// JavaScript Document
function randInt(min,max)
{
     var div = (max - min) + 1
     var randNum = Math.random()
     for (var i = 0; i <= div - 1; i++)
     {
          if (randNum >= i / div && randNum < (i+1) / div)
          {return i + min}
     }
}


var abc = randInt(1,2);

if (abc == 1) {

     document.write("<img src=images/banner.jpg border=0 width=157 height=60>");
}

if (abc == 2) {

     document.write("<img src=images/banner.jpg border=0 width=157 height=60>");
}