// prepare the form when the DOM is ready 
$(document).ready(function() { 
	
   var options0 = { 
      beforeSubmit: gm_formvalidate0,  
      success:      gm_showResponse
   };
   $('#contactUs').ajaxForm(options0);
}); 

// pre-submit callback 
function gm_formvalidate0(formData, jqForm) {
   var error = false;
   var error_message = '';
   
   var ffirst_name = $("#first_name").fieldValue();
   if (!validateRequired(ffirst_name,"")) { 
      $("#first_name").addClass("gm_err_field"); 
      if (error == false) { $("#first_name").focus(); error = true; }
      error_message = error_message + "First Name: field must be filled out. \n\n";
   } else { $("#first_name").removeClass("gm_err_field"); }
   var flast_name = $("#last_name").fieldValue();
   if (!validateRequired(flast_name,"")) { 
      $("#last_name").addClass("gm_err_field"); 
      if (error == false) { $("#last_name").focus(); error = true; }
      error_message = error_message + "Last Name: field must be filled out. \n\n";
   } else { $("#last_name").removeClass("gm_err_field"); }
   var femail = $("#email").fieldValue();
   if (!validateRequired(femail,"")) { 
      $("#email").addClass("gm_err_field"); 
      if (error == false) { $("#email").focus(); error = true; }
      error_message = error_message + "Email Address: field must be filled out. \n\n";
   } else { $("#email").removeClass("gm_err_field"); }
   var fphone = $("#phone").fieldValue();
   if (!validateRequired(fphone,"")) { 
      $("#phone").addClass("gm_err_field"); 
      if (error == false) { $("#phone").focus(); error = true; }
      error_message = error_message + "Phone Number: field must be filled out. \n\n";
   } else { $("#phone").removeClass("gm_err_field"); }

	if($("#contactUs_captcha").fieldValue().length > 0) {
		var captcha_result = 0;
		var captcha_result = check_gm_captcha("contactUs");
		if(captcha_result == "0" || captcha_result == 0 ) {
			$("#contactUs_captcha").addClass("gm_err_field"); 
	      	if (error == false) { $("#contactUs_captcha").focus(); error = true; }
			error_message = error_message + "Invalid Captcha.\n\n"; 
		} else { $("#contactUs_captcha").removeClass("gm_err_field"); }
	}

	if (error == true) { alert(error_message); return false; } else { return true; }

} 
// post-submit callback 
function gm_showResponse(responseText, statusText)  { eval(responseText); } 


/* VALIDATION FUNCTIONS */
function validateRequired(fieldValue,ignoreValue) { if (fieldValue == "" || fieldValue == ignoreValue ) { return false; } else { return true; }}
		
function validateEmail(fieldValue, fieldObj) {
	if (fieldValue == "") return true;
	return /\w{1,}[@][\w\-]{1,}([.]([\w\-]{1,})){1,3}$/.test(fieldValue);
}
function validateNumber(fieldValue, fieldObj) {
	if (fieldValue == "") return true;
	/*
	return (parseFloat(val,10)==(fieldValue*1));
	return (!isNaN(fieldValue) && !/^\s+$/.test(fieldValue));
	*/
	return /^-?(?:\d+|\d{1,3}(?:,\d{3})+)(?:\.\d+)?$/.test(fieldValue);
}	
function validateDigit(fieldValue, fieldObj) {
	if (fieldValue == "") return true;
	return !/[^\d]/.test(fieldValue);
}	
function validateAlphanum(fieldValue, fieldObj) {
	if (fieldValue == "") return true;
	return !/\W/.test(fieldValue);
}

$().ajaxSend($.blockUI).ajaxStop($.unblockUI);