///Òì²½´«Êä
function GetO(){
    var xmlHttp;
   try 
	{
		xmlHttp = new XMLHttpRequest();
	} 
	catch (trymicrosoft) 
	{
		try 
		{
			xmlHttp = new ActiveXObject("Msxml2.XMLHTTP");
		} 
		catch (othermicrosoft) 
		{
			try 
			{
				xmlHttp = new ActiveXObject("Microsoft.XMLHTTP");
			} 
			catch (failed) 
			{
				xmlHttp = false;
			}
		}
	}

	if ( xmlHttp == null)
	{
		throw new Error("XMLHttpRequest Init Error!");
		return null;
	}
	else
	{
		return xmlHttp ;
	}
}
var ajax = GetO();

function getAjaxHTML(serverPage) { 

    ajax.open("GET", serverPage, true); 
    var result="" ; 
    
    ajax.onreadystatechange = function() { 
  
        if (ajax.readyState == 4)
         {                                 
                result = ajax.responseText; 
                       																   																		           			               
        } 
    } 
   ajax.send(null);
   return result;
} 
function getAjaxHTML2(serverPage) { 

    ajax.open("GET", serverPage, true); 
    var result="" ; 
    
    ajax.onreadystatechange = function() { 
  
        if (ajax.readyState == 4)
         {                                 
                result = ajax.responseText; 
                     																   																		           			               
        } 
    } 
   ajax.send(null);
  
   return result;
} 
function getAjaxHTML3(serverPage) { 

    ajax.open("GET", serverPage, true); 
    var result="" ; 
    
    ajax.onreadystatechange = function() { 
  
        if (ajax.readyState == 4)
         {     
                result = ajax.responseText; 
                       																   																		           			               
        } 
    } 
    alert(result);
   ajax.send(null);
   return result;
}