function openChatWindow(login,pre,url,cwidth,cheight)
{
 nick = document.form1.nick.value;
 pass = "";
 if(pre == "true")
  pass = document.form1.pass.value;
 if(pass != "")
  url = url+"?login="+login+"&nick="+nick+"&pass="+pass;
 else
  url = url+"?login="+login+"&nick="+nick;
 var dFeature="toolbar=no , directories=no, location =no,status=no,scrollbars =no, menubar=no,  resizable=no, copyhistory=yes, width="+cwidth+", height="+cheight+", target=_blank"; 
   window.open(url,null,dFeature);
 
 return false;
}

function openRegWindow(login,pre,url,cwidth,cheight)
{
 if(pre == "true")
 {
  url = url+"?login="+login;
  var dFeature="toolbar=no , directories=no, location =no,status=no,scrollbars =no, menubar=no,  resizable=no, copyhistory=yes, width="+cwidth+", height="+cheight+", target=_blank";
    window.open(url,null,dFeature);
 }
 return false;
}