<!--

function popup(url,winwidth,winheight)
{
description=window.open(url,'descr','toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbar=yes,scrollbars=yes,resizable=no,copyhistory=no,width='+winwidth+',height='+winheight)
description.focus()
}

function popupheise(url)
{
description=window.open(url,'descr','toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbar=yes,scrollbars=yes,resizable=no,copyhistory=no,width=390,height=400')
description.focus()
}

function popupcenter(url,winwidth,winheight)
{
var l = (screen.availWidth - winwidth) / 2;
var t = (screen.availHeight - winheight) / 2;
description=window.open(url,'descr','toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbar=yes,scrollbars=yes,resizable=no,copyhistory=no,width='+winwidth+',height='+winheight+',left='+l+',top='+t);
description.focus();
}

// -->