function show_img(img, src)
{
var width=310;
var height=310;
var new_left = Math.round(window.screen.width / 2 - width / 2);
var new_top = Math.round(window.screen.height / 2 - height / 2);
var window_params = 'width=' + width + ',height=' + height + ',scrollbars=no,resizable=no,help=no,status=no,left=' + new_left + ',top=' + new_top;
var OpenWindow=window.open("", img.alt, window_params);
OpenWindow.document.write("" + img.alt + "")
OpenWindow.document.write("")
OpenWindow.document.write("![" + img.alt + "](" + src + ")
")
OpenWindow.document.write("")
}