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) {
		m_english_over = newImage("../_imgs/m_english-over.gif");
		m_cesky_over = newImage("../_imgs/m_cesky-over.gif");
		m_magyar_over = newImage("../_imgs/m_magyar-over.gif");
		m_slovensky_over = newImage("../_imgs/m_slovensky-over.gif");		
		preloadFlag = true;
	}
}
function PopupPic(sPicURL) {
      window.open( "popup.htm?"+sPicURL, "", "resizable=1,HEIGHT=600,WIDTH=800");
}
function PopupPicEn(sPicURL) {
      window.open( "popup.htm?"+sPicURL, "", "resizable=1,HEIGHT=600,WIDTH=800");
}