var submitted = false;

function verifysubmit(x) {
  if (submitted) {
    return false;
	}
  submitted = true;
  return true;

}

function doCheck() {
	
	  var form = document.contact;

	  if (form.fname.value == '') {
		  alert('Please enter your first name');
	          form.fname.focus();
		  return false;
	  }
	  if (form.lname.value == '') {
		  alert('Please enter your last name');
	          form.lname.focus();
		  return false;
	  }
	  if (form.address1.value == '') {
		  alert('Please enter your address');
	          form.address1.focus();
		  return false;
	  }
	  if (form.city.value == '') {
		  alert('Please enter your city');
	          form.city.focus();
		  return false;
	  }
	  if (form.state.value == '') {
		  alert('Please enter your state');
	          form.state.focus();
		  return false;
	  }
	  if (form.zip.value == '') {
		  alert('Please enter your postal code');
	          form.zip.focus();
		  return false;
	  }
	  if (form.phone.value == '') {
		  alert('Phone number is a requied field');
	          form.phone.focus();
		  return false;
	  }
	  if (form.email.value == '') {
		  alert('Email address is a required field');
	          form.email.focus();
		  return false;
	  }

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