//function to submit a form . 
   function doSubmit(sAction)
   {
		var oAction = document.getElementById('action')
		
		oAction.value=sAction
		
		document.forms[0].submit()
		
   }
   
   //function gets called by a form and validates an email address
   //If email is valid then submits the form
    function doValidate(sAction)
   {
		var sEmail   = document.forms[0].elements['email'].value;
		
		if ( (bIsEmail(sEmail) == true) &&  sEmail != '')
		{doSubmit(sAction)}
		else
		{alert("Email NOT valid!\nPlease enter a valid email.")}
   }