function calendarpop(linkhref,winid,themonth,theyear)
{
if (! window.focus)return true;
var href;
var varmonth;
var varyear;
if (typeof(linkhref) == 'string')	{
   href=linkhref;
}
else	{
   varmonth = document.getElementById(themonth).value;
   varyear = document.getElementById(theyear).value;
   linkhref=linkhref + "&Month=" + varmonth + "&Year=" + varyear;
   href=linkhref;
}
window.open(href, winid, 'toolbar=0,scrollbars=0,location=0,statusbar=0,menubar=0,resizable=0,width=220,height=210');
return false;
}