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

//Returns the style object for a 
function getObject(obj){
	var styleObj;
	if(typeof obj == "string"){
		if(document.getElementById){
			styleObj=document.getElementById(obj)
		}else if (document.all){
			styleObj=document.all[obj]
		}
	}else if(obj.style){
		styleObj=obj
	}
	return styleObj;
}

function switchVisible(divName,sw){
	divEl=getObject(divName);
	divEl.style.visibility = (divEl.style.visibility=="hidden") ? "visible" : "hidden";
	divEl.style.display = (divEl.style.display=="none")  ? "block" : "none";
}

function isValidEmail(e){
	var filter  = /^([a-zA-Z0-9_\.\-])+\@(([a-zA-Z0-9\-])+\.)+([a-zA-Z0-9]{2,4})+$/;
	if(filter.test(e)){
		return true;
	}else{
		return false;
	}
}

function jumpToAflevering(afl_info){
	var info=afl_info.split(",")
	//alert(info[0]+","+info[1]);
	window.location="/index.php?id="+info[0]+"&tx_llprogramma_pi2[afl_uid]="+info[1]+"&no_cache=1";
}