function chView(id)
{
var t0=document.getElementById('ctl'+id);
var t1=document.getElementById('tab'+id);

if (t0.innerHTML=='+') {
    t0.innerHTML='--';
    t1.style.display='block';
    t1.style.visibility='visible';
    }
else {
    t0.innerHTML='+';
    t1.style.display='none';
    t1.style.visibility='hidden';
    }
}

function act(Action, Id)
{
document.main.action.value=Action;
document.main.id.value=Id;
document.main.submit();
}

function chname2()
{
var t0=document.main.prodgrp;
var t1=document.main.id;
var i;

for (i=0; i<t0.options.length; i++) if (t0.options[i].selected) {
    t1.value=t0.options[i].value;
    document.main.action.value='chname2';
    document.main.submit();
    }
}

function chgrp()
{
var t0=document.main.prodvid;
var t1=document.main.id;
var i;

for (i=0; i<t0.options.length; i++) if (t0.options[i].selected) {
    t1.value=t0.options[i].value;
    t1=document.main.action;
    t1.value="chgrp";
    t1=document.main;
    t1.submit();
    }
}

function chtvr()
{
var t0=document.main.prodname;
var t1=document.main.id;
var i;

for (i=0; i<t0.options.length; i++) if (t0.options[i].selected) {
    t1.value=t0.options[i].value;
    document.main.action.value="chtvr";
    document.main.submit();
    }
}

function chtvrgrp()
{
var t0=document.main.prodname;
var t1=document.main.id;
var i;

for (i=0; i<t0.options.length; i++) if (t0.options[i].selected) {
    t1.value=t0.options[i].value;
    t0=document.main.prodvid;
    t1=document.main.id2;
    for (i=0; i<t0.options.length; i++) if (t0.options[i].selected) t1.value=t0.options[i].value;
    document.main.action.value="chtvrgrp";
    document.main.submit();
    }
}

function chname3()
{
var t0=document.getElementByName('document.main.prodgrp');
var t1=document.getElementByName('document.main.id');
var i;

for (i=0; i<t0.options.length; i++) if (t0.options[i].selected) {
    t1.value=t0.options[i].value;
    t1=document.getElementByName('document.main');
    t1.submit();
    }
}

function chBg(Obj, Img)
{
Obj.style.background='url("/sys/'+Img+'.gif")';
}