function ObjectAD() {
  /* Define Variables*/
  this.ADID        = 0;
  this.ADType      = 0;
  this.ADName      = "";
  this.ImgUrl      = "";
  this.ImgWidth    = 0;
  this.ImgHeight   = 0;
  this.FlashWmode  = 0;
  this.LinkUrl     = "";
  this.LinkTarget  = 0;
  this.LinkAlt     = "";
  this.Priority    = 0;
  this.CountView   = 0;
  this.CountClick  = 0;
  this.InstallDir  = "";
  this.ADDIR       = "";
}

function CodeZoneAD(_id) {
  /* Define Common Variables*/
  this.ID          = _id;
  this.ZoneID      = 0;

  /* Define Unique Variables*/

  /* Define Objects */
  this.AllAD       = new Array();
  this.ShowAD      = null;

  /* Define Functions */
  this.AddAD       = CodeZoneAD_AddAD;
  this.GetShowAD   = CodeZoneAD_GetShowAD;
  this.Show        = CodeZoneAD_Show;

}

function CodeZoneAD_AddAD(_AD) {
  this.AllAD[this.AllAD.length] = _AD;
}

function CodeZoneAD_GetShowAD() {
  if (this.ShowType > 1) {
    this.ShowAD = this.AllAD[0];
    return;
  }
  var num = this.AllAD.length;
  var sum = 0;
  for (var i = 0; i < num; i++) {
    sum = sum + this.AllAD[i].Priority;
  }
  if (sum <= 0) {return ;}
  var rndNum = Math.random() * sum;
  i = 0;
  j = 0;
  while (true) {
    j = j + this.AllAD[i].Priority;
    if (j >= rndNum) {break;}
    i++;
  }
  this.ShowAD = this.AllAD[i];
}

function CodeZoneAD_Show() {
  if (!this.AllAD) {
    return;
  } else {
    this.GetShowAD();
  }

  if (this.ShowAD == null) return false;
  document.write(this.ShowAD.ADIntro);
}

var ZoneAD_3 = new CodeZoneAD("ZoneAD_3");
ZoneAD_3.ZoneID      = 3;
ZoneAD_3.ZoneWidth   = 0;
ZoneAD_3.ZoneHeight  = 0;
ZoneAD_3.ShowType    = 1;

var objAD = new ObjectAD();
objAD.ADID           = 15;
objAD.ADType         = 4;
objAD.ADName         = "B2-造价工程师(正保)";
objAD.ImgUrl         = "";
objAD.InstallDir     = "/";
objAD.ImgWidth       = 0;
objAD.ImgHeight      = 0;
objAD.FlashWmode     = 0;
objAD.ADIntro        = "<a href=\"http://lm.jianshe99.com/ManageCheck.asp?adsid=589&UnionID=2153\" target=\"_blank\"><img name=\"AdsHttp\" src=\"http://lm.jianshe99.com//UploadFiles/20091161626262922.jpg\" width=\"422\" height=\"73\" alt=\"\" border=\"0\"/></a>";
objAD.LinkUrl        = "";
objAD.LinkTarget     = 1;
objAD.LinkAlt        = "";
objAD.Priority       = 3;
objAD.CountView      = 0;
objAD.CountClick     = 0;
objAD.ADDIR          = "schoola";
ZoneAD_3.AddAD(objAD);

var objAD = new ObjectAD();
objAD.ADID           = 16;
objAD.ADType         = 4;
objAD.ADName         = "B2-咨询工程师(正保)";
objAD.ImgUrl         = "";
objAD.InstallDir     = "/";
objAD.ImgWidth       = 0;
objAD.ImgHeight      = 0;
objAD.FlashWmode     = 0;
objAD.ADIntro        = "<a href=\"http://lm.jianshe99.com/ManageCheck.asp?adsid=590&UnionID=2153\" target=\"_blank\"><img name=\"AdsHttp\" src=\"http://lm.jianshe99.com//UploadFiles/20091161859584274.jpg\" width=\"422\" height=\"73\" alt=\"\" border=\"0\"/></a>";
objAD.LinkUrl        = "";
objAD.LinkTarget     = 1;
objAD.LinkAlt        = "";
objAD.Priority       = 2;
objAD.CountView      = 0;
objAD.CountClick     = 0;
objAD.ADDIR          = "schoola";
ZoneAD_3.AddAD(objAD);

var objAD = new ObjectAD();
objAD.ADID           = 24;
objAD.ADType         = 4;
objAD.ADName         = "B2-医学网校广告(东奥)";
objAD.ImgUrl         = "";
objAD.InstallDir     = "/";
objAD.ImgWidth       = 0;
objAD.ImgHeight      = 0;
objAD.FlashWmode     = 0;
objAD.ADIntro        = "<script language=\"javascript\" src=\"http://member.dongao.com/bannerJs.html?uid=17732493&bid=791\" charset=\"utf-8\"></script>";
objAD.LinkUrl        = "";
objAD.LinkTarget     = 1;
objAD.LinkAlt        = "";
objAD.Priority       = 1;
objAD.CountView      = 0;
objAD.CountClick     = 0;
objAD.ADDIR          = "schoola";
ZoneAD_3.AddAD(objAD);

var objAD = new ObjectAD();
objAD.ADID           = 5;
objAD.ADType         = 4;
objAD.ADName         = "B2-2-医学网校广告(正保)";
objAD.ImgUrl         = "";
objAD.InstallDir     = "/";
objAD.ImgWidth       = 0;
objAD.ImgHeight      = 0;
objAD.FlashWmode     = 0;
objAD.ADIntro        = "<a href=\"http://lm.chinaacc.com/ManageCheck.asp?adsid=478&UnionID=2153\" target=\"_blank\"><img name=\"AdsHttp\" src=\"http://lm.chinaacc.com//UploadFiles/20083131719256491.gif\" width=\"485\" height=\"67\" alt=\"\" border=\"0\"/></a>";
objAD.LinkUrl        = "";
objAD.LinkTarget     = 1;
objAD.LinkAlt        = "";
objAD.Priority       = 1;
objAD.CountView      = 0;
objAD.CountClick     = 0;
objAD.ADDIR          = "schoola";
ZoneAD_3.AddAD(objAD);

var objAD = new ObjectAD();
objAD.ADID           = 3;
objAD.ADType         = 4;
objAD.ADName         = "B2-1-二级建造师网校(正保)";
objAD.ImgUrl         = "";
objAD.InstallDir     = "/";
objAD.ImgWidth       = 0;
objAD.ImgHeight      = 0;
objAD.FlashWmode     = 0;
objAD.ADIntro        = "<a href=\"http://lm.chinaacc.com/ManageCheck.asp?adsid=135&UnionID=2153\" target=\"_blank\"><img name=\"AdsHttp\" src=\"http://lm.chinaacc.com//UploadFiles/2008981710109725.gif\" width=\"468\" height=\"60\" alt=\"\" border=\"0\"/></a>";
objAD.LinkUrl        = "";
objAD.LinkTarget     = 1;
objAD.LinkAlt        = "";
objAD.Priority       = 1;
objAD.CountView      = 0;
objAD.CountClick     = 0;
objAD.ADDIR          = "schoola";
ZoneAD_3.AddAD(objAD);

ZoneAD_3.Show();