(function($) {
  
  	// borrowed from jQuery (no deep, bad fake object detection)
  	$.ender({extend: function() {
  		var options, name, src, copy, 
  			target = arguments[0] || {},
  			i = 1,
  			length = arguments.length;	
  
  		// Handle case when target is a string or something (possible in deep copy)
  		if ( typeof target !== "object" && typeof target !== "function" ) {
  			target = {};
  		}
  
  		for ( ; i < length; i++ ) {
  			// Only deal with non-null/undefined values
  			if ( (options = arguments[ i ]) != null ) {
  				// Extend the base object
  				for ( name in options ) {
  					src = target[ name ];
  					copy = options[ name ];
  
  					// Prevent never-ending loop
  					if ( target === copy ) {
  						continue;
  					}
  
  					if ( copy !== undefined ) {
  						target[ name ] = copy;
  					}
  				}
  			}
  		}
  
  		// Return the modified object
  		return target;		
  	}});
  
  	// outerWidth
  	$.ender({outerWidth: function(margin) {
  		var fp = parseFloat;
  		return fp(this.width()) 
  				+ (margin ? fp(this.css('margin-left')) + fp(this.css('margin-right')) : 0)
  				+ fp(this.css('padding-left'))+ fp(this.css('padding-right'))
  				+ fp(this.css('border-left-width')) + fp(this.css('border-right-width'))					
  				;
  	}}, true);
  
  })(ender);