var optall = jQuery.speed(speed, easing, callback);
 
                return this[ optall.queue === false ? "each" : "queue" ](function(){
-                       if ( this.nodeType != 1)
-                               return false;
-
+               
                        var opt = jQuery.extend({}, optall), p,
-                               hidden = jQuery(this).is(":hidden"), self = this;
-
+                               hidden = this.nodeType != 1 ? false : jQuery(this).is(":hidden"), self = this;
+       
                        for ( p in prop ) {
                                if ( prop[p] == "hide" && hidden || prop[p] == "show" && !hidden )
                                        return opt.complete.call(this);
 
        // Get the current size
        cur: function(force){
-               if ( this.elem[this.prop] != null && this.elem.style[this.prop] == null )
+               if ( this.elem[this.prop] != null && (!this.elem.style || this.elem.style[this.prop] == null) )
                        return this.elem[ this.prop ];
 
                var r = parseFloat(jQuery.css(this.elem, this.prop, force));
                },
 
                _default: function(fx){
-                       fx.elem.style[ fx.prop ] = fx.now + fx.unit;
+                       ( fx.elem.style && ( fx.elem.style[ fx.prop ] = fx.now + fx.unit ) ) || ( fx.elem[ fx.prop ] = fx.now );
                }
        }
 });