var div_on=0, div_num=0;
var thisAgent=navigator.userAgent.toLowerCase();
var ie = (thisAgent.indexOf("msie") != -1 ) ;

if (!ie) document.captureEvents(Event.MOUSEMOVE)
setDivPos;
document.onmousemove = setDivPos;

function setDivPos(e) {

	if(div_on){
		if ( ie ) {
		     document.getElementById('div'+div_num).style.left = 200 + document.documentElement.scrollLeft + 'px'; 
		     document.getElementById('div'+div_num).style.top  = -10 + document.documentElement.scrollTop  + 'px';
	    } else {
		    document.getElementById('div'+div_num).style.left  = 400 + 'px'; 
		    document.getElementById('div'+div_num).style.top  = 160  + 'px';
		    document.getElementById('div'+div_num).style.position = "fixed";
	    }
	}
}
function hide_div(num)
{
	div_num = num;
	div_on  = 0;
	document.getElementById('div'+div_num).style.visibility = "hidden";
}

function show_div(num)
{
	div_num = num;
	if (document.getElementById('div'+div_num).innerHTML=='') {return}
	
	div_on = 1;
	setDivPos;
	document.getElementById('div'+div_num).style.visibility = "visible";

}