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 MoveZoneAD(_id) {
  /* Define Common Variables*/
  this.ID          = _id;
  this.ZoneID      = 0;
  this.ZoneName    = "";
  this.ZoneWidth   = 0;
  this.ZoneHeight  = 0;
  this.ShowType    = 1;
  this.DivName     = "";
  this.Div         = null;

  /* Define Unique Variables*/
  this.Left        = 0;
  this.Top         = 0;
  this.Delta       = 0.15;

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

  /* Define Functions */
  this.AddAD       = MoveZoneAD_AddAD;
  this.GetShowAD   = MoveZoneAD_GetShowAD;
  this.Show        = MoveZoneAD_Show;
  this.Move        = MoveZoneAD_Move;

}

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

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

  if (this.ShowAD == null) return false;
  this.DivName = "MoveZoneAD_Div" + this.ZoneID;
  if (this.ShowAD.ImgWidth) this.ShowAD.ImgWidth = this.ZoneWidth
  if (this.ShowAD.ImgHeight) this.ShowAD.ImgHeight = this.ZoneHeight
  if (this.ShowAD.ADDIR=="") this.ShowAD.ADDIR = "AD"
  if (navigator.appName == "Netscape") {
    document.write("<layer id='" + this.DivName + "' top='" + this.Top + "' width='" + this.ZoneWidth + "' height='" + this.ZoneHeight + "'>" + AD_Content(this.ShowAD) + "</layer>");
  } else {
    document.write("<div id='" + this.DivName + "' style='position:absolute; visibility:visible; z-index:1; width:" + this.ZoneWidth + "; height:" + this.ZoneHeight + "; left:" + this.Left + ";top:" + this.Top + "'>" + AD_Content(this.ShowAD) + "</div>");
  }
  if (this.ShowAD.CountView) {
    document.write ("<script src='" + this.ShowAD.InstallDir + this.ShowAD.ADDIR + "/ADCount.asp?Action=View&ADID=" + this.ShowAD.ADID + "'></script>")
  }
  this.Div = document.getElementById(this.DivName);
  setInterval(this.ID + ".Move()", 10);
}

function MoveZoneAD_Move() {
	  if (this.Div.offsetLeft != (document.body.scrollLeft + this.Left)) {
		var dx = (document.body.scrollLeft + this.Left - this.Div.offsetLeft) * this.Delta;
		dx = (dx > 0 ? 1 :  - 1) * Math.ceil(Math.abs(dx));
		this.Div.style.left = this.Div.offsetLeft + dx;
	  }

	if(document.body.scrollHeight-document.body.scrollTop > 740 ){
			
		  if (this.Div.offsetTop != (document.body.scrollTop + this.Top)) {
			var dy = (document.body.scrollTop + this.Top - this.Div.offsetTop) * this.Delta;
			dy = (dy > 0 ? 1 :  - 1) * Math.ceil(Math.abs(dy));
			this.Div.style.top = this.Div.offsetTop + dy;
		  }
		  
	}
	
  	this.Div.style.display = '';
	var zleft =  Math.ceil((document.body.clientWidth - 782)/2 + 604);
	ZoneAD_1.Left = (zleft>631) ? zleft : 631 ;
}

function AD_Content(o) {
  var str = "";
  if (o.ADType == 1 || o.ADType == 2) {
    o.ImgUrl = o.ImgUrl.toLowerCase()
    if (o.ImgUrl.indexOf(".swf") !=  - 1) {
      str = "<object classid='clsid:D27CDB6E-AE6D-11cf-96B8-444553540000' codebase='http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=7,0,0,0'";
      str += " name='AD_" + o.ADID + "' id='AD_" + o.ADID + "'";
      str += " width='" + o.ImgWidth + "'";
      str += " height='" + o.ImgHeight + "'";
      if (o.style) str += " style='" + o.style + "'";
      if (o.extfunc) str += " " + o.extfunc + " ";
      str += ">";
      str += "<param name='movie' value='" + o.ImgUrl + "'>";
      if (o.FlashWmode == 1) str += "<param name='wmode' value='Transparent'>";
      if (o.play) str += "<param name='play' value='" + o.play + "'>";
      if (typeof(o.loop) != "undefined") str += "<param name='loop' value='" + o.loop + "'>";
      str += "<param name='quality' value='autohigh'></object>";
      str = "<embed ";
      str += " name='AD_" + o.ADID + "' id='AD_" + o.ADID + "'";
      str += " width='" + o.ImgWidth + "'";
      str += " height='" + o.ImgHeight + "'";
      if (o.style) str += " style='" + o.style + "'";
      if (o.extfunc) str += " " + o.extfunc + " ";
      str += " src='" + o.ImgUrl + "'";
      if (o.FlashWmode == 1) str += " wmode='Transparent'";
      if (o.play) str += " play='" + o.play + "'";
      if (typeof(o.loop) != "undefined") str += " loop='" + o.loop + "'";
      str += " quality='autohigh'"
      str += " pluginspage='http://www.macromedia.com/shockwave/download/index.cgi?P1_Prod_Version=ShockwaveFlash' type='application/x-shockwave-flash'></embed>";
      str += "</object>";
    } else if (o.ImgUrl.indexOf(".gif") !=  - 1 || o.ImgUrl.indexOf(".jpg") !=  - 1 || o.ImgUrl.indexOf(".jpeg") !=  - 1 || o.ImgUrl.indexOf(".bmp") !=  - 1 || o.ImgUrl.indexOf(".png") !=  - 1) {
      if (o.LinkUrl) {
        if (o.CountClick) o.LinkUrl = o.InstallDir + o.ADDIR + "/ADCount.asp?Action=Click&ADID=" + o.ADID
        str += "<a href='" + o.LinkUrl + "' target='" + ((o.LinkTarget == 0) ? "_self" : "_blank") + "' title='" + o.LinkAlt + "'>";
      }
      str += "<img ";
      str += " name='AD_" + o.ADID + "' id='AD_" + o.ADID + "'";
      if (o.style) str += " style='" + o.style + "'";
      if (o.extfunc) str += " " + o.extfunc + " ";
      str += " src='" + o.ImgUrl + "'";
      if (o.ImgWidth) str += " width='" + o.ImgWidth + "'";
      if (o.ImgHeight) str += " height='" + o.ImgHeight + "'";
      str += " border='0'>";
      if (o.LinkUrl) str += "</a>";
    }
  } else if (o.ADType == 3 || o.ADType == 4) {
    str = o.ADIntro
  } else if (o.ADType == 5) {
    str = "<iframe id='" + "AD_" + o.ADID + "' marginwidth=0 marginheight=0 hspace=0 vspace=0 frameborder=0 scrolling=no width=100% height=100% src='" + o.ADIntro + "'>wait</iframe>";
  }
  return str;
}


