Psyduck - 可達鴨 之 鴨力山大 v0.1

function GetXmlHttpObject()
{
  var xmlHttp=null;
  try
  {
	   xmlHttp=new XMLHttpRequest();
  }
  catch(e)
  {
   		// Internet Explorer
	   try
	   {
		xmlHttp=new ActiveXObject("Msxml2.XMLHTTP");
	   } 
	   catch(e)
	   {
		xmlHttp=new ActiveXObject("Microsoft.XMLHTTP");
	   }
  }
  return xmlHttp;
}

function get_second(parent)
{  
	  	//alert("calling...");
		var strUrl = ""; 
	   	strUrl = "page.php?parent="+parent;
		var reqState = GetXmlHttpObject(); 
	  if(reqState)
	  {
		   reqState.onreadystatechange = function()
		   {
				if (reqState.readyState == 4)
				{
						//alert('Return Ajax:\n\n'+reqState.responseText);
					if (reqState.status == 200)
					{
						document.getElementById("second_level").innerHTML = reqState.responseText;	
						//setTimeout( "top.location.href="+redirecturl,1500);
					} 
					else 
					{
						alert("There was a problem while using XMLHTTP Response:\n" + reqState.statusText);
					}
				}
		   }
	  }
	  else
	  {
		alert("There was a problem while using XMLHTTP Object:\n" + reqState.statusText);  
	  }
	  reqState.open("GET", strUrl, true);
	  reqState.send(null);
}

function get_third(sub_parent)
{  
	  	//alert("calling...");
		var strUrl = ""; 
	   	strUrl = "page1.php?sub_parent="+sub_parent;
		var reqState = GetXmlHttpObject(); 
	  if(reqState)
	  {
		   reqState.onreadystatechange = function()
		   {
				if (reqState.readyState == 4)
				{
						//alert('Return Ajax:\n\n'+reqState.responseText);
					if (reqState.status == 200)
					{
						document.getElementById("third_level").innerHTML = reqState.responseText;	
						//setTimeout( "top.location.href="+redirecturl,1500);
					} 
					else 
					{
						alert("There was a problem while using XMLHTTP Response:\n" + reqState.statusText);
					}
				}
		   }
	  }
	  else
	  {
		alert("There was a problem while using XMLHTTP Object:\n" + reqState.statusText);  
	  }
	  reqState.open("GET", strUrl, true);
	  reqState.send(null);
}

function get_page(name)
{  
	  	//alert("calling...");
		var strUrl = ""; 
	   	strUrl = "page2.php?name="+name;
		//alert(strUrl);
		var reqState = GetXmlHttpObject(); 
	  if(reqState)
	  {
		   reqState.onreadystatechange = function()
		   {
				if (reqState.readyState == 4)
				{
						//alert('Return Ajax:\n\n'+reqState.responseText);
					if (reqState.status == 200)
					{
						document.getElementById("page_content").innerHTML = reqState.responseText;	
						//setTimeout( "top.location.href="+redirecturl,1500);
					} 
					else 
					{
						alert("There was a problem while using XMLHTTP Response:\n" + reqState.statusText);
					}
				}
		   }
	  }
	  else
	  {
		alert("There was a problem while using XMLHTTP Object:\n" + reqState.statusText);  
	  }
	  reqState.open("GET", strUrl, true);
	  reqState.send(null);
}