function init() {

	function I(Id)      { return document.getElementById(Id) }
	function T(obj,Tag) { return Tag?obj.getElementsByTagName(Tag):document.getElementsByTagName(obj) }

	I("sky").innerHTML = '<div id="container">' + I("sky").innerHTML + '</div>';
	I("content").innerHTML = '<div id="contentt">' + I("content").innerHTML + '</div>';
	I("contentt").innerHTML = '<div id="contentb">' + I("content").innerHTML + '<div class="clear"></div></div>';

}
// enhanced onload function modified from http://dean.edwards.name/weblog/2006/06/again/
if(/MSIE/.test(navigator.userAgent)){          // for Internet Explorer
	document.write('<script id="ie_onload" src="javascript:void(0)" defer><\/script>');
	document.getElementById("ie_onload").onreadystatechange = function(){
		if(this.readyState == "complete") init();
	}
}
else if(document.addEventListener){            // for Mozilla and Opera 9
	document.addEventListener("DOMContentLoaded", init, false);
}
else if(/WebKit/.test(navigator.userAgent)){   // for WebKit
	var _timer = setInterval(function(){
		if(/loaded|complete/.test(document.readyState)){
			init();
		}
	}, 10);
}
else window.onload = init;                     // for other browsers



// Drop Down Menu
var timeout	= 0;
var closetimer	= 0;
var ddmenuitem	= 0;

// open hidden layer
function mopen(id)
{	
	// cancel close timer
	mcancelclosetime();

	// close old layer
	if(ddmenuitem) ddmenuitem.style.visibility = 'hidden';

	// get new layer and show it
	ddmenuitem = document.getElementById(id);
	ddmenuitem.style.visibility = 'visible';
}

// close showed layer
function mclose()
{
	if(ddmenuitem) ddmenuitem.style.visibility = 'hidden';
}

// go close timer
function mclosetime()
{
	closetimer = window.setTimeout(mclose, timeout);
}

// cancel close timer
function mcancelclosetime()
{
	if(closetimer)
	{
		window.clearTimeout(closetimer);
		closetimer = null;
	}
}

// close layer when click-out
document.onclick = mclose;