function showElement(id) {
	document.getElementById(id).style.display = 'block';
	document.cookie = id + "=block";
}

function hideElement(id) {
	document.getElementById(id).style.display = 'none';
	document.cookie = id + "=none";
}

function toggleElementVisibility(id) {
	var element = document.getElementById(id);
	if(element.style.display != "none") {
		hideElement(id);
	} else {
		showElement(id);
	}
}

function getCookie(Name) {
	var searchStr = Name + "=";
	var returnvalue = "-";
	if(document.cookie.length > 0) {
		offset = document.cookie.indexOf(searchStr);
		if(offset != -1) {
			offset += searchStr.length;
			end = document.cookie.indexOf(";", offset);
			if(end == -1) end = document.cookie.length;
			returnvalue = unescape(document.cookie.substring(offset, end));
		}
	}
	return returnvalue;
}