? this[func](o) : FLIR.getStyle(o, css_property);

};



FLIRStyle.prototype.getFontStyle = function(o) { 

    return o.nodeName=='EM' || FLIR.getParentNode(o).nodeName=='EM' ? 'italic' : FLIR.getStyle(o, 'font-style');

};



FLIRStyle.prototype.getWeight = function(o) { 

    var fontweight = o.nodeName=='STRONG' || FLIR.getParentNode(o).nodeName=='STRONG' ? 'bold' : FLIR.getStyle(o, 'font-weight');

    

    switch(fontweight.toString()) {

        case '100': case '200': case '300': case 'lighter':

            return 'lighter';

        case '400': case 'normal':

            return '';

        case '500': case '600': case '700': case 'bold':

            return 'bold';

        case '800': case '900': case 'bolder':

            return 'bolder';

    }

};



FLIRStyle.prototype.getFont = function(o) { 

    var font = FLIR.getStyle(o, 'font-family');

    if(font.indexOf(',')) {

        font = font.split(',')[0];

    }



    return font.replace(/['"]/g, '').toLowerCase();

};



FLIRStyle.prototype.getColor = function(o) { 

    var color = FLIR.getStyle(o, 'color');

    if(color.substr(0, 1)=='#')

        color = color.substr(1);

    

    return color.replace(/['"]/g, '').toLowerCase();

};



FLIRStyle.prototype.getSize = function(o) {

    if(this.options.cSize!=null && '*/+-'.indexOf(this.options.cSize[0])<0)

        return this.options.cSize;

    

    var raw = FLIR.getStyle(o, 'font-size');



    var pix;

    if(raw.indexOf('px') > -1) {

        pix = Math.round(parseFloat(raw));

    }else {

        if(raw.indexOf('pt') > -1) {

            var pts = parseFloat(raw);

            pix = pts/(72/this.options.dpi);

        }else if(raw.indexOf('em') > -1 || raw.indexOf('%') > -1) {

            pix = this.calcFontSize(o);

        }

    }



    if(this.options.cSize && '*/+-'.indexOf(this.options.cSize[0])>-1) {

        try {

            pix = this.roundFloat(parseFloat(eval(pix.toString().concat(this.options.cSize))));

        }catch(err) { }

    }

    

    o.flirFontSize = pix;

    

    return pix;

};



FLIRStyle.prototype.getSpacing = function(o) {

    var spacing = FLIR.getStyle(o, 'letter-spacing');

    var ret;

    if(spacing != 'normal') {

        if(spacing.indexOf('em') > -1) {

            var fontsize = o.flirFontSize ? o.flirFontSize : this.getSize(o);

            ret = (parseFloat(spacing)*fontsize);

        }else if(spacing.indexOf('px') > -1) {

            ret = parseFloat(spacing);

        }else if(spacing.indexOf('pt') > -1) {

            var pts = parseFloat(spacing);

            ret = pts/(72/this.options.dpi);            

        }

        

        return this.roundFloat(ret);

    }



    return '';    

};



FLIRStyle.prototype.getLine = function(o) {

    var spacing = FLIR.getStyle(o, 'line-height');

    var val = parseFloat(spacing);

    var fontsize = o.flirFontSize ? o.flirFontSize : this.getSize(o);

    if(spacing.indexOf('em') > -1) {

        ret = (val*fontsize)/fontsize;

    }else if(spacing.indexOf('px') > -1) {

        ret = val/fontsize;

    }else if(spacing.indexOf('pt') > -1) {

        var pts = val;

        ret = (pts/(72/this.options.dpi))/fontsize;

    }else if(spacing.indexOf('%') > -1) {

        return 1.0;    

    }else {

        ret = val;    

    }

    

    return this.roundFloat(ret);

};



FLIRStyle.prototype.roundFloat = function(val) {

    return Math.round(val*10000)/10000;

};



FLIRStyle.prototype.calcFontSize = function(o) {

    var test = document.createElement('DIV');

    test.style.border = '0';

    test.style.padding = '0';

    test.style.position='absolute';

    test.style.visibility='hidden';

    test.style.left=test.style.top='-1000px';

    test.style.left=test.style.top='10px';

    test.style.lineHeight = '100%';

    test.innerHTML = 'Flir_Test';        

    o.appendChild(test);

    

    var size = test.offsetHeight;

    o.removeChild(test);



    return size;

};



FLIRStyle.prototype.copyObject = function(obj) { 

    var copy = {};

    for(var i in obj) {

        copy[i] = obj[i];    

    }

    

    return copy;

};



FLIRStyle.prototype.toString = function() { return '[FLIRStyle Object]'; };