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) {
		icon01txt_over = newImage("images/site/lv/icon01txt-over.gif");
		icon02txt_over = newImage("images/site/lv/icon02txt-over.gif");
		icon03txt_over = newImage("images/site/lv/icon03txt-over.gif");
		icon04txt_over = newImage("images/site/lv/icon04txt-over.gif");	
		
		icon01txt_over = newImage("images/site/ru/icon01txt-over.gif");
		icon02txt_over = newImage("images/site/ru/icon02txt-over.gif");
		icon03txt_over = newImage("images/site/ru/icon03txt-over.gif");
		icon04txt_over = newImage("images/site/ru/icon04txt-over.gif");	
		
		icon01txt_over = newImage("images/site/en/icon01txt-over.gif");
		icon02txt_over = newImage("images/site/en/icon02txt-over.gif");
		icon03txt_over = newImage("images/site/en/icon03txt-over.gif");
		icon04txt_over = newImage("images/site/en/icon04txt-over.gif");	
		
		icon01txt_over = newImage("images/site/lt/icon01txt-over.gif");
		icon02txt_over = newImage("images/site/lt/icon02txt-over.gif");
		icon03txt_over = newImage("images/site/lt/icon03txt-over.gif");
		icon04txt_over = newImage("images/site/lt/icon04txt-over.gif");	
		preloadFlag = true;}}
		
nWin = null;
function OpenWindow(link, w, h){
	if(nWin && !nWin.closed) nWin.close();
	var url = link;

	//--------------
	
 	if (self.screen) { // for NN4 and IE4
		width = screen.width
		height = screen.height
	}else if (self.java){ // for NN3 with enabled Java
		var jkit = java.awt.Toolkit.getDefaultToolkit();
		var scrsize = jkit.getScreenSize();
		width = scrsize.width;
		height = scrsize.height;
	}
	//--------------
	
	var top = (height - h) / 2;
	var left = (width - w) / 2;
	
  nWin = window.open(url, "OpenWindow", "width="+ w+", height="+h+", location=no,status=no,resizable=no,toolbar=no,scrollbars=yes,menubar=no,top="+top+",left="+left+"");
  nWin.focus();	
}