function createCookie(main,subcat,course,page) {
		var date = new Date();
			date.setTime(date.getTime()+(30000));
			var expires = "; expires="+date.toGMTString();
		document.cookie = "main="+main+expires+"; path=/";
		document.cookie = "subcat="+subcat+expires+"; path=/";
		document.cookie = "course="+course+expires+"; path=/";
		window.location = "/courses/"+page;
	}

	function readCookie(name) {
		var nameEQ = name + "=";
		var ca = document.cookie.split(';');
		for(var i=0;i < ca.length;i++) {
			var c = ca[i];
			while (c.charAt(0)==' ') c = c.substring(1,c.length);
				if (c.indexOf(nameEQ) == 0) {
					var v = c.substring(nameEQ.length,c.length);
					d = new Date();
					document.cookie = name+"=0;expires=Tues, 14-Apr-1981 00:00:01 GMT;path=/";
					return v;
				}
			}
		return null;
	}

$(document).ready(function(){
	var t=readCookie('main'); if(t) window.current_category=t; t=readCookie('subcat'); if(t) window.current_subcategory=t; t=readCookie('course'); if(t) window.current_course=t; 
	if (window.current_category) var c1=window.current_category; else c1='x'; if (window.current_subcategory) var c2=window.current_subcategory; else cs='x'; if (window.current_course) var c3=window.current_course; else c3='n/a';
	var flashvars = { current_category: c1, current_subcategory: c2, current_course: c3 };
	var params = { menu: "false", allowScriptAccess:"sameDomain", bgcolor:"#0F0F0F", wmode:"transparent" };
	var attributes = { id: "course_browser" };
	swfobject.embedSWF("course_browser.swf", "course-browser", "888", "169", "8.0.0","/scripts/expressInstall.swf", flashvars, params, attributes);
});