function swapdiv(targetId){
  
  if (document.getElementById)
        {
        target = document.getElementById(targetId);
        //buttonName = document.getElementById(buttonId);
        
            if (target.style.display == "none")
                {
                target.style.display = "";
				/*buttonName.innerHTML = "(-)";*/
                } 
            
            else 
                {
                target.style.display = "none";
				/*buttonName.innerHTML = "(+)";*/
                }
                
            if (target.style.display == "none")
                {
                //buttonName.src = "/img/pulricerca_menusx.gif";
                }
            else 
                {
                //buttonName.src = "/img/pulricerca_menusx.gif";
                }
        }
}

function printit()
{
  var NS = (navigator.appName == "Netscape");

  if (NS) {  window.print(); }
  else
  {
  var WebBrowser = '<OBJECT ID="WebBrowser1" WIDTH=0 HEIGHT=0 CLASSID="CLSID:8856F961-340A-11D0-A96B-00C04FD705A2"></OBJECT>';
  document.body.insertAdjacentHTML('beforeEnd', WebBrowser);
  WebBrowser1.ExecWB(6, 2);
  WebBrowser1.outerHTML = "";
  }
}


function openWindow(url){
	awin = window.open(url,"open","width=440,height=440,toolbar=no,resizable=yes,scrollbars=yes");
}

function open_window(url,id){
	awin = window.open(url,id,"width=640,height=600,toolbar=no,resizable=yes,scrollbars=yes");
}
function open_window_popup(url,id,width){
	awin = window.open(url,id,"width="+width+",height=600,toolbar=no,resizable=yes,scrollbars=yes");
}

function check_email(email) {
    var filter  = /^([a-zA-Z0-9_\.\-])+\@(([a-zA-Z0-9\-])+\.)+([a-zA-Z0-9]{2,4})+$/;
	if (filter.test(email)) {
        return true;
    } else {
        return false;
    }
}

function show_check_mail(email) {
   if (!check_email(email)) {
      alert('Indirizzo email non corretto');
	  return false;
   }
}