var newImage = document.createElement("img");
var descofimg = "";
	function swapImage(filename,desc)
	{
		clearImage();
		descofimg = desc;
		newImage = document.createElement("img");
		var img_path = filename;
		newImage.setAttribute("src", img_path);
		newImage.setAttribute("onLoad", setTimeout("insertImage()",500));
	}
	
	function clearImage()
	{
		newImage = document.createElement("img");
		var holderDiv = document.getElementById('main_picture');
		var oldImage = document.getElementById('bigImage');
		var removed = holderDiv.removeChild(oldImage);
	}
	
	function insertImage()
	{
		var holderDiv = document.getElementById('main_picture');
		var oldImage = document.getElementById('loadingImage');
		var desc = document.getElementById('imgdesc');
		desc.innerHTML=descofimg;
		newImage.setAttribute("id", "bigImage");
		holderDiv.appendChild(newImage,oldImage);
	}