function elm(sID) {
	return document.getElementById(sID);
}
function trim(str) {
	return str.replace(/^\s*|\s*$/g,"");
}
function getLocation(obj, XorY) {
	var loc = 0;
	while (obj) {
		if (XorY == "X") loc += obj.offsetLeft;
		if (XorY == "Y") loc += obj.offsetTop;
    obj = obj.offsetParent;
	}
	return loc;
}