function PopAgim(){  

    if(document.forms['FrmLogin'].username.value == '' || document.forms['FrmLogin'].pwd.value == ''){
        alert("Attenzione!\nInserire username e password.");
        return false;
    }else{
    	popup = window.open("http://www.agimonline.com/utenti_new/ingresso.php", "popAgim","height=680,width=1000,scrollbars=no,status=yes,toolbar=no,resizable=yes");
    	document.forms['FrmLogin'].target="popAgim";
    	document.forms['FrmLogin'].action="http://www.agimonline.com/utenti_new/login_auth.php";
    	document.forms['FrmLogin'].submit();
    	document.forms['FrmLogin'].username.value = '';
    	document.forms['FrmLogin'].pwd.value = '';
    	return false;
    }
    
}