function setImage(name, url) {
	if (document.images) {
		document.images[name].src = url;
	}
}

function doRedirect(url) {
	top.location.href = url;
}

function newImage(url) {
	if (document.images) {
		newimg = new Image();
		newimg.src = url;
		return newimg;
	}
}

function showPicture(url) {
	openPopupWindow(url, 'imagepopup', 'toolbar=0,menubar=0,scrollbars=0,status=0,resizable=0,width=520,height=520');
}

function openPopupWindow(url, name, props) {
	popup = window.open('',name, props);
	popup.focus();
	popup.location  = url;
}