function openCourseForumJS(forumId, categoryId)
{
	//alert(forumId);
	//alert(categoryId);
    //eraseCookie("courseId");
    //eraseCookie("forumId");
    //createCookie("courseId","c"+categoryId);
	//createCookie("forumId",forumId);
	window.location="/forums/show/"+forumId+".htm?opencourse=c"+categoryId;
}

function openCourseJS(versionId)
{
	//alert(categoryId);
    //eraseCookie("courseId");
    //eraseCookie("forumId");
    //createCookie("courseId","c"+categoryId);
	window.location="/courseDescription/description/"+versionId+".htm";
}

function showmenu(id){

	if(document.getElementById(id).style.display=='')
	{
		document.getElementById(id).style.display='none';
	}
	else
	{
		document.getElementById(id).style.display='';
	}
}

function createCookie(name,value) {
	var date = new Date();
	date.setTime(date.getTime()+(7*24*60*60*1000));
	var expires = "; expires="+date.toGMTString();
	document.cookie = name+"="+value+expires+"; path=/";
}
function eraseCookie(name) {
	createCookie(name,"",-1);
}

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) return c.substring(nameEQ.length,c.length);
	}
	return null;
}