var ActiveMenuCache = false;
function activateMenu(id){
	var thisImg=document.getElementById(id);
	if(thisImg){
		thisImg.src='http://movie-w.beheer.nu/images/'+id+'-over.jpg';
		ActiveMenuCache=id;
	}
}

function changemenu(id,action){

	if(id!=ActiveMenuCache){
		var thisImg = document.getElementById(id);
		if(thisImg){
			if(action=='over'){
				thisImg.src='http://movie-w.beheer.nu/images/'+id+'-over.jpg';
			}else{
				thisImg.src='http://movie-w.beheer.nu/images/'+id+'.jpg';
			}
		}
	}

}