pic = new Array(2);
pic[0] ='http://tatu12.persiangig.com/tatu-theme/2/ran-pic/ran-1.jpg'
pic[1] ='http://tatu12.persiangig.com/tatu-theme/2/ran-pic/ran-2.jpg'
pic[2] ='http://tatu12.persiangig.com/tatu-theme/2/ran-pic/ran-3.jpg'
pic[3] ='http://tatu12.persiangig.com/tatu-theme/2/ran-pic/ran-4.jpg'
pic[4] ='http://tatu12.persiangig.com/tatu-theme/2/ran-pic/ran-5.jpg'
pic[5] ='http://tatu12.persiangig.com/tatu-theme/2/ran-pic/ran-6.jpg'
pic[6] ='http://tatu12.persiangig.com/tatu-theme/2/ran-pic/ran-7.jpg'
pic[7] ='http://tatu12.persiangig.com/tatu-theme/2/ran-pic/ran-8.jpg'
pic[8] ='http://tatu12.persiangig.com/tatu-theme/2/ran-pic/ran-9.jpg'
pic[9] ='http://tatu12.persiangig.com/tatu-theme/2/ran-pic/ran-10.jpg'
pic[10] ='http://tatu12.persiangig.com/tatu-theme/2/ran-pic/ran-11.jpg'
pic[11] ='http://tatu12.persiangig.com/tatu-theme/2/ran-pic/ran-12.jpg'
pic[12] ='http://tatu12.persiangig.com/tatu-theme/2/ran-pic/ran-13.jpg'
pic[13] ='http://tatu12.persiangig.com/tatu-theme/2/ran-pic/ran-14.jpg'
pic[14] ='http://tatu12.persiangig.com/tatu-theme/2/ran-pic/ran-15.jpg'
pic[15] ='http://tatu12.persiangig.com/tatu-theme/2/ran-pic/ran-16.jpg'
pic[16] ='http://tatu12.persiangig.com/tatu-theme/2/ran-pic/ran-17.jpg'
index = Math.floor(Math.random() * pic.length);