function updateMainImage(filename, width, height){

	aspect = height/width;
	
	if(aspect > 0.75) {
		document.getElementById('mainImage').width = 225/aspect;
		document.getElementById('mainImage').height = 225;
	} else {
		document.getElementById('mainImage').width = 300;
		document.getElementById('mainImage').height = 300*aspect;
	}
	
	document.getElementById('mainImage').src = '/images/default/uploads/thumbs/watermark.php?src=300_225/' + filename;

}

function openPopup(url) {
	window.open(url);
}