function emailpassword(form)
{
     var url='modules.php?mod=password&req=sendemail'+
               '&email='+form.email.value;

     //ret=serverFunction(url);
     if (validateForm(form))
	{
	displayText('maincontent',url);
	}
     return false;
} 

function validateForm(form)
{    
 
    var error_message = "The following required fields are missing:";
     var errors=0;
     if (isEmpty(form.email))
          {
          error_message = error_message + "\nEmail";
          errors=1;
          }    
     if (errors==0)
          return true;
     alert(error_message);
     return false;       
}

function isEmpty(aTextField) {
   if ((aTextField.value.length==0) ||
   (aTextField.value==null)) {
      return true;
   }
   else { return false; }
}