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

function getCookie(c_name) {
if (document.cookie.length>0)
  {
  c_start=document.cookie.indexOf(c_name + "=")
  if (c_start!=-1)
    { 
    c_start=c_start + c_name.length+1 
    c_end=document.cookie.indexOf(";",c_start)
    if (c_end==-1) c_end=document.cookie.length
    return unescape(document.cookie.substring(c_start,c_end))
    } 
  }
return ""
}


function getViewCounter() {
	aantalKeer = getCookie('aantalKeer');
	
	if (aantalKeer!=null && aantalKeer!="") {
		//Cookie bestaat al:
		setCookie('aantalKeer', (parseInt(aantalKeer)+1), 1);
	}
	else {
		//Cookie bestaat nog niet:
		setCookie('aantalKeer', 1, 1);
	}	
	
	return getCookie('aantalKeer');
}
function permissionToShow() {
	per = 1;
	aantalKeer = getViewCounter()+(per-1);  // +(per-1) zorgt ervoor dat de commercial direct de eerste keer komt.
	
	if ((aantalKeer%per)==0) {
		return true;
	}
	else {
		return false;
	}
}

function showCommPerXTimes(filename) {
	if (permissionToShow()) {
		
		window.resizeTo(890, 555);
		filename = filename.substring(filename.indexOf("?file="), filename.length);
		filename = filename.substring(6, filename.indexOf("&"));
		
		loadFlv(filename,
				"commercialPlaats",
				"bannerPlaats",
				"",
				"205",
				"240"
				);

	}
	else {
		loadFlash(filename);
	}
}