function setCookie(c_name,value,exdays) {
	var exdate=new Date();
	exdate.setDate(exdate.getDate() + exdays);
	var c_value = escape(value) + ((exdays==null) ? "" : "; expires="+exdate.toUTCString());
	document.cookie = c_name + "=" + c_value;
}

function getCookie(c_name) {
	var i,x,y,ARRcookies=document.cookie.split(";");
	for (i=0;i<ARRcookies.length;i++) {
		x=ARRcookies[i].substr(0,ARRcookies[i].indexOf("="));
		y=ARRcookies[i].substr(ARRcookies[i].indexOf("=")+1);
		x=x.replace(/^\s+|\s+$/g,"");
		if (x==c_name) {
			return unescape(y);
		}
  }
}


geluidAktief = "";
function speelaf(mp3, id) {
	if (geluidAktief == "") {
		setFlashVar("mp3playerhidden", "geluid", mp3);
		geluidAktief = mp3;
	} else {
		if (geluidAktief != mp3) {
			setFlashVar("mp3playerhidden", "geluid", mp3);
			geluidAktief = mp3;
		} else {
			setFlashVar("mp3playerhidden", "geluidStatus", "stop");
			geluidAktief = "";
		}
	}
}

function openPop(url) {
  newWin=window.open(url, "swellpop","width=630,height=500,location=no,status=yes,toolbar=no,menubar=no,resizable=yes,scrollbars=yes");
}

function openWin(url, w, h) {
  newWin=window.open(url, "swellwin","width="+w+",height="+h+",location=no,status=no,toolbar=no,menubar=no,resizable=yes,scrollbars=yes");
}


function swapImg(imgField,naar) {
  if (document.images) {
    document[imgField].src = eval(naar + ".src")
  }
}

function doHideDiv(layerName) {
	f = "hideDiv('" + layerName + "')";
	setTimeout(f, 500);
}

function getLayer(sLayerName) {
  var oLayer = null;
  if (document.all) { // IE
    oLayer = document.all[sLayerName].style;
  } else if (document.layers) { // NS4
    oLayer = document.layers[sLayerName];
  } else if (document.getElementById) { // NS6
    oLayer = document.getElementById(sLayerName).style;
  }
  return oLayer;;
}


function showDiv(sLayerName) {
  var oLayer = null;
  if (document.all) { // IE
    oLayer = document.all[sLayerName].style;
  } else if (document.layers) { // NS4
    oLayer = document.layers[sLayerName];
  } else if (document.getElementById) { // NS6
    oLayer = document.getElementById(sLayerName).style;
  }
  oLayer.visibility = 'visible';
}

function hideDiv(sLayerName) {
  var oLayer = null;
  if (document.all) { // IE
    oLayer = document.all[sLayerName].style;
  } else if (document.layers) { // NS4
    oLayer = document.layers[sLayerName];
  } else if (document.getElementById) { // NS6
    oLayer = document.getElementById(sLayerName).style;
  }
  oLayer.visibility = 'hidden';
}


function blockDiv(sLayerName) {
  var oLayer = null;
  if (document.all) { // IE
    oLayer = document.all[sLayerName].style;
  } else if (document.layers) { // NS4
    oLayer = document.layers[sLayerName];
  } else if (document.getElementById) { // NS6
    oLayer = document.getElementById(sLayerName).style;
  }
  oLayer.visibility = 'visible';
  oLayer.display = 'block';
}

function noneDiv(sLayerName) {
  var oLayer = null;
  if (document.all) { // IE
    oLayer = document.all[sLayerName].style;
  } else if (document.layers) { // NS4
    oLayer = document.layers[sLayerName];
  } else if (document.getElementById) { // NS6
    oLayer = document.getElementById(sLayerName).style;
  }
  oLayer.visibility = 'hidden';
  oLayer.display = 'none';
}


actieveDiv = null;
function showUitleg(divNaam) {
	if (actieveDiv != null ) {
		noneDiv(actieveDiv);
	}
	if (actieveDiv != divNaam)	{
		blockDiv(divNaam);
	}
	actieveDiv = divNaam;
}

function rand(a,b) {
	num = Math.random();
	num = (num*(b-a))+a;
	num = Math.round(num);
	return num;
}

function showSwfAlert(nr) {
	showDiv("divSwfAlert" + nr);
}