var vImage = "";

function ShowImage(imgObj,text) {
	document.getElementById("caption").innerHTML = text;
	document.getElementById("ImageHolder").src = 'images/spacer.gif';
	vImage = new Image();
	vImage.src = 'includes/image.php?s=475&f=' + imgObj;
	CheckLoaded();
}

function CheckLoaded() {

	vWidth  = vImage.width;
	vHeight = vImage.height;
	
	if(vWidth != 0 && vHeight != 0) {

		var viewer = document.getElementById("viewer");
		viewer.style.display = 'block';
		document.getElementById("ImageHolder").src = vImage.src;
		viewer.style.width = vWidth + 'px';
		viewer.style.height = (vHeight + 45) + 'px';
		viewer.style.left = (985 - vWidth) / 2 + 'px';
		viewer.style.top = (500 - vHeight) / 2 + 'px';

	} else {
		setTimeout('CheckLoaded()', 100);
	}
}

function CloseImage() {
	var viewer = document.getElementById("viewer");
	viewer.style.display = 'none';
}