function getPosX(objId)
{
	obj = document.getElementById(objId).style;
	if (parseFloat(obj.left)!="NaN")
		return parseFloat(obj.left);
	else if (parseInt(obj.left)!="NaN")
		return parseInt(obj.left);
	else
		return false;
}

function getPosY(objId)
{
	obj = document.getElementById(objId).style;
	if (parseFloat(obj.top)!="NaN")
		return parseFloat(obj.top);
	else if (parseInt(obj.top)!="NaN")
		return parseInt(obj.top);
	else
		return false;
}

function $(objId)
{
	obj = document.getElementById(objId);
	return obj;
}

function hide(objId)
{
	obj = document.getElementById(objId).style;
	obj.filter = "alpha(opacity=0)";
	obj.opacity = "0";
}

function show(objId)
{
	obj = document.getElementById(objId).style;
	obj.filter = "alpha(opacity=100)";
	obj.opacity = "1";
}