function setMenuView(whichMenu) {
// This function will set the correct menu items
//    based on the query string
	if (whichMenu != null && whichMenu !="") {
		//If we are in here, it should be a valid menu

    //This displays the correct <ul>, since they are all
    //  (lunch/dinner/drinks) actually within the page
      $$('ul.'+ whichMenu).invoke('show');

    // This will highlight the correct navigation item
      $(whichMenu+'Img').setStyle({
      	display:'block'
      });
      /* cool code I might use later
      var myObject = {};
      $$('ul.'+ whichMenu).each(function(name, index) {
       this[name] = index;
       name.show;
      }, myObject); 
      */
	} else {
		document.write("<!--something bad happened with the query string-->");
   }
}
function PageQuery(q) {
   if(q.length > 1) this.q = q.substring(1, q.length);
   else this.q = null;
   this.keyValuePairs = new Array();
   if(q) {
      for(var i=0; i < this.q.split("&").length; i++) {
         this.keyValuePairs[i] = this.q.split("&")[i];
      }
   }
   this.getKeyValuePairs = function() { return this.keyValuePairs; }
   this.getValue = function(s) {
      for(var j=0; j < this.keyValuePairs.length; j++) {
         if(this.keyValuePairs[j].split("=")[0] == s)
         return this.keyValuePairs[j].split("=")[1];
      }
      return false;
   }
   this.getParameters = function() {
      var a = new Array(this.getLength());
      for(var j=0; j < this.keyValuePairs.length; j++) {
         a[j] = this.keyValuePairs[j].split("=")[0];
      }
      return a;
   }
      this.getLength = function() { return this.keyValuePairs.length; }
}

function queryString(key){
   var page = new PageQuery(window.location.search);
   return unescape(page.getValue(key));
}
function displayItem(key){
   if(queryString(key)=='false' || (queryString(key)!='lunch' && queryString(key)!='dinner' && queryString(key)!='drinks'))
   {
      //If there is no query string, it will display the lunch menu
      setMenuView("lunch");
   }else{
      //There was a query string, and now we will display the appropriate menu
      setMenuView(queryString(key));
   }
}


/************************************
**  This function is only used on the
**  drinks page.  It displays the 
**  description of each beer in the 
**  appropriate window.
************************************/
function showSpecialtyDesc(myObj) {
   if (myObj == "clear") {
      $("pDrinksDescBlk").innerHTML = ""
      $("pDrinksDescBlk").style.background = "none";
      return;
   } else {
      $("pDrinksDescBlk").innerHTML = $(myObj).down().innerHTML;
      $("pDrinksDescBlk").style.background = "url(../images/pDrinksSpecDescriptionBkg.jpg) no-repeat";
      return;
   }
   
}