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var two_over = new Image();
two_over.src = "img/nav_projects_over.gif";
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var three_over = new Image();
three_over.src = "img/nav_bio_over.gif";
var three_off = new Image();
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var four_over = new Image();
four_over.src = "img/nav_awards_over.gif";
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var five_over = new Image();
five_over.src = "img/nav_com_over.gif";
var five_off = new Image();
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function swapOff(imgName) {
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