var mouseX = 0;
var mouseY = 0;

function mousemove(e)
{
	if (document.all)
	{ 
		mouseX = event.clientX + document.body.scrollLeft;
		mouseY = event.clientY + document.body.scrollTop;
	}
	else
	{
		mouseX = e.pageX;
		mouseY = e.pageY;
	}
	  
	if (mouseX < 0){mouseX = 0;}
	if (mouseY < 0){tempY = 0;}  

	return true;
}

if (!document.all)
	document.captureEvents(Event.MOUSEMOVE); //mozilla
	
window.onmousemove = document.onmousemove = mousemove; // IE/Opera