function closeWindow(url)
{
	window.opener.document.location.href=url;
	top.close();
}
function openWindow(url,width,height)
{
	  window.open(url,'_blank','toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=yes,resizable=no,copyhistory=no,width=' + width + ',height=' + height);
}
function showPicture(url,width,height)
{
	  window.open(url,'_blank','toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=no,resizable=no,copyhistory=no,width=' + width + ',height=' + height);
}
function closeSelf()
{
	top.close();
}