function random_imglink(){
  var myimages=new Array();
      myimages[0]="images/insideimage1.jpg";
      myimages[1]="images/insideimage2.jpg";
      myimages[2]="images/insideimage3.jpg";
      myimages[3]="images/insideimage4.jpg";
      myimages[4]="images/insideimage5.jpg";
      myimages[5]="images/insideimage6.jpg";
      myimages[6]="images/insideimage7.jpg";
      myimages[7]="images/insideimage8.jpg";
			
  var ry=Math.floor(Math.random()*myimages.length);
  var img = document.getElementById("insideImage");

  img.src = myimages[ry];
}


function default_random_imglink(){
  var myimages=new Array()
    myimages[0]="images/Image1a.jpg";
    myimages[1]="images/Image2a.jpg";
    myimages[2]="images/Image3a.jpg";
    myimages[3]="images/Image4a.jpg";
    myimages[4]="images/Image5a.jpg";
			
  var ry=Math.floor(Math.random()*myimages.length)
  var imgHide = document.getElementById("insideImage");
  imgHide.style.display = 'none';
  
  var img = document.getElementById("mainImg");

    img.src = myimages[ry];
}

    if((document.location.href.toLowerCase().indexOf('default.aspx') == -1) 
		&& (document.location.href.toLowerCase().indexOf('.aspx') != -1))
        random_imglink();
    else
        default_random_imglink();