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//Business & Econ
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               toc11on.src = "/file_depot/0-10000000/20000-30000/29246/folder/66971/nav_business_on.gif";
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               toc11off.src = "/file_depot/0-10000000/20000-30000/29246/folder/66971/nav_business_off.gif";
//Engineering
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//Natural Sciences
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               toc13off.src = "/file_depot/0-10000000/20000-30000/29246/folder/66971/nav_sciences_off.gif";
//Multidisciplinary
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               toc14on.src = "/file_depot/0-10000000/20000-30000/29246/folder/66971/nav_multi_on.gif";
               toc14off = new Image(); 
               toc14off.src = "/file_depot/0-10000000/20000-30000/29246/folder/66971/nav_multi_off.gif";
//About the Programs
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               toc15on.src = "/file_depot/0-10000000/20000-30000/29246/folder/66971/nav_aboutprograms_on.gif";
               toc15off = new Image(); 
               toc15off.src = "/file_depot/0-10000000/20000-30000/29246/folder/66971/nav_aboutprograms_off.gif";
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