if (top != self)
top.location = self.location;

function over4(){document.begin.src ="img/begin_over.png";}
function out4(){document.begin.src ="img/begin.png";}
function over5(){document.back.src ="img/back_over.png";}
function out5(){document.back.src ="img/back.png";}
function over6(){document.end.src ="img/end_over.png";}
function out6(){document.end.src ="img/end.png";}
function over7(){document.forward.src ="img/forward_over.png";}
function out7(){document.forward.src ="img/forward.png";}
function over8(){document.prev_pic.src ="img/prev_picture_over.gif";}
function out8(){document.prev_pic.src ="img/prev_picture.gif";}
function over9(){document.next_pic.src ="img/next_picture_over.gif";}
function out9(){document.next_pic.src ="img/next_picture.gif";}


window.onload = externalLinks;

function externalLinks() {
  	if(!document.getElementsByTagName) return;
  	var links,a,i;
  	links = document.getElementsByTagName("a");
  	for(i=0;i<links.length;i++) {
  	a = links[i];
  	if(a.getAttribute("rel") && a.getAttribute("rel").indexOf("external") > -1) {
  	a.onclick = function() {
  	window.open(this.href);
    return false;}}}}
  