// JavaScript Document
// Scripts for window management in Science Bulletins activities

function openGuide() {
	 popup("/edguide/sb_ed_home.html",660,600);
}

function openActivity(url) {
	rwin = open(url,"activity","width=660,height=540,menubar=no,scrollbars=yes,toolbar=no,status=yes,location=no,directories=no,hotkeys=no,resizable=yes");
	rwin.focus();
	}

function popup(url,w,h) {
	gwin = open(url,"guide","width="+w+",height="+h+",directories=no,location=no,scrollbars=yes,menubar=no,toolbar=no");
	gwin.focus();
	}

function openInOpener(url,defname) {
	// open url in the page's opener, if it exists and is open
	//  otherwise open in a new window named defname
	if (self.opener==null) {
		self.open(url,defname);
	} else if (self.opener.closed) {
		self.open(url,defname);
	} else {
		self.opener.location.href=url;
		self.opener.focus();
	}
}