// GYIK select
function ToGyikSelect() {
	var select = document.getElementById( "gyik_select" );
	select.onchange = function() { window.location.href=('gyik' + this.options[this.selectedIndex].value); };
}

if ( window.addEventListener ) {
	window.addEventListener( "load", ToGyikSelect, false );
}
else if ( window.attachEvent ) {
	window.attachEvent( "onload", ToGyikSelect );
}