image = new Array(15);  
link = new Array(15);
image[0] = 'http://www.ep.net.cn/img/banna_0.gif' 
image[1] = 'http://www.ep.net.cn/img/banna_4.gif'
image[2] = 'http://www.ep.net.cn/img/banna_2.gif'
image[3] = 'http://www.ep.net.cn/img/banna_3.gif'
image[4] = 'http://www.ep.net.cn/img/kkxllm1.jpg'
image[5] = 'http://www.ep.net.cn/img/banna_5.gif'
image[6] = 'http://www.ep.net.cn/img/banna_6.gif'
image[7] = 'http://www.ep.net.cn/img/banna_7.gif'
image[8] = 'http://www.ep.net.cn/img/banna_8.gif'
image[9] = 'http://www.ep.net.cn/img/banna_9.gif'
image[10] = 'http://www.ep.net.cn/img/banna_10.gif'
image[11] = 'http://www.ep.net.cn/img/banna_11.gif'
image[12] = 'http://www.ep.net.cn/img/banna_12.gif'
image[13] = 'http://www.ep.net.cn/img/banna_13.gif'
image[14] = 'http://www.ep.net.cn/img/banna_14.gif'
image[15] = 'http://www.ep.net.cn/img/banna_15.gif'
index = Math.floor(Math.random() * image.length);
document.write('<IMG SRC="'+image[index]+'" border=0>');