function Ajax() 
{
    var request = false;
        try {
            request = new ActiveXObject('Msxml2.XMLHTTP');
        }
        catch (err2) {
            try {
                request = new ActiveXObject('Microsoft.XMLHTTP');
            }
            catch (err3) {
		try {
			request = new XMLHttpRequest();
		}
		catch (err1) 
		{
			request = false;
		}
            }
        }
    return request;
}
function postPara(mydata,showid,url){  //load data to page
	 //alert('xxx');
     var loadajax=Ajax();   
     loadajax.onreadystatechange=function(){  
		
		if(loadajax.readyState==3){
			//document.getElementById(showid).innerHTML = "Now is Loading...";
		}

         if(loadajax.readyState==4 && loadajax.status==200){  
             document.getElementById(showid).innerHTML=loadajax.responseText;  
         }else{  
            return false;  
         }  

     }  
     loadajax.open("POST",url,true);  
     loadajax.setRequestHeader("Content-Type", "application/x-www-form-urlencoded");   
     loadajax.send(mydata);  
 }  


  function getPara(mydata,showid,url){  //load data to page
	 //alert('xxx');
     var loadajax=Ajax();   
     loadajax.onreadystatechange=function(){  
		
		if(loadajax.readyState==3){
			document.getElementById(showid).innerHTML = "Now is Loading...";
		}

         if(loadajax.readyState==4 && loadajax.status==200){  
             document.getElementById(showid).innerHTML=loadajax.responseText;  
         }else{  
            return false;  
         }  

     }  
     loadajax.open("GET",url,true);  
     loadajax.setRequestHeader("Content-Type", "application/x-www-form-urlencoded");   
     loadajax.send(null);  
 }  


function loaddoc(module,divid,mypara){ //load data to page
	//alert(mypara);
var loadajax=Ajax();
	loadajax.onreadystatechange=function(){  
	      if(loadajax.readyState ==4){
			   if (loadajax.status == 200)
			   {
				   var data = loadajax.responseText;
				   document.getElementById(divid).innerHTML= data;
			   }
		  }
	}
     loadajax.open("POST",module,true);  
     loadajax.setRequestHeader("Content-Type", "application/x-www-form-urlencoded");   
     loadajax.send(mypara);  

}