function bookmark(){ 
var aUrls=document.URL.split("/"); 
var vDomainName="http://"+aUrls[2]+"/"; 
var description=document.title; 
try{//IE 
window.external.AddFavorite(vDomainName,description); 
}catch(e){//FF 
window.sidebar.addPanel(description,vDomainName,""); 
} 
} 

function getRand()
{
	var fnum = Math.random()*10000;
	var rand = Math.round(fnum);
	return rand;
}

function openWindow(Url,Width,Height)
{
	try{
	var rand = getRand();
	Url += '&rand='+rand;
	var show = showModalDialog(Url,'','dialogWidth:'+Width+'px;dialogHeight:'+Height+'px;help:no;status:no;scroll:no;');
	//window.returnValue = true;parent.mainFrame.location=self_url;
	}catch(e){
			alert(e);	
		}
}