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

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;
}


function eraseCookie(name) {
	createCookie(name,"",-1);
}

//Menu in of uitklappen + cookie zetten
function toggleDisplay(obj){

	if (document.getElementById(obj).className == "inactive"){

 	    document.getElementById(obj).className ="active";  //standaard css aanroepen
		createCookie(obj,"active"); //cookie word aangemaakt: obj = test waarde is active

	}else{
	    document.getElementById(obj).className ="inactive"; //verbergen menu items setMenu.css
		createCookie(obj,"inactive"); //cookie word aangemaakt: obj = test waarde is inactive
	}
}

//uitlezen cookies en menu items activeren of deactiveren
function setActiveMenu(){
	var ar = document.getElementById("submenu").getElementsByTagName("div");
	for (var i=0; i<ar.length; i++){  //Uitlezen alle menu items div submenu

		var menuItem = ar[i].parentNode.id;

		if(menuItem != "submenu"){
   			if (readCookie(menuItem)=="active"){
				document.getElementById(menuItem).className="active";//standaard css aanroepen
			}else if (readCookie(menuItem)=="inactive"){
				document.getElementById(menuItem).className="inactive"; //verbergen menu items setMenu.css
			}
		}
	}
}

//verberg alle inactive menu items
//#test.inactive ul, #test.inactive .end{ Display: none;}
document.write("<link rel='stylesheet' href='/css/setMenu.css' type='text/css' media='screen' />");