function newImage(arg) {
	if (document.images) {
		rslt = new Image();
		rslt.src = arg;
		return rslt;
	}
}

function changeImages() {
	if (document.images && (preloadFlag == true)) {
		for (var i=0; i<changeImages.arguments.length; i+=2) {
			document[changeImages.arguments[i]].src = changeImages.arguments[i+1];
		}
	}
}

var preloadFlag = false;
function preloadImages() {
	if (document.images) {
		
		<!-- start left-margin world map -->
		world_map_rollover_01_centralamerica_over = newImage("img/kaart/world-map-rollover_01-centr.gif");
		world_map_rollover_01_europe_over = newImage("img/kaart/world-map-rollover_01-europ.gif");
		world_map_rollover_01_asiapacific_over = newImage("img/kaart/world-map-rollover_01-asiap.gif");
		world_map_rollover_01_south_america_over = newImage("img/kaart/world-map-rollover_01-south.gif");
		world_map_rollover_01_africamiddleeast_over = newImage("img/kaart/world-map-rollover_01-afric.gif");
		world_map_rollover_01_northamerica_over = newImage("img/kaart/world-map-rollover_01-north.gif");
		world_map_rollover_06_northamerica_over = newImage("img/kaart/world-map-rollover_06-north.gif");
		world_map_rollover_07_europe_over = newImage("img/kaart/world-map-rollover_07-europ.gif");
		centralamerica_over = newImage("img/kaart/centralamerica-over.gif");
		africamiddleeast_over = newImage("img/kaart/africamiddleeast-over.gif");
		world_map_rollover_12_centralamerica_over = newImage("img/kaart/world-map-rollover_12-centr.gif");
		world_map_rollover_13_africamiddleeast_over = newImage("img/kaart/world-map-rollover_13-afric.gif");
		world_map_rollover_18_south_america_over = newImage("img/kaart/world-map-rollover_18-south.gif");
		world_map_rollover_19_asiapacific_over = newImage("img/kaart/world-map-rollover_19-asiap.gif");
		<!-- end left-margin world map -->
		
		preloadFlag = true;
	}
}

function ge(id) {
	return document.getElementById(id);
}	


function getCookieVal (offset) {

  var endstr = document.cookie.indexOf (";", offset);

  if (endstr == -1)
    endstr = document.cookie.length;
	  return unescape(document.cookie.substring(offset, endstr));

}

function SetCookie (name,value,expires,path,domain,secure) {
	
  document.cookie = name + "=" + escape (value) +
   ((expires) ? "; expires=" + expires.toGMTString() : "") +
   ((path) ? "; path=" + path : "") +
   ((domain) ? "; domain=" + domain : "") +
   ((secure) ? "; secure" : "");

}

function GetCookie (name) {

  var arg = name + "=";
  var alen = arg.length;
  var clen = document.cookie.length;
  var i = 0;

  while (i < clen) {
    var j = i + alen;

    if (document.cookie.substring(i, j) == arg)
	     return getCookieVal (j);
	    i = document.cookie.indexOf(" ", i) + 1;
    if (i == 0) break; 

  }

  return null;

}


var aidoud = 'fontmedium';

function changeFontSize(size,aid) {

	if (size == 'klein') {
		document.getElementById("totaal").style.fontSize = '7pt';
	} else if (size == 'groot') {
		document.getElementById("totaal").style.fontSize = '12pt';
	} else {
		document.getElementById("totaal").style.fontSize = '9pt';
	}	
	
	document.getElementById(aidoud).className = "";
	document.getElementById(aid).className = "actief";
	
	aidoud = aid;
	
	SetCookie("fontsize", size, null, "/");
	SetCookie("fontaid", aid, null, "/");

}


function setFontSize() {
	
	if (GetCookie("fontsize") != null && GetCookie("fontaid") != null) {
		changeFontSize(GetCookie("fontsize"),GetCookie("fontaid"));
	}
	
}