var currentToolTipId = null;

function tooltipShow(event, tooltipId)
{
 	var toopTip = document.getElementById(tooltipId);
 	toopTip.style.display = "block";
}

function tooltipHide(event, tooltipId)
{
 	var toopTip = document.getElementById(tooltipId);
 	toopTip.style.display = "none";
}

function tooltipMove(event, tooltipId)
{
 
 	var toopTip = document.getElementById(tooltipId);
 	if (!event) event = window.event;
 	
 	var x, y;
 	
 	if (typeof(event.pageX) == "number" && typeof(event.pageY) == "number")
	{
		x = event.pageX;
		y = event.pageY;
	}
	else if (typeof(document.documentElement) == "object")
	{
		x = event.clientX + document.documentElement.scrollLeft;
		y = event.clientY + document.documentElement.scrollTop;
	}
	else
	{
		x = event.clientX + document.body.scrollLeft;
		y = event.clientY + document.body.scrollTop;
	}
 	
 	toopTip.style.left = (x + 25) + "px";
 	toopTip.style.top = (y + 10) + "px";

}