// JavaScript Document
function emailSubmitIt(){
		 
	if (document.signup_form.email_sign_up.value=="" )
		{ 
		alert("Please enter an email address!");
		document.signup_form.email_sign_up.focus();
                    return false; 
         } 
	

	var x = document.signup_form.email_sign_up.value;
	var filter  = /^([a-zA-Z0-9_\.\-])+\@(([a-zA-Z0-9\-])+\.)+([a-zA-Z0-9]{2,4})+$/;
	if (!filter.test(x)){
		alert('Please enter a valid email address');
		document.signup_form.email_sign_up.focus();
		return false; 
	}
  	
	return true;
}   

function clickIt(){
	document.signup_form.email_sign_up.value = "";
	document.signup_form.email_sign_up.focus()
	return true;
}