// JavaScript Document

var SubmitOption = { 
   dataType : 'json', success:  callBackCheck
};

function ctrLogin(){
	
	if ((document.loginForm.user_name.value != "") && (document.loginForm.password.value != "")){
		
		$.blockUI();
		$('#loginForm').ajaxForm(SubmitOption);
		$('#loginForm').submit();
		
	}else alert ("Inserire i dati di accesso");
	
}

function callBackCheck (responseText, statusText){

	$.unblockUI();
	if (responseText.result=="true") location.href="download.php";
	else alert (responseText.msg);

}