function middlelayer(base){
 if (!isNetscape) {
  var numPics=32;
  var imgToday=new Date();
  var imgNr=imgToday.getTime();
  var imgI=65535;
  var imgNr=(imgNr*9467+15393)%imgI;
  imgNr=Math.ceil((imgNr/(imgI*1.0))*numPics);
  var imgW=0;
  var imgH=0;
  switch (imgNr) {
   case 1: imgW=370;imgH=511;break;
   case 2: imgW=481;imgH=501;break;
   case 3: imgW=380;imgH=480;break;
   case 4: imgW=292;imgH=424;break;
   case 5: imgW=438;imgH=512;break;
   case 6: imgW=512;imgH=469;break;
   case 7: imgW=174;imgH=483;break;
   case 8: imgW=333;imgH=512;break;
   case 9: imgW=372;imgH=579;break;
   case 10:imgW=431;imgH=441;break;
   case 11:imgW=377;imgH=508;break;
   case 12:imgW=509;imgH=410;break;
   case 13:imgW=520;imgH=307;break;
   case 14:imgW=522;imgH=521;break;
   case 15:imgW=226;imgH=359;break;
   case 16:imgW=512;imgH=395;break;
   case 17:imgW=298;imgH=460;break;
   case 18:imgW=275;imgH=513;break;
   case 19:imgW=480;imgH=480;break;
   case 20:imgW=334;imgH=495;break;
   case 21:imgW=512;imgH=393;break;
   case 22:imgW=387;imgH=573;break;
   case 23:imgW=389;imgH=352;break;
   case 24:imgW=330;imgH=418;break;
   case 25:imgW=494;imgH=502;break;
   case 26:imgW=276;imgH=512;break;
   case 27:imgW=283;imgH=512;break;
   case 28:imgW=204;imgH=473;break;
   case 29:imgW=340;imgH=517;break;
   case 30:imgW=459;imgH=311;break;
   case 31:imgW=402;imgH=512;break;
   case 32:imgW=249;imgH=372;break;
  }
  var factorW=document.body.clientWidth/imgW;
  var factorH=document.body.clientHeight/imgH;
  if (factorW<factorH)
    factorH=factorW;
   imgW=imgW*factorH;
  imgH=imgH*factorH;
   xalpha = 0;
  document.write("<DIV id=xlayer style='position:absolute; Z-INDEX: -999; top:"+(document.body.clientHeight-imgH)+"; left:"+(document.body.clientWidth-imgW)+"; width:"+imgW+"; height:"+imgH+"; FILTER: light() alpha(opacity=0)'>");
  document.write("<IMG SRC="+base+"xlayer/"+imgNr+".gif width="+imgW+" height="+imgH+" border=0></DIV>");
  imgNr+=imgToday.getTime();
  imgNr=(imgNr*4117+51545)%imgI;
  var red=Math.ceil((imgNr/(imgI*1.0))*192)-1+64;
  imgNr+=imgToday.getTime();
  imgNr=(imgNr*3469+46536)%imgI;
  var green=Math.ceil((imgNr/(imgI*1.0))*192)-1+64;
  imgNr+=imgToday.getTime();
  imgNr=(imgNr*4545+30982)%imgI;
  var blue=Math.ceil((imgNr/(imgI*1.0))*128)+128-1;
  setLight(xlayer,0,0,100,400,300,red,green,blue,45,90,255,255,255,25);
  setTimeout("fadexlayer()",3000);
 }
}

function fadexlayer() {
 xalpha++;
 xlayer.filters.alpha.opacity=xalpha;
 if (xalpha<80)
  setTimeout("fadexlayer()",25);
}