var strSmHeader = "<img src='/images/headers/headers_small.jpg' width='558' height='73'>~" +"<img src='/images/headers/headers_small_f2.jpg' width='558' height='73'>~" +"<img src='/images/headers/headers_small_f3.jpg' width='558' height='73'>~" +"<img src='/images/headers/headers_small_f4.jpg' width='558' height='73'>~" +"<img src='/images/headers/headers_small_f5.jpg' width='558' height='73'>";

function showSmHeader()
{
var intRandom = new Number(Math.round(Math.random() * (strSmHeader.split("~").length-1)));
document.write(strSmHeader.split("~")[intRandom]);

}