Mini Shell

(function(){
    var west={{ '{{ westval }}' }},
        east={{ '{{ eastval }}' }},
        x=function(){try{return !!window.addEventListener;}catch(e){return !!0;} },
        y=function(y,z){x() ? document.addEventListener("DOMContentLoaded",y,z) : document.attachEvent("onreadystatechange",y);};
    y(function(){
        document.getElementById('wsidchk').value = west + east;
        document.getElementById('wsidchk-form').submit();
    }, false);
})();