function findQuery () {
	var url = window.location.href;
	details = url.search(/details/);
	travel = url.search(/travel/);
	if (details > 1) {
		document.getElementById('details').className="selected";
	} else if (travel > 1) {
		document.getElementById('travel').className="selected";
	} else {
		document.getElementById('promo').className="selected";	
	}
}

function htmlentities(s){
    // http://kevin.vanzonneveld.net
    // *     example 1: htmlentities('Kevin & van Zonneveld');
    // *     returns 1: 'Kevin & van Zonneveld'
 
    var text = document.createTextNode(s);
    document.getElementById('youtube').appendChild(text);
}