function doSubmit(btn) 
{
	if (isEmail()) {
	    var submitMessage = "Please Wait ...";
		btn.innerHTML = submitMessage;
        btn.disabled = true;
        requestSubmitted = true;
        setTimeout("document.loginForm.submit()", 250);
	}		
	else {
		 return false; 
	}		 
}


function isEmail()  {

	var field = document.loginForm.email;
	
	if (field.value == "") {
		alert("Please enter your email address in the field provided.\n");
		field.select();
		field.focus();
		return false;
		}

	if (field.value.indexOf('@',0) == -1 || field.value.indexOf('.',0) == -1)  {
		alert("The email address requires a \"@\" and a \".\" be used.\n\nPlease re-enter the email address in the field provided.");
		field.select();
		field.focus();
		return false;
	}
	
	return true;
}