var IEstring = "<a href=\"javascript:void(0);\" onclick=\"javascript:window.external.addfavorite(location.href,document.title);\">" + addtofav + "</a>" ;
var NSstring = "<a href=\"javascript:void(0);\" onclick=\"javascript:window.sidebar.addPanel(document.title,location.href,'');\">" + addtofav + "</a>" ;
var Chstring = addtofav + " [Ctrl+D]" ;
var OPstring = addtofav + " [Ctrl+T]";
var OTHstring = "<i>" + addtofav + "</i>"
var whichString = OTHstring ;
var agt = navigator.userAgent.toLowerCase();
var app = navigator.appName.toLowerCase();
var ieAgent = agt.indexOf('msie');
var nsAgent = app.indexOf('netscape');
var opAgent = app.indexOf('opera');
var Chrome = agt.indexOf('chrome');
if (ieAgent!= -1) {
	whichString = IEstring;
} else if (Chrome!= -1){
	whichString = Chstring;
} else if (nsAgent!= -1){
	whichString = NSstring;
} else if (opAgent!= -1){
	whichString = OPstring;
}
document.write(whichString) ;