function preloadImages_Busdevel(p) { 
  var d=document;
  if(d.images){ 
    if(!d.MM_p)
      d.MM_p=new Array();
    var i, j=d.MM_p.length;
    var a=new Array(
      'images/busdevel/sign-guidelines-o.gif',
      'images/busdevel/commercial-ship-o.gif',
      'images/busdevel/commercial-towing-o.gif', 
      'images/busdevel/can_devel-o.gif',
      'images/busdevel/do_bus-o.gif',
      'images/busdevel/envir-aware-o.gif');
    for(i=0; i<a.length; i++)
      if (a[i].indexOf("#")!=0){ 
        d.MM_p[j]=new Image; 
        d.MM_p[j++].src= p + a[i];
        // alert("j=" + j + "[" + d.MM_p[j-1].src + "]");
      }
  }
}