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) {
			//alert ( changeImages.arguments[i+1] );
			document[changeImages.arguments[i]].src = changeImages.arguments[i+1];

		}
	}
}

var preloadFlag = false;
function preloadImages() {
	if (document.images) {
		Button1_over = newImage("_face/kontakt2.gif");
		Button2_over = newImage("_face/sidlo2.gif");
		Button3_over = newImage("_face/napsat2.gif");
		Button4_over = newImage("_face/uvod2.gif");
		//Button5_over = newImage("images/Button5-over.gif");
		preloadFlag = true;
	}
}


function SetLang ( Lang )
{
  	document.formLang.SetLang.value = Lang;
  	document.formLang.submit();
}

function doReload()
{
	window.location.reload ( true );
}

function WinClose ()
{
 	window.opener.doReload();
 	window.close();
}