Parses the URL Query String in Javascript

getQueryVariable.js

function getQueryVariable(qvar) {
    var query = window.location.search.substring(1);
    var vars = query.split("&");
    var len = vars.length;
    for (var i=0;i<len;i++) {
           var kv = vars[i].split("=");
           if(kv[0] == qvar){return kv[1];}
   }
   return(false);
}