var currentZoom = 2;
function getCookie(c_name) {
	if (document.cookie.length > 0) {
		c_start = document.cookie.indexOf(c_name + "=");
		if (c_start != -1) {
			c_start = c_start + c_name.length + 1;
			c_end = document.cookie.indexOf(";", c_start);
			if (c_end == -1) c_end = document.cookie.length;
			return unescape(document.cookie.substring(c_start, c_end));
		}
	}
	return "";
}
function setCookie(c_name, value, expiredays) {
	var exdate = new Date();
	exdate.setDate(exdate.getDate() + expiredays);
	document.cookie = c_name + "=" + escape(value) + ((expiredays == null) ? "" : ";expires=" + exdate.toUTCString());
}

function zoom(modifier) {
	setZoom(currentZoom + modifier);
}

function setZoom(value) {
	if (!isNaN(value)) {
		currentZoom = Math.min(Math.max((value), 0), 4);
		setCookie('zoomLevel', currentZoom, 30);
		var w = document.getElementById('Container_Content');
		w.className = 'zoomLevel' + currentZoom;
		//alert(value);
	}
	else {
		setZoom(currentZoom);
	}
}
function checkZoom() {
	var o = getCookie('zoomLevel');
	setZoom(parseInt(o));
}
function switchFooter() 
{
	var e = document.getElementById('footer');
	var i = document.getElementById('directorySwitch');
	var o = document.getElementById('openDirectoryText');
	var c = document.getElementById('closeDirectoryText');
	if (e.style.display == "none") 
    {
		e.style.display = "block";
		i.style.backgroundImage = 'url(/_LAYOUTS/1033/IMAGES/www.vakk.fi/ico-up.gif)';
		o.style.display = "none";
		c.style.display = "inline";
	}
	else 
    {
		e.style.display = "none";
		i.style.backgroundImage = 'url(/_LAYOUTS/1033/IMAGES/www.vakk.fi/ico-down.gif)';
		c.style.display = "none";
		o.style.display = "inline";
	}
	setCookieFooter('footerDisplayNew', e.style.display, 30);
}

/*
Lauri 13.09.2011, siirretty master.master loppuun....
function checkFooter() 
{
    alert("checkFooter d");
	//setCookie('footerDisplay', 'block', 30);
	var o = getCookie('footerDisplay');
	if (o != null) {
		document.getElementById('footer').style.display = o;
	}
	else {
		o = 'block';
		document.getElementById('footer').style.display = o;
	}
	//switchFooter();
	//switchFooter();
}
*/
setTimeout('checkZoom()', 100);