I wish to have a similar effect to jQuery slidedown but without using jQuery or any other libary. I know it\'s \"possible\" as anything in jQuery can be don
The problem with the earlier answers is you need to know the height before you start. Many times you do not. I built a slid down the you first build a holder div, put the object to ge the slide down inside set the display of the object to block and get the height and use this for the sind. When the side is finished the holder is rmoved do the slide down when done remove it. below is the example.
slide Up
slide down