function addLoadEvent(func) {
  
var oldonload = window.onload;
  
if (typeof window.onload != 'function') {
    
window.onload = func;
  } 
else {
    
window.onload = function() {
      
oldonload();
      
func();
    
}
  
}

}



function insertAfter(newElement,targetElement) {
  
var parent = targetElement.parentNode;
  
if (parent.lastChild == targetElement) {
    
parent.appendChild(newElement);
  
} 
else {
    
parent.insertBefore(newElement,targetElement.nextSibling);
  
}

}



function addClass(element,value) {
  
if (!element.className) {
    
element.className = value;
  
} 
else {
    
newClassName = element.className;
    
newClassName+= " ";
    
newClassName+= value;
    
element.className = newClassName;
  
}

}



function highlightPage() {
  
if (!document.getElementsByTagName) return false;
  
if (!document.getElementById) return false;
  
if (!document.getElementById("navigation")) return false;
  
var nav = document.getElementById("navigation");
  
var links = nav.getElementsByTagName("a");
  
  for (var i=0; i<links.length; i++) {
    
  var linkurl = links[i].getAttribute("href");
    
  var currenturl = window.location.href;
    
  if (currenturl.indexOf(linkurl) != -1) {
      
  links[i].className = "here";
      
  var linktext = links[i].lastChild.nodeValue.toLowerCase();
      
  document.body.setAttribute("id",linktext);
    
     }
  
   }

  }



  addLoadEvent(highlightPage);