unitpngfix javascript:Void(0) error not allowing to show page with https(securely)

I have a problem with the 开发者_运维知识库below one. This Javascript:void(0) is stopping me from showing the page securely with https. What is it actually? I have no idea about javascript. Please help me out!

Thanks alot!

var clear="js/clear.gif"; //path to clear.gif

document.write('<script type="text/javascript" id="ct" defer="defer" src="javascript:void(0)"><\/script>')

This file has the name js/unitpngfix.js*...i tried to see if it is being used anywhere. Yes, it is being used and all the pages that use this will not be shown as https. In the Master page, it was used like this

unitpngfix does not allow you to show pages securely if javascript:void(0) is used. Instead i took off javascript:void(0) off the code.

At least my problem is solved! Thanks for your time guys!