imageshome = new Array(5);
imageshome[0] = "<tr><td class='mainbanner1'></td></tr>";
imageshome[1] = "<tr><td class='mainbanner2'></td></tr>";
imageshome[2] = "<tr><td class='mainbanner3'></td></tr>";
imageshome[3] = "<tr><td class='mainbanner4'></td></tr>";
imageshome[4] = "<tr><td class='mainbanner5'></td></tr>";
index = Math.floor(Math.random() * imageshome.length);