Re: pdflatex works fine but latex just won't

> \else\ifnum\pdfoutput > 0\PDFtrue
                           ^ add a space here.

But, you should better use

  \usepackage{ifpdf}
  ...
  \ifpdf
    ...
  \fi

> 	\usepackage[pdftex]{graphicx}
...
> 	\usepackage[dvips]{graphicx}

teTeX's graphics.cfg is smart. You can just
  \usepackage{graphicx}

Thomas