// validateform.js
function validate(loginForm)
{
 var booValid = true;
 var strErrorMessage = "";
 if(loginForm.emailid.value == "")
 {
  strErrorMessage += "email field cannot be empty\n";
  booValid=false;
 }
 
 if(loginForm.emailid.value.indexOf("@") == -1)
 {
  strErrorMessage += "email field must be based on an email address\n";
  booValid=false;
 }
 
 if(!booValid)
 {
  alert(strErrorMessage);
 }
 return booValid;
}