function getCookie(name) {
	var cname=name + "=";
	var dc=document.cookie;
	if (dc.length>0) {
		begin=dc.indexOf(cname);
		if (begin != -1) {
			begin +=cname.length;
			end = dc.indexOf(";",begin);
			if (end==-1) end = dc.length;
			return unescape(dc.substring(begin, end));
		}
	}
	return null;
}
	
// pre-cache 'filename' button state images
if (document.images) {
//SECTION 3
	var home_nav_off = new Image(36,19);
	home_nav_off.src = "/images/nav/home_off.gif";
	var home_nav_on = new Image(36,19);
	home_nav_on.src = "/images/nav/home_on.gif";
	var about_nav_off = new Image(38,19);
	about_nav_off.src = "/images/nav/about_off.gif";
	var about_nav_on = new Image(38,19);
	about_nav_on.src = "/images/nav/about_on.gif";
	var board_nav_off = new Image(58,19);
	board_nav_off.src = "/images/nav/board_off.gif";
	var board_nav_on = new Image(58,19);
	board_nav_on.src = "/images/nav/board_on.gif";
//	var forums_nav_off = new Image(45,19);
//	forums_nav_off.src = "/images/nav/forums_off.gif";
//	var forums_nav_on = new Image(45,19);
//	forums_nav_on.src = "/images/nav/forums_on.gif";
	var contact_nav_off = new Image(47,19);
	contact_nav_off.src = "/images/nav/contact_off.gif";
	var contact_nav_on = new Image(47,19);
	contact_nav_on.src = "/images/nav/contact_on.gif";
	
//SECTION 4
	<!--1.  hot issues -->
	var hot_nav_off = new Image(123,17);
	hot_nav_off.src = "/images/nav/hot_off.gif";
	var hot_nav_on = new Image(123,17);
	hot_nav_on.src = "/images/nav/hot_on.gif";
	<!-- 2. lit reviews -->
	var lit_nav_off = new Image(123,17);
	lit_nav_off.src = "/images/nav/lit_off.gif";
	var lit_nav_on = new Image(123,17);
	lit_nav_on.src = "/images/nav/lit_on.gif";
	<!-- 3. Online CME    NEW -->
	var cme_nav_on = new Image(123,17);
	cme_nav_on.src = "/images/nav/online_cme_on.gif";
	var cme_nav_off = new Image(123,17);
	cme_nav_off.src = "/images/nav/online_cme_off.gif";
	<!-- 4. from the podium -->
	var podium_nav_on = new Image(123,17);
	podium_nav_on.src = "/images/nav/podium_on.gif";
	var podium_nav_off = new Image(123,17);
	podium_nav_off.src = "/images/nav/podium_off.gif";
	<!-- 5. case of the month -->
	var case_nav_off = new Image(123,17);
	case_nav_off.src = "/images/nav/case_off.gif";
	var case_nav_on = new Image(123,17);
	case_nav_on.src = "/images/nav/case_on.gif";
	<!--6. ask the experts -->
	var ask_nav_off = new Image(123,17);
	ask_nav_off.src = "/images/nav/ask_off.gif";
	var ask_nav_on = new Image(123,17);
	ask_nav_on.src = "/images/nav/ask_on.gif";
	<!-- 7. inflammatory essay      NEW -->
	var inf_essay_nav_off = new Image(123,17);
	inf_essay_nav_off.src = "/images/nav/inf_essay_off.gif";
	var inf_essay_nav_on = new Image(123,17);
	inf_essay_nav_on.src = "/images/nav/inf_essay_on.gif";
	<!-- 8. outrageous claim -->
	var claim_nav_off = new Image(123,17);
	claim_nav_off.src = "/images/nav/claim_off.gif";
	var claim_nav_on = new Image(123,17);
	claim_nav_on.src = "/images/nav/claim_on.gif";
	<!-- 9. primary care      NEW -->
	var pri_care_nav_on = new Image(123,17);
	pri_care_nav_on.src = "/images/nav/pri_care_on.gif";
	var pri_care_nav_off = new Image(123,17);
	pri_care_nav_off.src = "/images/nav/pri_care_off.gif";
	<!-- 10. fellows corner -->
	var FC_nav_off = new Image(123,17);
	FC_nav_off.src = "/images/nav/FC_off.gif";
	var FC_nav_on = new Image(123,17);
	FC_nav_on.src = "/images/nav/FC_on.gif";
	<!-- 11. slide library -->
	var slide_nav_off = new Image(123,17);
	slide_nav_off.src = "/images/nav/slide_off.gif";
	var slide_nav_on = new Image(123,17);
	slide_nav_on.src = "/images/nav/slide_on.gif";
	<!--12. useful resources -->
	var resource_nav_on = new Image(123,17);
	resource_nav_on.src = "/images/nav/resource_on.gif";
	var resource_nav_off = new Image(123,17);
	resource_nav_off.src = "/images/nav/resource_off.gif";
	<!-- 13. Journal TOCs -->
	var toc_nav_on = new Image(123,17);
	toc_nav_on.src = "/images/nav/journal_on.gif";
	var toc_nav_off = new Image(123,17);
	toc_nav_off.src = "/images/nav/journal_off.gif";
	<!-- 14. job listings -->
	var mtg_calendar_nav_off = new Image(123,17);
	mtg_calendar_nav_off.src = "/images/nav/mtg_calendar_off.gif";
	var mtg_calendar_nav_on = new Image(123,17);
	mtg_calendar_nav_on.src = "/images/nav/mtg_calendar_on.gif";	
	<!-- 16. archives -->
	var archive_nav_off = new Image(123,17);
	archive_nav_off.src = "/images/nav/archive_off.gif";
	var archive_nav_on = new Image(123,17);
	archive_nav_on.src = "/images/nav/archive_on.gif";
}

// swap images
function di(id,name) {
  if (document.images) {
  	document.images[id].src=eval(name+".src");
  	//dm("DI Reached!");
  }
}

//Use for bug testing...
function dm(msgStr) {
  document.returnValue = false;
  if (document.images) { 
     window.status = msgStr;
     document.returnValue = true;
  }
}