function highLightNav(nav2id, nav3id, nav4id) {
        var li = document.getElementsByTagName('li');
        for (var i = 0; i < li.length; i++) {
           if ( (li[i].id == nav2id) && (nav2id != '' && nav3id == null && nav4id == null) ) {
                   li[i].className = "nav2Selected";
           } else if ( (li[i].id == nav2id) && (nav2id != '' && (nav3id != '' || nav4id != '' )) ) {
                   li[i].className = "nav2Active";
           } else if ( (li[i].id == nav3id) && (nav3id != '' && nav4id == null) ) {
                   li[i].className = "nav3Selected";
           } else if ( (li[i].id == nav3id) && (nav2id != '' && nav3id != '' && nav4id != '') ) {
                 li[i].className = "nav3Active";
           } else if ( (li[i].id == nav4id) && (nav2id != '' & nav4id != '') ) {
                   li[i].className = "nav4Selected";
           }
        }
} 

		function addbookmark()
		{
			if ((navigator.appName == "Microsoft Internet Explorer") && (parseInt(navigator.appVersion) >= 4))
			{
                         // 2007-08-14: rer replaced with code below as per doug's request
			 //bookmarkurl="http://www.nyp.org"
                         bookmarkurl=window.location.href;
			 bookmarktitle="New York Presbyterian Hospital - Clinical Services"
	 		 if (document.all)
	  			window.external.AddFavorite(bookmarkurl,bookmarktitle)
			}
			else
			{
  	 		alert("Please bookmark this page by pressing Ctrl+D on your keyboard")
			}
 
		}
 
		function popupEmailWindow(pagename, pageurl, sitename)
		{
 
    			top.thisWin= window.open("http://app1.nyp.org/EmailPage/email_this_page.jsp?siteName=" + escape(sitename) + "&pageDisplayName=" + pagename + "&pageURL=" + escape(pageurl),"thisPage","status=no,scrollbars=0,resizable=0,menubar=0,toolbar=0,width=265,height=295");
    			if(!top.thisWin.closed) top.thisWin.focus();
 
		}
 
		function doCreateNewWindow (inUrl,inWidth,inHeight,inScroll) {
 
			var winl=(screen.availWidth-inWidth)/2;
			var wint=(screen.availHeight-inHeight)/2-40;
	
			window.open(inUrl,'cme_demo','plainWindow,width=' + inWidth +',height=' + inHeight + ',top='+wint+',left='+winl+',screenX='+wint+',screenY='+winl+',scrollbars='+inScroll);
		}