//@params
//obj -> submit button object
//return -> post form to contact_us_email.php
function CheckEmailForm(obj){
	
	
    var d      = document;
    var email  = d.getElementById('email').value;
    var v_mail = /^([0-9a-zA-Z]([-.\w]*[0-9a-zA-Z])*@([0-9a-zA-Z][-\w]*[0-9a-zA-Z]\.)+[a-zA-Z]{2,9})$/;


    if( !v_mail.test(email) ){
		alert("Email address is incorrect");
		return false;
	}
	document.getElementById('mail_form').submit();
}