var tbstagline = new Array();
tbstagline[0] = "<img src='/niosh/topics/nanotech/images/spanier_barium_170.jpg' alt='barium' width='170' height='133'>";
tbstagline[1] = "<img src='/niosh/topics/nanotech/images/chen_lead_170.jpg' alt='lead' width='170' height='145'>";
tbstagline[2] = "<img src='/niosh/topics/nanotech/images/zhong_zinc_2_tn.jpg' alt='zinc' width='170' height='137'>";
tbstagline[3] = "<img src='/niosh/topics/nanotech/images/temeds.jpg' alt='temeds' width='170' height='107'>";
tbstagline[4] = "<img src='/niosh/topics/nanotech/images/Nanosampling1.jpg' alt='Nanosampling' width='170' height='145'>";
tbstagline[5] = "<img src='/niosh/topics/nanotech/images/Picture1.jpg' alt='Worker cleaning out a metal nanoparticle vapor deposition reactor' width='170' height='145'>";
tbstagline[6] = "<img src='/niosh/topics/nanotech/images/SonicatedMWCNT.jpg' alt='Sonicated Multi-walled Carbon Nanotube' width='170' height='145'>";
function randomNumber(n) {
number = Math.floor(Math.random() * (n + 1));
return number;
}