function replaceHR() { 
	  if (!document.getElementsByTagName) return; 
		  var hr = document.getElementsByTagName("hr");
	  for (var i=0; i < hr.length; i++) { 
		var newhr = hr[i]; 
		var wrapdiv = document.createElement('div');
		wrapdiv.className = 'line';  
		newhr.parentNode.replaceChild(wrapdiv, newhr);  
		wrapdiv.appendChild(newhr);  
	  } 
 } 

window.addEvent ('domready', function () {
      
	  	//hr vervanging
	    replaceHR();
		
		//pdf link wrappen met haakjes 
	  	var element = $$('a.pdf');
		element.each(function(item, index){
					var origTag = item.get('html');
					item.set('html', '(&nbsp;&nbsp;&nbsp;&nbsp;');
					item.appendText(origTag + ")","bottom");		  
							  
		});
		
		
		$$("#header-nav li:first-child").setStyle('background', 'none');
		
	  	  
});