// JavaScript Document
function MM_openBrWindow(theURL,winName,features) { //v2.0
  window.open(theURL,winName,features);
}
function check(form) {


if (!validate(form.dal.value))
	{
		alert('Data inizio errata');
		return false
	}
if (!validate(form.al.value))
	{
		alert('Data fine errata');
		return false
	}
return true;
}
function validate(string) {
//    if (!string) return false;
    var Chars = "-0123456789";

    for (var i = 0; i < string.length; i++) {
       if (Chars.indexOf(string.charAt(i)) == -1)
          return false;
    }
    return true;
}