//functions to control left-nav menu positions
//default array for menu positions
var myArray = ['block' ,'none', 'none', 'block'];

function displaymenu() {
	var cookie = getCookie('oau_posit');
	if (cookie != null) {
		//if cookie exists use it
		myArray = cookie.split('|');
	}
	//display menus according to array
	for (var i=0; i<myArray.length; i++) {
		//set menu dispaly
		document.getElementById('menu'+i).style.display = myArray[i];
		//set images display
		var img = document.getElementById('menuimg'+i);
		if (myArray[i] == 'block') {
			img.src = "../skin1/images/green-pointer-down.png";
		} else {
			img.src = "../skin1/images/green-pointer-right.png";
		}
	}
}
function hideshow(id) {
	var item = document.getElementById('menu'+id);
	var img = document.getElementById('menuimg'+id);
	if (item.style.display == "none") {
		item.style.display = "block";
		myArray[id] = "block";
		img.src = "../skin1/images/green-pointer-down.png";
	} else if(item.style.display == "block") {
		item.style.display = "none";
		myArray[id] = "none";
		img.src = "../skin1/images/green-pointer-right.png";
	}
	makeCookie(myArray);
}
function makeCookie(cArray) {
	vm = "";
	//create string for cookie from array
	for (var i=0; i<cArray.length; i++) {
		vm += cArray[i]+"|";
	}
	//remove the trailing |
	vm = vm.substring(0,(vm.length-1));
	//create a cookie called oau_posit to maintain menu state
	setjsCookie('oau_posit', vm, '/');
}