function popit(url,type) {
	
if(type!='user'){
	var nick=document.getElementById("nickname2").value;
	
	url=url+"?u=" + nick + "&init_room=" + room_id;
}else{

	var nick=document.getElementById("nickname1").value;
	var pass=document.getElementById("pwd").value;
	url=url+"?u=" + nick + "&p=" + pass + "&init_room=" + room_id;
}

	h=screen.availHeight -50;
	w=screen.availWidth - 10;
	newwindow=window.open(url,'name','width='+w+',height=' + h );
	if (window.focus) {newwindow.focus()}
	return false;

}