msgArray = new Array();
msgArray[0] = "<IMG SRC=\'images/main1.jpg\' WIDTH=\'360\' HEIGHT=\'450\' BORDER=\'0\'>";
msgArray[1] = "<IMG SRC=\'images/main2.jpg\' WIDTH=\'360\' HEIGHT=\'450\' BORDER=\'0\'>";
msgArray[2] = "<IMG SRC=\'images/main0.jpg\' WIDTH=\'360\' HEIGHT=\'450\' BORDER=\'0\'>";
msgArray[3] = "<IMG SRC=\'images/main1.jpg\' WIDTH=\'360\' HEIGHT=\'450\' BORDER=\'0\'>";
msgArray[4] = "<IMG SRC=\'images/main2.jpg\' WIDTH=\'360\' HEIGHT=\'450\' BORDER=\'0\'>";
msgArray[5] = "<IMG SRC=\'images/main0.jpg\' WIDTH=\'360\' HEIGHT=\'450\' BORDER=\'0\'>";

document.writeln(msgArray[Math.floor(Math.random() *msgArray.length)]);