function toggle_visibility(id)
{
var nCount=1;
var e = document.getElementById(id);
var strDocID = "toggle" + nCount;
    while(document.getElementById(strDocID))
    {
        if (strDocID != id)
            document.getElementById("toggle" + nCount).style.display="none";
        nCount++;
        strDocID = "toggle" + nCount;
    }
    if(e.style.display == 'block')
        e.style.display = 'none';
    else
        e.style.display = 'block';
}
document.write("<link type='text/css' href='/zesources/inc/toggle.css' media='screen' rel='stylesheet' />");
//document.write("<link type="text/css" href="inc/toggle.css" media="screen" rel="stylesheet" />");