var ie = (document.all) ? true:false;
var dom = ((document.getElementById) && (!ie)) ? true:false;
var url = window.location.href;
var pageName = document.title; 
	function bookmark() { 
	if (ie) 
	window.external.AddFavorite(url, pageName) 
	else if(dom)  
	window.sidebar.addPanel(pageName, url,""); 
	else {
		alert("Your browser does not support this function. Please manually bookmark this page."); 
		return true;
	}
}