function onLoad()
{
	shadowfyHeader();
}

function shadowfyHeader()
{
	var headerDiv = document.getElementById("site_header");
	if (headerDiv)
	{
		var shadowDiv = document.createElement("div");
		shadowDiv.className = "shadow";
		
		var tDiv = document.createElement("div");
		tDiv.className = "top";
		var tlDiv = document.createElement("div");
		tlDiv.className = "topleft";
		var lDiv = document.createElement("div");
		lDiv.className = "left";
		var trDiv = document.createElement("div");
		trDiv.className = "topright";
		var rDiv = document.createElement("div");
		rDiv.className = "right";
		
		shadowDiv.appendChild(tDiv);
		shadowDiv.appendChild(tlDiv);
		shadowDiv.appendChild(lDiv);
		shadowDiv.appendChild(trDiv);
		shadowDiv.appendChild(rDiv);
		shadowDiv.appendChild(headerDiv.cloneNode(true));
		
		headerDiv.parentNode.replaceChild(shadowDiv, headerDiv);
	}
}

window.onload = onLoad;