var wref = null;

function opendescwin(url, windowname) {
	if (wref == null || wref.closed) {
		wref = window.open(url, windowname,"toolbar=no, titlebar=no directories=no, location=no, status=yes, menubar=no, resizable=yes, scrollbars=yes, width=520, height=600");
	} else {
		wref.focus();
	}
}

function getback(url, gallerywinname) {
	//
	// get back to the parent window if it got us here/is still open, 
	// or open the supplied doc if not
	//
	if (! window.opener || window.opener.closed || window.opener.window.name != gallerywinname) {
		window.open(url, gallerywinname,"toolbar=yes, titlebar=yes, directories=yes, location=yes, status=yes, menubar=yes, resizable=yes, scrollbars=yes");
		window.close();
	} else {
	  window.opener.focus();	  
	}
}