function checkIt(string) {
	var detect = navigator.userAgent.toLowerCase();
	var OS,browser,version,total,thestring;
	place = detect.indexOf(string) + 1;
	thestring = string;
	return place;
}

function showtip(x,myEvent,descText) {
	var d = document.getElementById('floatBox');
	
	if(checkIt('mac') == 0) {
	
		if (d) {
			d.style.top = eval(myEvent.clientY-110 + document.documentElement.scrollTop + document.body.scrollTop)+'px';
      d.style.left = eval(myEvent.clientX - 25)+'px';
      
			document.getElementById('float-descText').innerHTML=descText;
			d.style.display='block';
		}
	
	}
}

function hidetip() {
	var d = document.getElementById('floatBox');
	if (d) {
		d.style.display='none';
		document.getElementById('float-descText').innerHTML='';
	}
}