// JavaScript Document

function laadnavigatie() {

   if (document.images)
   {
   		Button7b = new Image(56,57);
		Button7b.src = "img/Header_Menu_1b.gif";
		Button8b = new Image(56,57);
		Button8b.src = "img/Header_Menu_2b.gif";
		Button9b = new Image(56,57);
		Button9b.src = "img/Header_Menu_3b.gif";
   }				
   
   But7=document.getElementById('Button7');
   But8=document.getElementById('Button8');
   But9=document.getElementById('Button9');
   But12=document.getElementById('Button12');
     
	But7.onmouseover=function() {
	   But7.src="img/Header_Menu_1b.gif";
	}
	But7.onmouseout=function() {
	   But7.src="img/Header_Menu_1a.gif";
	}
	
	But8.onmouseover=function() {
	   But8.src="img/Header_Menu_2b.gif";
	}
	But8.onmouseout=function() {
	   But8.src="img/Header_Menu_2a.gif";
	}	
	
	But9.onmouseover=function() {
	   But9.src="img/Header_Menu_3b.gif";
	}
	But9.onmouseout=function() {
	   But9.src="img/Header_Menu_3a.gif";
	}	
}