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(str){
	return RTrim(LTrim(str));
}


function openWindow(theURL,winName,features) { //v2.0
  window.open(theURL,winName,features);
}
function back(){
	history.back();
	return;
}