function Verify() {
	var username = document.login.txtUsername.value
	var password = document.login.txtPassword.value
      var alertmessage = ""
	if(username == "") {
	   alertmessage = "Please enter a Username to proceed\r";
	} 
	if(password == "") {
 	   alertmessage += "Please enter a Password to proceed\r";
	}
      if(alertmessage == "") {
         return true;
      }
	else {
	   alert(alertmessage);
	   return false;
	}
}