var counter=0;

function openImage(filename, width, height) {
		var newHeight = height+30;
		var newWidth = width+40;
		myWindow = window.open("","myNewWindow"+counter,'toolbar=no, resize=no, scrollbars=yes, height='+newHeight+', width='+newWidth);
		myWindow.document.write("<img src=/images/"+filename+" />");
		myWindow.document.close();
		counter++;
}