if (document.getElementById) document.onmousemove=getMouseCoordonates;
var myX, myY;
var visibleDiv = 'none';
function getMouseCoordonates(e) {
	if (document.all) {
		myX = event.clientX;
		myY = event.clientY + 20 + document.body.scrollTop;;
	} else {
		myX = e.pageX;
		myY = e.pageY+20;
	}
    

    /*
     * Bubbles should not appear beyond window width of 700px
     *          --- Antony Ramarokoto.
     */
    
    if (myX > 500) myX = 500;			
}		
function show(id) {
    document.getElementById(id).style.left = myX+"px";
    document.getElementById(id).style.top = myY+"px";
    document.getElementById(id).style.visibility='visible';				
    //visibleDiv = id;
}
function hide(id) { 
	document.getElementById(id).style.visibility='hidden';
}
function hideall() {
	if(document.getElementById(visibleDiv)) {
		document.getElementById(visibleDiv).style.visibility='hidden';
	}
}