% hyperlinks.tex
     \documentclass[pdf,umbc4,slideColor,colorBG]{prosper}
    \hypersetup{colorlinks=true,linkcolor=red}

     \begin{document}
     \begin{slide}{Starting slide}
     \hypertarget{back}{}
     \hyperlink{testtarget}{Click here} 
     to go to the target slide.
     \end{slide}

     \begin{slide}{Target slide}
     \hypertarget{testtarget}{}
     Yup, we are there!
     \hyperlink{back}{back on previous slide}

     \href{http://www.ethz.ch}{ETH Zuerich}

   \end{slide}

     \end{document}


