var browser;

var popOpen = false;

if (document.layers ) {
	browser='NN4';
    window.captureEvents(Event.MOUSEMOVE);
    window.onmousemove=move;
}
else if (document.all )
{
   browser='IE';
   document.onmousemove=move;
}
else if ( document.getElementById )
{
	browser='Mozilla';
    document.onmousemove=move;
}

var mouseX;
var mouseY;
function move(e) {
    if (browser=='IE')
 	{
        mouseX=window.event.clientX;
		mouseY=window.event.clientY;
	}
	else if ( browser=='Mozilla' || broswer=='NN4' )
	{
		  mouseX=e.pageX; 
		  mouseY=e.pageY;
	}
}

function showPopUp(myEvent)
{
	
	
	if ( !popOpen )
	{
		var popUp;
		if ( browser=='IE' || browser=='Mozilla' )
		{

			popup = document.getElementById( myEvent.id + '-Pop').style;
		}
		else//old netscape
		{
			popup = document.layers[myEvent.id + 'Pop'];
		}
		
		popup.top=mouseY+'px';	
		popup.left=mouseX+'px';
		popup.visibility='visible';
		popOpen = true; 
	}
	
}

function hidePopUp( popupName )
{
	var popUp;
	if ( browser=='IE' || browser=='Mozilla' )
	{
		popup = document.getElementById( popupName ).style;
	}
	else//old netscape
	{
		popup = document.layers[popupName];
	}
	popup.visibility='hidden';
	popOpen = false;
}