function Obj_rectangle(Obj)
{
	this.ObjLeft = findOffset(Obj, "offsetLeft");
	this.ObjWidth = Obj.offsetWidth;
	this.ObjRight = this.ObjLeft + this.ObjWidth;
	this.ObjTop = findOffset(Obj, "offsetTop");
	this.ObjHeight = Obj.offsetHeight;
	this.ObjBottom = this.ObjTop + this.ObjHeight;
	
	function findOffset(Obj, offset)
	{
		var NumValue = 0;
		
		var startOffsetDom = Obj;

		while (startOffsetDom.offsetParent)
		{
			//curleft += obje.offsetLeft
			//curtop += obje.offsetTop
			//obje = obje.offsetParent;
			NumValue = NumValue + startOffsetDom[offset];
			startOffsetDom = startOffsetDom.offsetParent;
		}
		return NumValue;
	}
}