- // Store display property
- var oldDisplay = jQuery.css(elem, 'display');
- // Set display property to block for animation
- y.display = "block";
- // Make sure that nothing sneaks out
- y.overflow = "hidden";
+ if ( prop == "height" || prop == "width" ) {
+ // Store display property
+ var oldDisplay = jQuery.css(elem, "display");
+
+ // Make sure that nothing sneaks out
+ var oldOverflow = y.overflow;
+ y.overflow = "hidden";
+ }