// JavaScript Document
var xmlHttpGetImage;
function createXMLHttpRequestImage(){
	if(window.ActiveXObject){
	   xmlHttpGetImage = new ActiveXObject("Microsoft.XMLHTTP");
	}else if(window.XMLHttpRequest){
	   xmlHttpGetImage = new XMLHttpRequest();
	}
}
function createQueryStringImage(){
	var imagewhere = document.getElementById("imagewhere").value;
	var queryString = "imagewhere="+imagewhere;
	return queryString;
}
function doRequestPostImage(){
	createXMLHttpRequestImage();
	var url = "/getimage/do.php?";
	var queryString = createQueryStringImage();
	xmlHttpGetImage.open("POST",url,true);
	xmlHttpGetImage.onreadystatechange = handlestatechangeImage;
	xmlHttpGetImage.setRequestHeader("Content-Type","application/x-www-form-urlencoded");
	xmlHttpGetImage.send(queryString);
}
function handlestatechangeImage(){
	var responseDiv=document.getElementById("echoimage");
	if(xmlHttpGetImage.readyState == 4){
	   if(xmlHttpGetImage.status == 200){ 
	     responseDiv.innerHTML = xmlHttpGetImage.responseText;
	   }else{
	     responseDiv.innerHTML = xmlHttpGetImage.statusText;
	   }
	}else{
	   responseDiv.innerHTML = "正在提交数据...";
	}
}