function state ( id )

{

        if ( id != 50 )

        {

                eval("document.getElementById('userState').disabled=true;");

        }

        else

        {

                eval("document.getElementById('userState').disabled=false;");

        }

}



function check_option ( id )

{

        if ( id == 1 )

        {

                eval("document.getElementById('type_2').style.display='none';");

                eval("document.getElementById('type_1').style.display='';");

        }

        if ( id == 2 )

        {

                eval("document.getElementById('type_1').style.display='none';");

                eval("document.getElementById('type_2').style.display='';");

        }

}