//controllo login
function noapice(evt) {
    evt = (evt) ? evt : event;
    var charCode = (evt.charCode) ? evt.charCode : ((evt.keyCode) ? evt.keyCode : 
        ((evt.which) ? evt.which : 0));
    if (charCode ==39 || charCode==34 || charCode==37 || charCode==92 || charCode==42 || charCode==43) {
        alert("Tasto disabilitato");
        return false;
    }
    return true;
}
//Controllo campi obbligatori
function checkrequired(which){
	var pass=true
	if (document.images){
		for (i=0;i<which.length;i++){
		var tempobj=which.elements[i]
		if (tempobj.name.substring(0,1)=="_"){
			if ((tempobj.type=="password"&&tempobj.value=='')||(tempobj.type.toString().charAt(0)=="s"&&tempobj.selectedIndex==-1)){
			pass=false
			break
			}
		}
	}
}
if (!pass){
alert("compila i campi obbligatori")
return false
}
else
return true
}