function popUp(URL) {
window.open(URL,'', 'toolbar=0,scrollbars=0,location=0,statusbar=0,menubar=0,resizable=0,width=920,height=600');
}

function newImage(arg) {
	if (document.images) {
		rslt = new Image();
		rslt.src = arg;
		return rslt;
	}
}

function changeImages() {
	if (document.images && (preloadFlag == true)) {
		for (var i=0; i<changeImages.arguments.length; i+=2) {
			document[changeImages.arguments[i]].src = changeImages.arguments[i+1];
		}
	}
}

var preloadFlag = false;
function preloadImages() {
	if (document.images) {
		roman_over = newImage("kepek/roman-over.gif");
		angol_over = newImage("kepek/angol-over.gif");
		foldal_over = newImage("kepek/foldal-over.gif");
		rolunk_over = newImage("kepek/rolunk-over.gif");
		szallas_over = newImage("kepek/szallas-over.gif");
		kepgaleria_over = newImage("kepek/kepgaleria-over.gif");
		kornyek_over = newImage("kepek/kornyek-over.gif");
		latnivalok_over = newImage("kepek/latnivalok-over.gif");
		terkep_over = newImage("kepek/terkep-over.gif");
		elerhetoseg_over = newImage("kepek/elerhetoseg-over.gif");
		fo_lent_over = newImage("kepek/fo_lent-over.gif");
		rolunk_lent_over = newImage("kepek/rolunk_lent-over.gif");
		szallas_lent_over = newImage("kepek/szallas_lent-over.gif");
		kep_lent_over = newImage("kepek/kep_lent-over.gif");
		kornyek_lent_over = newImage("kepek/kornyek_lent-over.gif");
		lat_lent_over = newImage("kepek/lat_lent-over.gif");
		terkep_lent_over = newImage("kepek/terkep_lent-over.gif");
		eler_lent_over = newImage("kepek/eler_lent-over.gif");
		preloadFlag = true;
	}
}