function newImage(arg) {
	if(document.images) {
  		var 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(lang) {
  	if (document.images) {
  		b_ubyt_over = newImage("../images/b_ubyt_" + lang + "-over.gif");
  		b_ceny_over = newImage("../images/b_ceny_" + lang + "-over.gif");
  		b_rezerv_over = newImage("../images/b_rezerv_" + lang + "-over.gif");
  		b_kdenas_over = newImage("../images/b_kdenas_" + lang + "-over.gif");
  		b_kont_over = newImage("../images/b_kont_" + lang + "-over.gif");
  		b_restaur_over = newImage("../images/b_restaur_" + lang + "-over.gif");
  		b_odkazy_over = newImage("../images/b_odkazy_" + lang + "-over.gif");
  		preloadFlag = true;
  	}
  }


function ShowPopup (popupURL,w,h) {
	ShowPopup2 (popupURL,"pup", w,h);
}

function ShowPopup2 (popupURL,name, w,h) {
	window.open (popupURL,name,'toolbar=0,location=0,directories=0,status=0, menubar=0,scrollbars=0,resizable=0,width='+w+',height='+h);
}

function newwin(popupURL) {
	window.open (popupURL,name);
}