     <!--
        var DIV_CUR_SHOW = -1; // кусочек который сейчас виден, если = -1, то ничего не видно

        function hide ()
        {
            if (DIV_CUR_SHOW == -1) return;

            obj = eval ("document.all.div" + DIV_CUR_SHOW);
            obj.style.display = "none";
        }

        function show (id)
        {
          hide ();

          if (DIV_CUR_SHOW == id)
          {
            DIV_CUR_SHOW = -1;
            return;
          }

          DIV_CUR_SHOW = id;
          obj = eval ("document.all.div" + id);
          obj.style.display = "block";
        }
      //-->
     
      function VK_validate_form (strAlr, objForm)
  {
    for (arg = 2; arg < arguments.length; arg++)
      if (!objForm.elements[arguments[arg]].value)
      {
         alert (strAlr);
         objForm.elements[arguments[arg]].focus ();
         return false;
      }
    return true;
  } 
  
function openWin1(){
 myWin=open("p641.php","windowDisplay","width=520, height=400 scrollbars=yes, noresize");
}
function openWin2(){
 myWin=open("p8300.php","windowDisplay","width=520, height=400 scrollbars=yes, noresize");
}
function openWin3(){
 myWin=open("p8500.php","windowDisplay","width=520, height=400 scrollbars=yes, noresize");
}
function openWin5(){
 myWin=open("p8510.php","windowDisplay","width=520, height=207 scrollbars=no, noresize");
}
function openWin6(){
 myWin=open("p5000.php","windowDisplay","width=520, height=280 scrollbars=no, noresize");
}
function openWin7(){
 myWin=open("p6500.php","windowDisplay","width=520, height=280 scrollbars=no, noresize");
}
function openWin8(){
 myWin=open("p451.php","windowDisplay","width=520, height=400 scrollbars=yes, noresize");
}
function openWin9(){
 myWin=open("p9000.php","windowDisplay","width=520, height=100 scrollbars=no, noresize");
}