global_html_chunks = new Object();

function toggle_content(elementId)
{
	element = document.getElementById(elementId);
	if (element != null)
	{
		html = eval("global_html_chunks." + elementId);
		if (typeof html == 'undefined')
		{
			html = "";
		}
		eval("global_html_chunks." + elementId + " = element.innerHTML");
		element.innerHTML = html;
	}
}