function controllo() {
		
	 var nome=document.nlt.YMLP1.value;
	 var email=document.nlt.YMLP0.value;
     var mail_reg_exp = /^([a-zA-Z0-9_\.\-])+\@(([a-zA-Z0-9\-]{2,})+\.)+([a-zA-Z0-9]{2,})+$/;	 
		if(nome=="") {
			alert("Enter the name");
			return false;
		}
        else if (!mail_reg_exp.test(email) || (email == "") || (email == "undefined")) {
           alert("Please enter the e-mail correctly.");
			return false;
		}
 
        else {
           return true;
		   document.nlt.submit();
        }
     
  }