gistfile1.js

	function SetCSSAttribute(tag, attributeName, attributeValue) { 
		// Sets a "CSS" attribute such as "position:absolute" in a tag value 
		// Passing an attribute value of null removes that attribute entirely
		if (tag==null) return; 
		var tagField = tag['style']; 
		if (tagField == null){
			tag['style'] = '"'+attributeName+':'+attributeValue+'"'; 
		}else{
			var tagField = tagField.toString();
			var pairs = tagField.slice(1,-1).split(';');
			var out = new Array();
			if(attributeValue != null && tagField.indexOf(attributeName) < 0) out.push(attributeName+':'+attributeValue);
			for(i in pairs){
				pairs[i] = pairs[i].replace(/^\s*(\S*(\s+\S+)*)\s*$/, "$1"); //javascript equivalent of trim
				if(pairs[i].slice(0,pairs[i].indexOf(':')) == attributeName) {
					if(attributeValue != null) out.push(attributeName+':'+attributeValue);
				}else{
					out.push(pairs[i]);
				}
			}
			tag['style']= fwQuote(out.join('; ')); 
		}
	} 
	function GetCSSAttribute(tag, attributeName) { 
		// Gets a "CSS" attribute such as "position:absolute" from a tag value 
		// returns NULL if the attribute can not be found 
		if (tag==null) return null; 
		var tagField = tag['style']; 
		if (tagField == null) {
			return null; 
		}else { 
			var tagField = tagField.toString(); 
			var pairs = tagField.slice(1,-1).split(';');
			for(i in pairs){
				pairs[i] = pairs[i].replace(/^\s*(\S*(\s+\S+)*)\s*$/, "$1"); //javascript equivalent of trim
				if(pairs[i].slice(0,pairs[i].indexOf(':')) == attributeName) {
					return pairs[i].slice(pairs[i].indexOf(':')+1,pairs[i].length);
				}
			}
			return null; 
		} 
	}