var mouseX_Curr = 0;
var mouseY_Curr = 0;

document.onmousemove = LogMousePos;

function LoadMouseListener()
{
	document.onmouseup = function() { MouseUp(this);return true; }
}

function LogMousePos(e)
{
	e = e || window.event;
	if(e != null)
	{
		// Main function to retrieve mouse x-y pos.s
		if (IE){ // grab the x-y pos.s if browser is IE
		mouseX_Curr = event.clientX + document.body.scrollLeft - 2;
		mouseY_Curr = event.clientY + document.body.scrollTop - 2;
		} else {  // grab the x-y pos.s if browser is NS
		mouseX_Curr = e.pageX
		mouseY_Curr = e.pageY
		}  
		// catch possible negative values in NS4
		if (mouseX_Curr < 0){mouseX_Curr = 0}
		if (mouseY_Curr < 0){mouseY_Curr = 0}
	}
}

function MouseUp()
{
}