var agt=navigator.userAgent.toLowerCase();
    var is_ie     = ((agt.indexOf("msie") != -1) && (agt.indexOf("opera") == -1));
    var is_win    = ((agt.indexOf("win")!=-1) || (agt.indexOf("16bit")!=-1) );
    var is_mac    = (agt.indexOf("mac")!=-1);
    var is_opera  = (agt.indexOf("opera") != -1);
    var is_konq   = (agt.indexOf("konquer") != -1);
	
	var is_ff2     = ((agt.indexOf("firefox/2") != -1) && (agt.indexOf("opera") == -1));
	var is_ff3     = ((agt.indexOf("firefox/3") != -1) && (agt.indexOf("opera") == -1));
	var is_ie6     = ((agt.indexOf("msie 6") != -1) && (agt.indexOf("opera") == -1));
	var is_ie7     = ((agt.indexOf("msie 7") != -1) && (agt.indexOf("opera") == -1));
	var is_ie8     = ((agt.indexOf("msie 8") != -1) && (agt.indexOf("opera") == -1));
	var is_ie9     = ((agt.indexOf("msie 9") != -1) && (agt.indexOf("opera") == -1));
	
	var oHEAD=document.getElementsByTagName('HEAD').item(0);
	var nLink=document.createElement('LINK');
	nLink.rel="stylesheet";
	nLink.type="text/css";	
	
	if (is_ie6) {
       nLink.href="layout/layout_ie6.css";
    }
	else if (is_ie7) {
       nLink.href="layout/layout_ie.css";
    }
	else if (is_ie8) {
       nLink.href="layout/layout_ie.css";
    }
	 else if (is_ie9) {
       nLink.href="layout/layout_ie.css";
    }
	else {
       nLink.href="layout/layout.css";
    }
	var nCss2Style=document.getElementsByTagName('STYLE').item(0);
	if(nLink.href.length)oHEAD.replaceChild(nLink,nCss2Style);

//SCRIPT VOOR HET OPENEN VAN NIEUW VENSTER MET EEN NIEUWE HTMLPAGINA
function wopen(obj, w, h)
    {
      if(!w) { w = 800; }
      if(!h) { h = 600; }
      winoptions="height="+h+",width="+w+",,"+
                 ",menubar=no,resizable=yes,scrollbars=yes,status=no,titlebar=no,toolbar=no";
      win=window.open("","info",winoptions);
      win.location.href=obj.href;
      if (parseInt(navigator.appVersion) >= 4)
                    { win.window.focus(); }
      return false;
    }
	 
//SCRIPT VOOR HET ACTIVEREN NAVIGATIE   
function setNav()
   {
      if(document.getElementsByTagName)
      {
		{
		  navsrc = document.getElementsByTagName("body");
		  document.getElementById("n" + navsrc[0].getAttribute('id')).className = 'activated';
		
		  if (document.getElementById("subnav")) 
		  {
			subnavsrc = document.getElementsByTagName("h1");
			document.getElementById("sub-" + subnavsrc[0].getAttribute('id')).className = 'activated';
		  }
		}
      }		
    }
				
	
function link_blur(){

	var links = document.getElementsByTagName("a");

	for (i=0; i<links.length; i++) {

		var link = links[i];

		link.onfocus=blur;

	}

}

function blur(){

	this.blur();

}
    
   

//SCRIPT  OM BUTTONS IN DIVERSE NAVIGATIEITEMS TE ACTIVEREN	
function setNav()
   {
      if(document.getElementsByTagName)
      {
		 navsrc = document.getElementsByTagName("body");

		 if( navsrc[0] && document.getElementById( "n" + navsrc[0].getAttribute('id') )  )
		      document.getElementById("n" + navsrc[0].getAttribute('id') ).className = 'activated';
      }		
    }

//SCRIPT  TBV SUBNAVIGATIE		
	 var currentMenu = '';

function SwitchMenu(obj){
    currentMenu = obj;
    for (i=1; i<13; i++){
        if( document.getElementById( 'menu'+i ) ){
            if ( currentMenu!='sub'+i)
                document.getElementById( 'menu'+i ).className = 'menuOut';
        }
    }
	if(document.getElementById){
	var el = document.getElementById(obj);
	var ar = document.getElementById("tekstrechts").getElementsByTagName("DIV");
		if(el.style.display == "none"){
			for (var i=0; i<ar.length; i++){
				ar[i].style.display = "none";
			}
			el.style.display = "block";
		}else{
			el.style.display = "none";
		}
	}
}

function ChangeClass(menu_id, newClass) { 
     if ( currentMenu=='sub'+menu_id && newClass=='menuOut' ){
         // doe niets ;-)
     }else{

         menu = 'menu'+menu_id;
         if (document.getElementById) { 
            document.getElementById(menu).className = newClass;
         } 
     }
} 
document.onselectstart = new Function("return false");
    
 function doInit () 
	{
      setNav();
	  link_blur();
    }
    
    window.onload = doInit;