document.write("<table border=0 cellspacing=0 cellpadding=0>"+
  "<tr>"+
    "<td><img src=images/header_pic1.jpg width=156 height=116></td>"+
    "<td><img src=images/header_pic2.jpg width=317 height=116></td>"+
    "<td><img src=images/header_pic3.jpg width=306 height=116></td>"+
    "<td><img src=images/header_pic4.jpg width=214 height=116></td>"+
  "</tr>"+
"</table>");