var type = "IE"; //Variable used to hold the browser name
	BrowserSniffer();

	//detects the capabilities of the browser
	function BrowserSniffer() {
		if (navigator.userAgent.indexOf("Opera")!=-1 && document.getElementById) type="OP"; //Opera
		else if (document.all) type="IE"; //Internet Explorer e.g. IE4 upwards
		else if (document.layers) type="NN"; //Netscape Communicator 4
		else if (!document.all && document.getElementById) type="MO"; //Mozila e.g. Netscape 6 upwards
		else type = "IE"; //I assume it will not get here
	}

	function writeLayer(id, str) {
		
		if (type=="IE") { document.all[id].innerHTML = str; }
		if (type=="NN") { document.layers[id].document.open();
			document.layers[id].document.write(str);
			document.layers[id].document.close();
		}
		if (type=="MO" || type=="OP") {
			document.getElementById(id).innerHTML = str;
		}
	}

	function LTrim(str){
		var whitespace = new String(" \t\n\r");
		var s = new String(str);
	
		if (whitespace.indexOf(s.charAt(0)) != -1) {
			var j=0, i = s.length;
			while (j < i && whitespace.indexOf(s.charAt(j)) != -1)
				j++;
			s = s.substring(j, i);
		}
	
		return s;
	}
	
	function RTrim(str){
		var whitespace = new String(" \t\n\r");
		var s = new String(str);
	
		if (whitespace.indexOf(s.charAt(s.length-1)) != -1) {
			var i = s.length - 1;
			while (i >= 0 && whitespace.indexOf(s.charAt(i)) != -1)
				i--;
			s = s.substring(0, i+1);
		}
	
		return s;
	}

	function Trim(s){
		return RTrim(LTrim(s));
	}