ie4 = ((navigator.appName == "Microsoft Internet Explorer") && (parseInt(navigator.appVersion) >= 4 ))

function expandText(which, start, finish, step, speed){       
	if (ie4){
 		if (start < finish){      	   
				document.all(which).style.letterSpacing = start+"px";  
				start=start+step; 
				setTimeout("expandText('"+which+"',"+start+","+finish+","+step+","+speed+")",speed);
		}	       
	}
}