/* Tooltips */

wmtt = null;

document.onmousemove = updateWMTT;

function showTooltip(tooltipWindow){
if(document.getElementById(tooltipWindow) != null){
 wmtt = document.getElementById(tooltipWindow);
 wmtt.style.display = "block"
}
}

function hideTooltip() {
if(wmtt != null){
 wmtt.style.display = "none";
 wmtt = null;
}
}

function updateWMTT(e) {
e = e || window.event;
if (e.pageX || e.pageY) {
	x = e.pageX;
	y = e.pageY;
} 
else {
	var de = document.documentElement;
	var b = document.body;
	x = e.clientX + (de.scrollLeft || b.scrollLeft) - (de.clientLeft || 0);
	y = e.clientY + (de.scrollTop || b.scrollTop) - (de.clientTop || 0);
}

if (wmtt != null) {
	wmtt.style.left = (x + 20) + "px";
	wmtt.style.top 	= (y + 20) + "px";
}
}