// function to show a new image on the gallery area each time you enter the page
function swapPic() 
 { 
 if(document.getElementById) 
   { 
   var thePicture=document.getElementById("galleryrotator"); 
   var picPath="../../images/photos/gallery"+rnd(10)+".jpg"; 
   thePicture.style.background="url("+picPath+")";
   } 
 } 
  
function rnd(n) 
 { 
 return Math.floor(Math.random() * n) + 1; 
 }