// JavaScript Document
function getPosLeft(obj){ 
	var l = obj.offsetLeft; 
	while(obj = obj.offsetParent){ 
		l += obj.offsetLeft; 
	} 
	return l; 
}
function getPosTop(obj){ 
	var T = obj.offsetTop; 
	while(obj = obj.offsetParent){ 
		T += obj.offsetTop; 
	} 
	return T; 
}
function getMousey(){
	y=event.y+document.body.scrollTop;
	return y;
}
function getMousex(){
	x=event.x+document.body.scrollleft;
	return x;
}