ajax实现标签导航_jquery

主要函数:
[复制此代码]CODE:
<!–
function getObject(objectId) {
     if(document.getElementById && document.getElementById(objectId)) {
    // W3C DOM
       return document.getElementById(objectId);
     } 
     else if (document.all && document.all(objectId)) {
    // MSIE 4 DOM
       return document.all(objectId);
     } 
     else if (document.layers && document.layers[objectId]) {
    // NN 4 DOM.. note: this won’t find nested layers
       return document.layers[objectId];
     } 
     else {
       return false;
    }
} 
var responsecont;
var xmlHttp;
var requestType;
var newsstring;
function CreateXMLHttpRequest(){
   // Initialize Mozilla XMLHttpRequest object
   if (window.XMLHttpRequest){
       xmlHttp = new XMLHttpRequest();
   } 
   // Initialize for IE/Windows ActiveX version
   else if (window.ActiveXObject) {
       try{
            xmlHttp = new ActiveXObject(“Msxml2.XMLHTTP.3.0”);
       } 
       catch (e){
            try{
                xmlHttp = new ActiveXObject(“Microsoft.XMLHTTP”);
            }
            catch (e){newsstring = “<div class=’loading’>Loading rquest content fail, Please try it again latter…</div>”;}
       }
   }
}
function getnews(tagid,x){
   var url = tagid+’_’+x+’.htm’;
   var loadstatustext=”<div class=’loading’><img src=’http://www.gaodaima.com/Info/images/loading.gif&#8217; /> Loading request content, please wait…</div>”;
   requestType = tagid;
   CreateXMLHttpRequest();   
   getObject(requestType+’_cnt’).innerhtml = loadstatustext;
   xmlHttp.onreadystatechange = processRequestChange;
   xmlHttp.open(“GET”, url, true);
   xmlHttp.setRequestHeader(“If-Modified-Since”,”0″);
   xmlHttp.send(null);  
}
function processRequestChange(){
   // only if xmlHttp shows “complete”
   if (xmlHttp.readyState == 4){
      // only http 200 to process
      if (window.location.href.indexOf(“http”)==-1 || xmlHttp.status == 200){
         newsstring = xmlHttp.responseText;
         //inject centent to tab-pane
            shownews(requestType,newsstring);
      }
   }
}
function shownews(requestType,newsstring){
//<![CDATA[
    responsecont = getObject(requestType+’_cnt’);
    responsecont.innerHTML = newsstring;
//]]>
}
function TabNews(tagid,x){
    for (var i=1;i<=7;i+=2) {
         if (i == x) {
            getObject(tagid+i).className=”tabactive”+i;
            if(i!=1){
               getObject(tagid+(i-1)).style.display=”none”;               
               if(i!=7){
                  getObject(tagid+(i+1)).style.display=”none”;
               }                 
            }
            if(i==1){
               getObject(tagid+”2″).style.display=”none”;
            } 
            try{            
               getnews(tagid,i);
            }
            catch(e){
               alert(e);
            }  
        }
        else
        {
            getObject(tagid+i).className=””;            
            if(i!=7){
               getObject(tagid+(i+1)).style.display=”block”;
            }             
        }         
   }
}
//–>

调用方法:
[复制此代码]CODE:<li style=”cursor:pointer” id=”tab3″ >最新折扣信息</li>

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