function createXMLHttpRequestObject()

{

    var xmlHttp;

    try{

        xmlHttp = new XMLHttpRequest(); 

    } catch(e) {

    var IE = new Array(

        "MSXML2.XMLHTTP.6.0",

        "MSXML2.XMLHTTP.5.0",

        "MSXML2.XMLHTTP.4.0",

        "MSXML2.XMLHTTP.3.0",

        "MSXML2.XMLHTTP",

        "Microsoft.XMLHTTP"

        );

        

        for (var i=0; i<IE.length && !xmlHttp; i++){

            try {

                xmlHttp = new ActiveXObject(IE[i]);

            }catch (e){} 

        }

    }    

    return xmlHttp;

}



function getProdId() { 

    var PARAMTER_VALUE = new Array();    

    var paramStr = location.search.substring(1);    

    var paramArr = paramStr.split("&");    

    var len = paramArr.length;    

    var tempArr;    

    for(var i = 0; i < len; i++) {    

        tempArr = paramArr[i].split("=");    

        PARAMTER_VALUE[tempArr[0].toUpperCase()] = tempArr[1];    

    }        

    return PARAMTER_VALUE["PROD_NO"];

}   



function doClick(prod)

{

    var sURL = "http://www.startravel.com.tw/StarTravel.URL.ProdClick/Click.aspx?KEY=" + prod;

    

    var myxmlHttp = createXMLHttpRequestObject();

    if (myxmlHttp) {

        myxmlHttp.open("POST", sURL, false);

        myxmlHttp.send(null);   

    }

    return sURL;

}