any one can help or guide me for " How to fix PNG alpha transparency in Internet Explorer 6?"
There seems to be a number
There seems to be a number of ways to do this. Just google for "png alpha ie6" and the first 5 results should be very helpful. I have no experience in using these workaround so I will not even try to guide you.
Hope you find something that works!
The most common way to fix
The most common way to fix the alpha transparency problem in IE6 is to use the Microsoft AlphaImageLoader filter and feed it to IE6 only using conditional comments (depending on what your stance is regarding conditional comments). Here are a couple of ways to apply it: http://css-tricks.com/the-different-techniques-for-applying-the-png-hack/
There are a number of png
There are a number of png fixes out there, but they all work differently depending on where your png image is being called in from (HTML vs CSS) and whether it's tiling or not.
Here's a good one for images being placed in the HTML
Here's a good one for both tiled and non tiled images in the CSS
The tiling isn't true
Strictly all the methods work the same, they apply the filter alpha image loader transform as mentioned in the first reply. They differ in the manner which they choose to automate that change.
The tiling isn't true tiling, but stretching, so it only works like tiling for images 1 pixel wide in the repeated direction.