function random_imglink() { var image = new Array() image[1] = "http://www.umich.edu/~michchem/NEWmast/random_images/building/atrium.jpg" image[2] = "http://www.umich.edu/~michchem/NEWmast/random_images/building/bldgout.jpg" image[3] = "http://www.umich.edu/~michchem/NEWmast/random_images/building/researchlab.jpg" image[4] = "http://www.umich.edu/~michchem/NEWmast/random_images/building/aerial.jpg" image[5] = "http://www.umich.edu/~michchem/NEWmast/random_images/building/teachinglab.jpg" var link = new Array() link[1] = "javascript:makeA('http://www.umich.edu/~michchem/NEWmast/popuptext/atrium.html')" link[2] = "javascript:makeA('http://www.umich.edu/~michchem/NEWmast/popuptext/bldgout.html')" link[3] = "javascript:makeA('http://www.umich.edu/~michchem/NEWmast/popuptext/researchlab.html')" link[4] = "javascript:makeA('http://www.umich.edu/~michchem/NEWmast/popuptext/aerial.html')" link[5] = "javascript:makeA('http://www.umich.edu/~michchem/NEWmast/popuptext/teachinglab.html')" var ry=Math.floor(Math.random()*image.length) if (ry==0) ry=1 document.write('') } random_imglink() -->