function cek(){
	var lname=document.getElementById('contact_name_last').value;
	var fname=document.getElementById('contact_name_first').value;
	var email=document.getElementById('contact_email').value;
	var phone=document.getElementById('contact_phone').value;
	var resume=document.getElementById('resume').value;
	var hear=document.getElementById('hear_how').value;
	var gmat=document.getElementByName('gmat_again').value;
	var rnd=document.getElementById('rnd').value;

	if(lname=='' || fname=='' || email=='' || phone=='' || resume=='' || hear=='' || gmat=='' || rnd==''){
		alert("Please complete the required fields");
		return false;
	}else{
		return true;
	}	
}