var banner=[ 
"http://www.rowanglobal.com/HomeImage/thumb/0cdad1d6bd044cfc97cb481ee48cbdcb.jpg", 
"http://www.rowanglobal.com/HomeImage/thumb/1f08473ee7be4609bba29712e57db4d1.jpg", 
"http://www.rowanglobal.com/HomeImage/thumb/42691d20665d4d9ebf4aebc55bef0bf0.jpg", 
"http://www.rowanglobal.com/HomeImage/thumb/491b5df58db244e8aaaa8ada25075b4f.jpg", 
"http://www.rowanglobal.com/HomeImage/thumb/75fc6fac6c3b41f2b3b08272437fdbed.jpg", 
"http://www.rowanglobal.com/HomeImage/thumb/8a461b47661b48aaa451c575c69a33f7.jpg", 
"http://www.rowanglobal.com/HomeImage/thumb/8f0c20da097346059398c80a7ea9b923.jpg", 
"http://www.rowanglobal.com/HomeImage/thumb/98cefdae0bf542e9828889b36c12b8a0.jpg", 
"http://www.rowanglobal.com/HomeImage/thumb/a5a7e64b3615484cb63bb40eee39c5c8.jpg", 
"http://www.rowanglobal.com/HomeImage/thumb/ccce4724de1b49ec8aa9b7ff4d7a9227.jpg", 
"http://www.rowanglobal.com/HomeImage/thumb/d257c5f5f0824087a6891b9359eaa4e0.jpg", 
"http://www.rowanglobal.com/HomeImage/thumb/d4f97221a0e24cbf9555192e611fb2a0.jpg", 
"http://www.rowanglobal.com/HomeImage/thumb/ecd1de3c2a044ef09b41c1dd55be3b3c.jpg", 
"http://www.rowanglobal.com/HomeImage/thumb/f39897c78acf4689bfa01ebcc5d576f1.jpg", 
"http://www.rowanglobal.com/HomeImage/thumb/f6acbc1b6ac34955874d1d2f3350d8d9.jpg", 
];

var random=Math.floor(banner.length*Math.random());
document.write("<style type='text/css'>");
document.write("#header {");
document.write(" background:url('" + banner[random] + "') no-repeat top left;");
document.write(" }");
document.write("<\/style>");