function showImage(url,w,h) {
	if (document.all) {
		bw = document.body.clientWidth;
		bh = document.body.clientHeight;
		bl = window.screenLeft;
		bt = window.screenTop;
	} else {
		bw = window.outerWidth;
		bh = window.outerHeight;
		bl = window.screenX;
		bt = window.screenY;
	}
	leftPos = Math.floor((bw-w)/2) + bl;
	topPos = Math.floor((bh-h)/2) + bt;
	attributes = "width=" + w + ",height=" + h + ",top=" + topPos + ",left=" + leftPos;
	window.open(url, "winAdd", attributes);
}

function deleteMedia() {
	elements = getElementsByClassName('media-del','right');
	for (i=0; i < elements.length; i++ ) {
		if (elements[i].style.display == 'block') {
			elements[i].style.display = '';
		} else {
			elements[i].style.display = 'block';
		}
	}
}

function doDeleteMedia(mod,value) {
	if (value == '') return;
	function aj(val) {
		if (val == 'reload')	reloadMedia();
		else			alert('Unexpected error. Please contact support with error code [media.js#34#' + val + ']');
	}
	ajax("calls/media.php", mod + "=delete|" + value, aj);
}

function reloadMedia() {
	function aj(val) {
		document.getElementById('media').innerHTML = val;
	}
	ajax("calls/media.php", "node=" + selectedNode, aj);
}