function openWindow(imageName,imageWidth,imageHeight,alt) {
newWindow = window.open("","newWindow","width="+imageWidth+",height="+imageHeight+',left=800,top=250');
newWindow.document.open();
newWindow.document.write(''+alt+'');
newWindow.document.write('
');
newWindow.document.write('<\/body>');
newWindow.document.close();
newWindow.focus();}