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_12 = new CodeZoneAD("ZoneAD_12");
ZoneAD_12.ZoneID      = 12;
ZoneAD_12.ZoneWidth   = 0;
ZoneAD_12.ZoneHeight  = 0;
ZoneAD_12.ShowType    = 1;

var objAD = new ObjectAD();
objAD.ADID           = 14;
objAD.ADType         = 4;
objAD.ADName         = "学习网调用广告";
objAD.ImgUrl         = "";
objAD.ImgWidth       = 0;
objAD.ImgHeight      = 0;
objAD.FlashWmode     = 0;
objAD.ADIntro        = "<script type=\"text/javascript\"><!--\n\rgoogle_ad_client = \"pub-9453800478658249\";\n\rgoogle_ad_width = 728;\n\rgoogle_ad_height = 90;\n\rgoogle_ad_format = \"728x90_as\";\n\rgoogle_ad_type = \"text_image\";\n\r//2007-04-07: xuexinet\n\rgoogle_ad_channel = \"5535130469\";\n\r//-->\n\r</script>\n\r<script type=\"text/javascript\"\n\r  src=\"http://pagead2.googlesyndication.com/pagead/show_ads.js\">\n\r</script>";
objAD.LinkUrl        = "";
objAD.LinkTarget     = 1;
objAD.LinkAlt        = "";
objAD.Priority       = 1;
objAD.CountView      = 0;
objAD.CountClick     = 0;
objAD.InstallDir     = "/";
objAD.ADDIR          = "AD";
ZoneAD_12.AddAD(objAD);

ZoneAD_12.Show();