function changeImage(src, alt) {
	alt = "";
	var image = document.getElementById("center");
	image.innerHTML = "<img src=\"" + src + "\" alt=\"" + alt + "\" />\n";
}

function changeInnerHtml(id,innerhtml)
{
	var elem = document.getElementById(id);
	elem.innerHTML = innerhtml;
}

// used in set.php only
function swap(title_id, title, descrip_id, descrip, img_id, img_src)
{
	changeInnerHtml(title_id,title);
	changeInnerHtml(descrip_id,descrip);
	var image = document.getElementById(img_id);
	image.src = img_src;
	image.alt = title;
}