// JavaScript Document

function callresource(whereto,width,height,name)
{
	if (! width) {width = 350};
	if (! height) {height = 200};
	var left = Math.ceil((screen.width/2) - (width/2));
	var top = Math.ceil((screen.height/2) - (height/2));
	
	var chrome = "channelmode=no, directories=no, fullscreen=no, location=no, menubar=no, resizable=no, scrollbars=no, status=no, titlebar=no, toolbar=no";
	var winprop = "width=" + width + ",height=" + height + ",top=" + top + ",left=" + left + ", " + chrome;
	var reswin = window.open(whereto, name, winprop);
}

function launchExtraHelp(grade, chapter, lesson, title, tm)
{
	var w = 675;
	var h = 520;
	whereto = '/cgi-bin/schtemplate.cgi?template=/math/mw/models/tm_popup.thtml&grade=' + grade + '&chapter=' + chapter + '&lesson=' + lesson + '&title=' + title + '&tm=' + tm;
	callresource(whereto,w,h,"extrahelp");
}