/*

Facelift Image Replacement v1.2 beta 4

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: '1.2b4'

	

	,options: {

		 path: 'mambots/flir/'

		,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()) {

			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';node.nodeValue

					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);

		

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

			return;

		

		if(o.hasChildNodes() && o.childNodes.length > 1)

			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];

		}

		

		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) { return (typeof o != 'undefined' && 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) {

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

	return FLIR.options.path+'generate.php?text='+enc_text+'&h=800&w=800&fstyle='+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;

	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');

	return fontweight.toString().search(/bold|bolder|lighter/)>-1 ? fontweight : '';

};



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]'; };