function toggle(id) {
	var item = document.getElementById(id);
	var value = item.style.display ? '' : 'none'
	item.style.display = value;
	}

function copy(from, to) {
	document.getElementById(to).innerHTML = document.getElementById(from).value
	}

function grey(id) {
	var item = document.getElementById(id);
	var value = item.disabled ? '' : 'false'
	item.disabled = value
	}
	
function refreshWall(url) {
	var http = false;
	
	if(navigator.appName == "Microsoft Internet Explorer")
		http = new ActiveXObject("Microsoft.XMLHTTP")
	else
		http = new XMLHttpRequest()
	http.open("GET", url, true)
	http.onreadystatechange=function() {
		if(http.readyState == 4) {
			document.getElementById('wall').innerHTML = http.responseText
			}
		}
	http.send(null)
	}

function post() {
	refreshWall("post.php?text=" + document.wall.text.value)
	document.wall.text.value = ''
	}
	
function biggerTextBox() {
	var size = parseInt(document.wall.text.style.height)+54
	document.wall.text.style.height = size + "px"
	}

function clear(val) {
	if(this.value == val)
		this.value=''
	}

function logout() {
    var d = new Date()
    document.cookie = "pass=0;expires=" + d.toGMTString() + ";" + ";"
    document.cookie = "name=0;expires=" + d.toGMTString() + ";" + ";"
   	}

function popUp(URL) {
	day = new Date();
	id = day.getTime();
	window.open(URL, '" + id + "', 'toolbar=0,scrollbars=1,location=0,statusbar=0,menubar=0,resizable=1,width=900,height=610,');
	}

var hover_id;
function hover(id) {
	hover_id = id;
	document.getElementById(hover_id).className = "hover";
	}

function blur() {
	document.getElementById(hover_id).className = "";
	}