function Get(o) { return document.getElementById(o); }

function findPosX(obj)
{
	var curleft = 0;
	if(obj.offsetParent)
		while(1)
		{
			curleft += obj.offsetLeft;
			if(!obj.offsetParent)
				break;
			obj = obj.offsetParent;
		}
	else if(obj.x)
		curleft += obj.x;
	return curleft;
}

function findPosY(obj)
{
	var curtop = 0;
	if(obj.offsetParent)
		while(1)
		{
			curtop += obj.offsetTop;
			if(!obj.offsetParent)
				break;
			obj = obj.offsetParent;
		}
	else if(obj.y)
		curtop += obj.y;
	return curtop;
}

function isEmpty ( str ) 
{
    if (str == null || str.length == 0 || (trim(str)).length == 0)
        return true;
    else
        return false;
}

function trim(stringToTrim) {
	return stringToTrim.replace(/^\s+|\s+$/g,"");
}
function ltrim(stringToTrim) {
	return stringToTrim.replace(/^\s+/,"");
}
function rtrim(stringToTrim) {
	return stringToTrim.replace(/\s+$/,"");
}