(function(){ // Import GET Vars
   document.$_GET = [];
   var urlHalves = String(document.location).split('?');
   if(urlHalves[1]){
      var urlVars = urlHalves[1].split('&');
      for(var i=0; i<=(urlVars.length); i++){
         if(urlVars[i]){
            var urlVarPair = urlVars[i].split('=');
            var getstring = getstring + urlVarPair[1] + ",";
         }
		 var categories = getstring.split('undefined');
		 var strLen = categories[1].length;
		 categories = categories[1].slice(0,strLen-1);
		 document.$_GET[urlVarPair[0]] = categories;
      }
   }
})();