/*
* Provides common support functions for Lab pages
*/
(function($) {
	jQuery.fn.formatForDisplay = function() {
	  if (this.size()==0) return "<em>wrapped set is empty</em>"
	  var text = '';
	  this.each(function(){
	    text += '<div>' + this.tagName;
	    if (this.id) text += '#' + this.id;
	    text += '</div>';
	  });
	  return text;
	}

	jQuery.toSource = function(target) {
	   if (typeof target.toSource !== 'undefined' && typeof target.callee === 'undefined') {
	      return target.toSource().slice(1,-1);
	   }
	   switch (typeof target) {
	      case 'number':
	      case 'boolean':
	      case 'function':
	         return target;
	         break;
	      case 'string':
	         return '\'' + target + '\'';
	         break;
	      case 'object':
	         var result;
	         if (target instanceof Date) {
	            result = 'new Date('+target.getTime()+')';
	         }
	         else if (target.constructor === Array || typeof target.callee !== 'undefined') {
	            result = '[';
	            var i, length = target.length;
	            for (i = 0; i < length-1; i++) { result += $.toSource(target[i]) + ','; }
	            result += $.toSource(target[i]) + ']';
	         }
	         else {
	            result = '{';
	            var key;
	            for (key in target) { result += key + ':' + $.toSource(target[key]) + ','; }
	            result = result.replace(/\,$/, '') + '}';
	         }
	         return result;
	         break;
	      default:
	         return '?unsupported-type?';
	         break;
	   }
	}
})(jQuery);