// JavaScript Document


function controlla_form()
{
    
	minimo = document.getElementById('totale').value;
    valore = document.getElementById('offerta').value;
	info = document.getElementById('alert');


	if (parseInt(minimo) > parseInt(valore)) { 
		info.style.display ='block';
		document.forms['subscription'].submit.disabled=1;
		//return false;
	}
 	else {
		info.style.display ='none';
		document.forms['subscription'].submit.disabled=0;
		//return true;
	}
}