function GetContentWnd(){ return parent; }
function OnSave(){	
				var oWnd = GetContentWnd();
				window.external.addFavorite( oWnd.location.href, oWnd.document.title );
			}
function ADBanner(){
  this.htmlcode  = "";// Non image banner's html code
  this.href      = "";// Link's href attrib
  this.imgsrc    = "";// Image's src attrib
  this.imgwidth  = "";// Image's width attrib
  this.imgheight = "";// Image's height attrib
  this.imgalt    = "";// Image's alt attrib
  this.imgborder = "";// Image's border attrib
  this.weight    = 1;// Banner's show weight
  this.place     = 1// Banner's place
  this.type      = 1;// Banner's type
}

// Make Banner objects array
function CreatBanners(aBanners, aNum){
  for( var i=0; i<aNum; i++ ){
    aBanners[i] = new ADBanner();
  }
}

// Show banner
function showbanner(aPlace, aType, aBannerID)
{
  var amount = ADBanners.length;
  var includeList = new Array(amount);

  if (!document.usedBanners){
    document.usedBanners = new Array(amount);
for (var i=0; i<amount; i++)
      document.usedBanners[i] = -1;
  }
 
  var usedList = document.usedBanners;

  if (arguments.length == 2){
    var j = 0;
    var sum = 0;
for(var i=0; i<amount; i++){
if (ADBanners[i].place == aPlace && ADBanners[i].type == aType){
if (usedList[i] != i){
  includeList[j] = i;
      j++;
          sum = sum + ADBanners[i].weight;
    }
  }
 }
    if (sum <= 0)
  return;
    var rndNum = Math.round(Math.random() * sum);

    i = 0;
    j = 0;
    while (true) {
      j = j + ADBanners[includeList[i]].weight;
      if (j >= rndNum)
        break;
      i++;
    }

    i = includeList[i];
  }
  else{
if (aBannerID >= 0 && aBannerID < amount)
      i = aBannerID;
else
  return;
  }

  usedList[i] = i;

  if (ADBanners[i].htmlcode == "")
    document.write('<A HREF="'+ ADBanners[i].href +'" target=_blank><IMG SRC="'+ ADBanners[i].imgsrc +'" WIDTH="'+ ADBanners[i].imgwidth +'" HEIGHT="'+ ADBanners[i].imgheight +'" ALT="'+ ADBanners[i].imgalt +'" BORDER="'+ ADBanners[i].imgborder +'"></A>');
  else
    document.write(ADBanners[i].htmlcode);
}

var ADBanners = new Array();

CreatBanners(ADBanners, 16);

ADBanners[10].htmlcode  = '<SCRIPT type=text/javascript language=JavaScript src=http://xslt.alexa.com/site_stats/js/s/c?url=www.tongyi.net></SCRIPT>';
ADBanners[10].weight    = 10;
ADBanners[10].place= 5;
ADBanners[10].type = 5;