// Define popup window functions

// popup(...) opens a secondary window of specified width and height
function popup(fname,wname,wwidth,wheight) {
	var newwin = window.open("",wname,"toolbar=no,directories=no,menubar=yes,scrollbars=yes,width=" + wwidth + ",height=" + wheight + ",left=10,top=10,resizable=yes");
	newwin.location = fname;
	newwin.focus();
	return;
} // end popup(...)

// popup_nav(...) opens a secondary window of specified width and height
function popup_nav(fname,wname,wwidth,wheight) {
	var newwin = window.open("",wname,"toolbar=yes,directories=no,menubar=no,scrollbars=yes,width=" + wwidth + ",height=" + wheight + ",left=10,top=10,resizable=yes");
	newwin.location = fname;
	newwin.focus();
	return;
} // end popup_nav(...)