var list= new Array()
list[list.length]='/images/titleImg01.jpg';
list[list.length]='/images/titleImg02.jpg';
list[list.length]='/images/titleImg03.jpg';
list[list.length]='/images/titleImg04.jpg';
list[list.length]='/images/titleImg05.jpg';
list[list.length]='/images/titleImg06.jpg';
list[list.length]='/images/titleImg07.jpg';
list[list.length]='/images/titleImg08.jpg';

j=parseInt(Math.random()*list.length);
j=(isNaN(j))?0:j;

function randomImg(){
	var name=list[j].indexOf(".");
	document.write("<img src='"+list[j]+"' width='769' height='160' border='0'>");
}