//上一頁
function urllink()
{
	history.go(-1)
}

//建立函數
function createXMLHTTP(){
	var request;
	var browser = navigator.appName;
	//使用IE，則使用XMLHTTP物件
	if(browser == "Microsoft Internet Explorer") {
		var arrVersions = ["Microsoft.XMLHttp", "MSXML2.XMLHttp.4.0", "MSXML2.XMLHttp.3.0", "MSXML2.XMLHttp","MSXML2.XMLHttp.5.0"];
    	for (var i=0; i < arrVersions.length; i++){
			try{
				//從中找到一個支援的版本並建立XMLHTTP物件
				request = new ActiveXObject(arrVersions[i]); 
				return request;
			} catch (exception){
				//忽略，繼續
			}
		}
	} else {
		//否則返回一個XMLHttpRequest物件
		request = new XMLHttpRequest(); 
		if(request.overrideMimeType){
			request.overrideMimeType('text/html');
		}
		return request;
	}   
}

var http_request = createXMLHTTP();

//請求函數
function makeRequest(url) {
	http_request.open('GET', url, false); 
	http_request.onreadystatechange = processRequest; 
	//禁止IE緩存
	http_request.setRequestHeader("If-Modified-Since","0"); 
	//發送資料
	http_request.send(null);
	//$.unblockUI();
}

//處理回應
function processRequest() { 
	if(http_request.readyState == 4){
		if(http_request.status == 0 || http_request.status == 200){
			var CartText = http_request.responseText;
			if(CartText==""){
				CartText="購物資訊取得失敗";
			}else{
				document.getElementById("ShowSmallCart").style.display="block";
				document.getElementById("ShowSmallCart").style.backgroundColor="#B0D1AB";
				var SearchResult= CartText.search(/##/);
				if (SearchResult==-1){
					document.getElementById("ShowSmallCart").innerHTML=CartText;
				} else {
					CartText.replace(/##/,'');
					alert(CartText);
				}
			}
		}else{
		//http_request.status != 200
			alert("查無購物車資訊!");
		}
	}
}