function openBrWindow(theURL,winName,features, myWidth, myHeight, isCenter) { //v3.0
  if(window.screen)if(isCenter)if(isCenter=="true"){
    var myLeft = (screen.width-myWidth)/2;
    var myTop = (screen.height-myHeight)/2;
    features+=(features!='')?',':'';
    features+=',left='+myLeft+',top='+myTop;
  }
  window.open(theURL,winName,features+((features!='')?',':'')+'width='+myWidth+',height='+myHeight);
}


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) {
		menue_01_over = newImage("menue/menue_01-over.gif");
		menue_02_over = newImage("menue/menue_02-over.gif");
		menue_03_over = newImage("menue/menue_03-over.gif");
		menue_04_over = newImage("menue/menue_04-over.gif");
		menue_05_over = newImage("menue/menue_05-over.gif");
		menue_06_over = newImage("menue/menue_06-over.gif");
		preloadFlag = true;
	}
}


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+=1) {
			document[changeImages.arguments[i]].src = changeImages.arguments[i+1];
		}
	}
}

var preloadFlag = false;

function preloadImages() {
	if (document.images) {
		menue_01_over = newImage("menue/menue_01-over.gif");
		menue_02_over = newImage("menue/menue_02-over.gif");
		menue_03_over = newImage("menue/menue_03-over.gif");
		menue_04_over = newImage("menue/menue_04-over.gif");
		menue_05_over = newImage("menue/menue_05-over.gif");
		menue_06_over = newImage("menue/menue_06-over.gif");
		preloadFlag = true;
	}
}