To control Window Media Player using slider ....( Javascript)

[svcpp]

Hi,

( Doing a Program using JavaScript and Html using Visaul InterDev Editor)
Want to control the position Window Media Player 7.1 using a Slider Control.
i) Getting Total Time duration of Movie(Playing on Media Player)
ii) Calculating percentage of time according to MAX value of Slider
( MAX value is 100)
iii) On Change Event of Slider changing CurrentPosition of Media
Player

The problem is after changing to new position its not playing stuck on that position .

Pls help ??

Regards
SK