How change the _level onPress?

1

[FONT=Georgia]my code for drag the movieclip:[/FONT]


        /* iniciar drag */
        blog.dragit.onPress = function() {
            blog.alphaTo(70,1);
            blog.startDrag();
        }
        blog.dragit.onRelease = blog.dragit.onReleaseOutside = function() {
            blog.alphaTo(100,1);
            blog.stopDrag();
        }
        /* stop drag */

[FONT=Georgia]When i have two movieclip and Press and drag one, this may stay one level up the other, and if i click in second movieclip and drag up to the first, the second now may stay up one level …
Anyone has the idea how to make it dynamic?

Tks in advance[/FONT]