try {//·ÀÖ¹IEÖظ´ÔØÈëÒ³Ãæ±³¾°Í¼Æ¬        
    document.execCommand("BackgroundImageCache", false, true);
} catch(err) {

}

function SetCwinHeight(obj)
{
  var cwin=obj;
  if (document.getElementById)
  {
    if (cwin && !window.opera)
    {
      if (cwin.contentDocument && cwin.contentDocument.body.offsetHeight)
        cwin.height = cwin.contentDocument.body.offsetHeight; 
      else if(cwin.Document && cwin.Document.body.scrollHeight)
        cwin.height = cwin.Document.body.scrollHeight;
    }
  }
}
function WarpClassArticle(eID,tID,fID,ev)
{
  var eObj = document.getElementById(eID);
  var tObj = document.getElementById(tID);
  var fObj = document.getElementById(fID);
  if (eObj && tObj)
  {
    if (!tObj.style.display || tObj.style.display == "block")
    {
      tObj.style.display = "none";
      eObj.className = "WarpArticle";
      if (fObj) 
        fObj.style.display = "none";
    }
    else
    {
      tObj.style.display = "block";
      eObj.className = "UnWarpArticle";
      if (ev) 
        eval(ev);
      if (fObj) 
        fObj.style.display = "block";
    }
  }
}

function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}
function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_swapImage() { //v3.0
    var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
    if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}

function getURL(){
    var url = "http://vip1.sentree.com.cn";
    var rand = parseInt(Math.random()*4+1);
    if(rand == 1)
        url = "http://vip1.sentree.com.cn";
    if(rand == 2)
        url = "http://vip1.sentree.com.cn";
    if(rand == 3)
        url = "http://vip1.sentree.com.cn";
    if(rand == 4)
        url = "http://vip2.sentree.com.cn";
    return url;
}

function openShopAdminWindow(){
    if(window.name != "SentreeFullScreen"){	      
        var url = getURL()+"/login.jsp"		
        var newWindow = open(url, "SentreeFullScreen", "menubar=no,location=no,toolbar=no,status=yes, width = " + screen.width + ", height = " + screen.height);        
        newWindow.focus();
    }else{
        location.replace(url);
    }
}

function openEmployeeWindow(){
    if(window.name != "EmployeeFullScreen"){        
        var url = getURL()+"/login_e.jsp"		
        var newWindow = open(url, "EmployeeFullScreen", "menubar=no,location=no,toolbar=no,status=yes, width = " + screen.width + ", height = " + screen.height);        
        newWindow.focus();
    }else{
        location.replace(url);
    }
}