var WTScriptRequest;
var WTScript;
function getMeta(metaName){
    var metas;
    if (document.all){
      metas=document.all.tags("meta");
    }
    else if (document.documentElement){
      metas=document.getElementsByTagName("meta");
    }
    var resultMeta;
    if (typeof(metas) != "undefined"){
        for (var i = 0; i < metas.length; i++){
            var meta = metas.item(i);
            if (meta.name){
                if (meta.name == metaName){
                    resultMeta = meta;
                    break;
                }
            }
        }
    }
    return resultMeta;
}

function setMeta(metaName, metaValue){
    var meta = getMeta(metaName);
    if (!meta){
        meta = document.createElement("meta");
        meta.name = metaName;
    }
    meta.content = metaValue;
}

function invokeWTScript(){
    if (!WTScript){
        WTScriptRequest = getXMLHttpRequest();
        WTScriptRequest = doGetRequest(WTScriptRequest, "/eshop/content/js/tracking_script_2.js", true, "getWTScriptHandler();");
    }
}

function getWTScriptHandler(){
    if (WTScriptRequest.readyState == 4) {
        if (WTScriptRequest.status == 200) {
            var WTScriptStr = "WTScript = function(){" +
                    WTScriptRequest.responseText +
                    "}";
            eval(WTScriptStr.replace(/(.*)(\<!--.*--\>)/g, '$1').replace(/(^[\/]{2}[^\n]*)|([\n]{1,}[\/]{2}[^\n]*)/g,''));
            if (WTScript){
                WTScript();
            }
        }
    }
}