var mouseX, mouseY;
var divElement;

function MDown(obj)
{
	var e=window.event;

	divElement=obj;
	mouseX=e.screenX;
	mouseY=e.screenY;
}

function MMove()
{
	if (divElement!=null )
	{
		var e=window.event;
		divElement.style.pixelLeft=divElement.style.pixelLeft+(e.screenX-mouseX);
		divElement.style.pixelTop=divElement.style.pixelTop+(e.screenY-mouseY);
		mouseX=e.screenX;
		mouseY=e.screenY;
		e.returnValue=false;
	}
}

function MUp()
{
	divElement=null;
}