function openImageWindow(url,img_width,img_height)
{
win_borders_width=10;
left=screen.width-img_width-win_borders_width;
if (left<0) { left=0; }
win_width=img_width;
win_height=img_height;
scroll_flag=0;
height_delta=75;
scrollbar_width=16;
screen_height=screen.height;
if (img_height>screen_height-height_delta)
{
win_width+=scrollbar_width;
win_height=screen_height-height_delta;
scroll_flag=1;
left-=scrollbar_width;
}
imgwin=window.open("", "image_win", "toolbar=0,location=0,directories=0,status=0,menubar=0,scrollbars="+scroll_flag+",resizable=0,top=0,left="+left+",width="+win_width+",height="+win_height);
imgwin.close();
imgwin=window.open("", "image_win", "toolbar=0,location=0,directories=0,status=0,menubar=0,scrollbars="+scroll_flag+",resizable=0,top=0,left="+left+",width="+win_width+",height="+win_height);
imgwin.document.writeln('
');
imgwin.focus();
}