var tt;

function open_select() {
tt=clearTimeout(tt);
document.getElementById('mysel').style.visibility="visible";
}

function close_select(val) {
if (val=='closet') document.getElementById('mysel').style.visibility='hidden';
else tt=setTimeout("document.getElementById('mysel').style.visibility='hidden';",777);
}

function cng() {
if (document.getElementById('mysel').style.visibility=='hidden') document.getElementById('mysel').style.visibility='visible';
else document.getElementById('mysel').style.visibility='hidden';
}

function change(txt,id) {
document.getElementById('mydiv').innerHTML=txt;
document.getElementById('myhidden').value=id;
close_select('closet');
}