// Script taken from http://www.sitepoint.com/print/dhtml-utopia-modern-web-design


function addEvent(elm, evType, fn, useCapture) { 
 // cross-browser event handling for IE5+, NS6+ and Mozilla/Gecko 
 // By Scott Andrew  
 if (elm.addEventListener) {  
   elm.addEventListener(evType, fn, useCapture);  
   return true;  
 } else if (elm.attachEvent) {  
   var r = elm.attachEvent('on' + evType, fn);  
   return r;  
 } else { 
   elm['on' + evType] = fn; 
 } 
} 

function handleLink(e) { 
 var el; 
 if (window.event && window.event.srcElement) 
   el = window.event.srcElement; 
 if (e && e.target) 
   el = e.target; 
 if (!el) 
   return; 

 while (el.nodeName.toLowerCase() != 'a' && 
     el.nodeName.toLowerCase() != 'body') 
   el = el.parentNode; 

 if (document.getElementById('newwin') && 
     document.getElementById('newwin').checked) { 
   window.open(el.href); 
   if (window.event) { 
     window.event.cancelBubble = true; 
     window.event.returnValue = false; 
   } 
   if (e && e.stopPropagation && e.preventDefault) { 
     e.stopPropagation(); 
     e.preventDefault(); 
   } 
 } 
} 

function cancelClick() { 
 if (document.getElementById('newwin') && 
     document.getElementById('newwin').checked) { 
   return false; 
 } 
 return true; 
} 

function addListeners() { 
 if (!document.getElementById) 
   return; 

 var all_links = document.getElementsByTagName('a'); 
 for (var i = 0; i < all_links.length; i++) { 
   addEvent(all_links[i], 'click', handleLink, false); 
   all_links[i].onclick = cancelClick; 
 } 
} 

addEvent(window, 'load', addListeners, false);