img = new Array();
img[0] = "http://busstrio.com/img/first/top_p1.png";
img[1] = "http://busstrio.com/img/first/top_p2.png";
img[2] = "http://busstrio.com/img/first/top_p3.png";
img[3] = "http://busstrio.com/img/first/top_p4.png";
img[4] = "http://busstrio.com/img/first/top_p5.png";
img[5] = "http://busstrio.com/img/first/top_p6.png";
img[6] = "http://busstrio.com/img/first/top_p7.png";
img[7] = "http://busstrio.com/img/first/top_p8.png";
img[8] = "http://busstrio.com/img/first/top_p9.png";
img[9] = "http://busstrio.com/img/first/top_p10.png";
img[10] = "http://busstrio.com/img/first/top_p11.png";
img[11] = "http://busstrio.com/img/first/top_p12.png";
img[12] = "http://busstrio.com/img/first/top_p13.png";
img[13] = "http://busstrio.com/img/first/top_p14.png";
img[14] = "http://busstrio.com/img/first/top_p15.png";
img[15] = "http://busstrio.com/img/first/top_p16.png";
img[16] = "http://busstrio.com/img/first/top_p17.png";


function setBanner(){
	amount = img.length;
	No = Math.floor(Math.random()*amount);
	document.write("<img src='" + img[No] + "' border='0'>");
}