function controlla_campi_login(){
        if(document.login.user.value == ''){
                alert('Inserire USER');
        }
        else if(document.login.pass.value == ''){
                alert('Inserire PASSWORD');
        }
        else{
                document.login.submit();
        }
};
function win(str) {
	searchWin = window.open(str,'view','scrollbars=yes,resizable=yes,width=640,height=500,status=no,location=no,toolbar=no,top=50,left=50');
	// searchWin.refer = self;
}