var DocumentDOM = {};

DocumentDOM.GetCoordinates = function(Element){
	var X, Y, Parent;
	X = Element.offsetLeft;
	Y = Element.offsetTop;
	Parent = Element;
	while(Parent = Parent.offsetParent){
		if(Parent == null){
			break;
		}
		X += Parent.offsetLeft;
		Y += Parent.offsetTop;
	}
	return new Array(X, Y);
}

DocumentDOM.SetOpacity = function(obj, opacity){
	if(document.all){
		obj.style.filter = "progid:DXImageTransform.Microsoft.Alpha(opacity=" + opacity + ");";
	}else{
		obj.style.opacity = opacity / 100;
	}
}