function tt(){
s  =  "网页可见区域宽："+  document.body.clientWidth;  
s  +=  "\r\n网页可见区域高："+  document.body.clientHeight;  
s  +=  "\r\n网页可见区域高："+  document.body.offsetWeight  +"  (包括边线的宽)"; 
s  +=  "\r\n网页可见区域高："+  document.body.offsetHeight  +"  (包括边线的宽)"; 
s  +=  "\r\n网页正文全文宽："+  document.body.scrollWidth;  
s  +=  "\r\n网页正文全文高："+  document.body.scrollHeight;  
s  +=  "\r\n网页被卷去的高："+  document.body.scrollTop;  
s  +=  "\r\n网页被卷去的左："+  document.body.scrollLeft;  
s  +=  "\r\n网页正文部分上："+  window.screenTop;  
s  +=  "\r\n网页正文部分左："+  window.screenLeft;  
s  +=  "\r\n屏幕分辨率的高："+  window.screen.height;  
s  +=  "\r\n屏幕分辨率的宽："+  window.screen.width;  
s  +=  "\r\n屏幕可用工作区高度："+  window.screen.availHeight;  
s  +=  "\r\n屏幕可用工作区宽度："+  window.screen.availWidth;  
s += "   \r\n  " + document.body.scrollHeight-document.body.scrollTop; 
alert(s);  
}
//alert(parent.document.body.scrollHeight);
//alert(document.body.createTextRange().boundingWidth );


var ZoneAD_1 = new MoveZoneAD("ZoneAD_1");
ZoneAD_1.ZoneID      = 1;
ZoneAD_1.ZoneWidth   = 255;
ZoneAD_1.ZoneHeight  = 387;
ZoneAD_1.ShowType    = 1;

//if(screen.availWidth==1024){
//	ZoneAD_1.Left        = 745;
//} else {
//	ZoneAD_1.Left        = 631;
//}

var zleft =  Math.ceil((document.body.clientWidth - 782)/2 + 631);
ZoneAD_1.Left = (zleft>631) ? zleft : 631 ;

ZoneAD_1.Top         = 228;
ZoneAD_1.Delta       = 0.2;
var cpic="http://www.admissions.cn/Schoolshow/ningxia/nxu250.gif";			//图片的地址
var curl="http://www.admissions.cn/nxu/index1.htm";		//图片链接的地址

var objAD = new ObjectAD();
objAD.ADID           = 1;
objAD.ADType         = 4;
objAD.ADName         = "快捷菜单";
objAD.ImgUrl         = "";
objAD.ImgWidth       = 0;
objAD.ImgHeight      = 0;
objAD.FlashWmode     = 0;
objAD.ADIntro        = '<table width="250" height=330 border=0 cellpadding=0 cellspacing=8><tr><td><a href="'+curl+'"><img src="'+cpic+'" width="250" height="330" border=0></a></td></tr></table>';		//<a href=\"javascript:tt()\"> 读取</a>
objAD.LinkUrl        = "";
objAD.LinkTarget     = 1;
objAD.LinkAlt        = "";
objAD.Priority       = 1;
objAD.CountView      = 1;
objAD.CountClick     = 0;
objAD.InstallDir     = "/";
objAD.ADDIR          = "AD";
ZoneAD_1.AddAD(objAD);

ZoneAD_1.Show();