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) {
		   var intX = 0;
	      var intY = 0;
	      var strN = navigator.userAgent.toLowerCase();
	      
	      if ( strN.indexOf("firefox") != -1 ) {
	         intX = 15;
	         intY = 35;
	      }
	      else if ( strN.indexOf("msie 7") != -1 ) {
	         intX = 15;
	         intY = 40;
	      }
	      else {
	         intX = 15;
	         intY = 15;
	      }
	   
			d.style.top = eval(myEvent.clientY-intY + document.documentElement.scrollTop + document.body.scrollTop)+'px';
         d.style.left = eval(myEvent.clientX - intX)+'px';
         
			document.getElementById('float-descText').innerHTML = Base64.decode(descText);
			d.style.display='block';
		}
	
	}
}

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