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DOCTYPES are killing my career

Hello, I am having some doctype trouble.  I'm trying to impliment a lightbox effect which requires a doctype of at least: <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> 

The page currently uses a doctype of <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">  

I admit I am a little unclear about which doctype to use for which situation, but when I change the doctype to the one that includes the link to loose.dtd, the formatting of my webpage becomes quite odd - I believe this is due to the way stylesheets are applied under different doctypes.  What I am trying to determine is if there is a doctype that will give me the best of both worlds.  The behavior with the loose.dtd link breaks in both Mozilla and IE 7 (not tested on any other browsers) but everything works like a charm (except the new lightbox stuff) when the loose.dtd part of the doctype is missing.  

Please help!!

1 Solution
When you do not include the link to the standard declaration, then it is the same as no doctype - your browser enters quirks mode.

In quirks mode a browser can choose how to display the page - it does not have to follow any standards or behave in a consistent manner.

Therefore you should determine what is causing the issues of the formatting of your pages and fix that.  It can be fixed, but it is a change in learning how to apply styles correctly instead of depending on quirks mode of a browser
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