function send()
{
   if (document.UserInfo.NICKNAME.value == null ||
	document.UserInfo.NICKNAME.value == "")
   {
        window.alert("You must enter your nick name.")
        return false
   }
 var USERNICK = document.UserInfo.NICKNAME.value
 window.open("http://www.webportal.com.my/chat/popupchat.asp?NICKNAME="+ USERNICK + "","ChatWindow","height=320,width=500,scrollbars=no,titlebar=no")
 return true
}