function init(){if((!document.getElementsByTagName)||(!document.getElementById)){return false;}
else{var thumbnails=document.getElementById("thumbnails");var links=thumbnails.getElementsByTagName("a");for(var i=0;i<links.length;i++){links[i].onmouseover=function(){return rollover(this);}
links[i].onclick=function(){return false;}}
return true;}}
function rollover(link){var source=link.getAttribute("href");var largeimage=document.getElementById("largeimage");largeimage.setAttribute("src",source);}
window.onload=function(){init();}