/* app.js version of the latest refapps */





var appbase = (function(jQuery){





  if (!jQuery) {


    alert('Missing jQuery Library');


    return null;


  }


  


  return {


	  


    util : {


	    // disables browser auto completion for the given element


	    disableAutoComplete : function(elemId) {


	      jQuery("#"+elemId).attr("autocomplete", "off");


	    },


	


	    // trims a prefix from a given string, this can be used to trim


	    // a certain prefix from DOM element IDs for further processing on the ID


	    trimPrefix : function(str, prefix) {


	      return str.substring(prefix.length);


	    },


	


	    // appends the parameter with the given name and


	    // value to the given url and returns the changed url


	    appendParamToURL : function(url, name, value) {


	      var c = "?";


	      if(url.indexOf(c) != -1) {


	        c = "&";


	      }


	      return url + c + name + "=" + encodeURIComponent(value);


	    },


	


	    // dynamically loads a CSS file


	    loadCSSFile : function(url) {


	      var elem = document.createElement("link");


	      elem.setAttribute("rel", "stylesheet");


	      elem.setAttribute("type", "text/css");


	      elem.setAttribute("href", url);


	


	      if(typeof elem != "undefined") {


	        document.getElementsByTagName("head")[0].appendChild(elem);


	        appbase.util.loadedCSSFiles.push(url);


	      }


	    },


	


	    // array to keep track of the dynamically loaded CSS files


	    loadedCSSFiles : [],


	


	    // removes all dynamically loaded CSS files


	    clearDynamicCSS : function() {


	      for(var i=0; i<appbase.util.loadedCSSFiles.length; i++) {


	        appbase.util.unloadCSSFile(appbase.util.loadedCSSFiles[i]);


	      }


	    },


	


	    // dynamically unloads a CSS file


	    unloadCSSFile : function(url) {


	      var candidates = document.getElementsByTagName("link");


	      for(var i=candidates.length; i>=0; i--) {


	        if(candidates[i] && candidates[i].getAttribute("href") != null && candidates[i].getAttribute("href").indexOf(url) != -1) {


	          candidates[i].parentNode.removeChild(candidates[i]);


	        }


	      }


	    },


	


	    // checks if cookies are enabled


	    cookiesEnabled : function() {


	      var currentCookie = document.cookie;


	      document.cookie = "Enabled=true";


	      var cookieValid = document.cookie;


	      var result = false;


	


	      if(cookieValid.indexOf("Enabled=true") != -1) {


	        result = true;


	      }


	


	      document.cookie = currentCookie;


	      return result;


	    }


	  }    


  }


})(jQuery);