// Basic isset
function isset(varname){
	return(typeof(window[varname])!='undefined');
}

// Basic isArray
function isArray(obj) {
  return obj.constructor.toString().indexOf("Array") == -1;
}

// Used for event tracking with google 
// Allows us to implement tracking before it is asked for
function track(x, y, z) {
	if(isset("pageTracker")) {
		pageTracker._trackEvent(x, y, z);
	}
}

function print_r(arr,level) {
	var dumped_text = "";
	var level_padding = "";
	if(!level) {
		level = 0;
	}
	for(var j=0;j<level+1;j++) {
		level_padding += "    ";
	}

	if(typeof(arr) == 'object') {
		for(var item in arr) {
			var value = arr[item];
	 		if(typeof(value) == 'object') {
				dumped_text += level_padding + "'" + item + "' ...\n";
				dumped_text += dump(value,level+1);
			} else {
				dumped_text += level_padding + "'" + item + "' => \"" + value + "\"\n";
			}
		}
	} else {
		dumped_text = "===>"+arr+"<===("+typeof(arr)+")";
	}
	return dumped_text;
}