function setMenuBanner(bannerText)
{
	if (!document.getElementById)
		return;
	var mBanner = document.getElementById("banner");
	mBanner.firstChild.nodeValue=bannerText;
}
function preloadImages()
{
	if (!document.images)
		return;

	var loadedImages = new Array;
	for (i=0; i < preloadImages.arguments.length; i++)
	{
		loadedImages[i] = new Image();
		loadedImages[i].src = preloadImages.arguments[i];
	}
}

function swapImage(targetImage, newImageSrc)
{
	if (!document.images)
		return;
	if (targetImage && targetImage.src)
		targetImage.src = newImageSrc;
}

preloadImages(
"/images/buttons/bs5(0).jpg",
"/images/buttons/bs5(1).jpg",
"/images/buttons/cl5(0).jpg",
"/images/buttons/cl5(1).jpg",
"/images/buttons/clBBoard(0).jpg",
"/images/buttons/clBBoard(1).jpg",
"/images/buttons/clEquip(0).jpg",
"/images/buttons/clEquip(1).jpg",
"/images/buttons/clGeneral(0).jpg",
"/images/buttons/clGeneral(1).jpg",
"/images/buttons/clHome(0).jpg",
"/images/buttons/clHome(1).jpg",
"/images/buttons/clMusic(0).jpg",
"/images/buttons/clMusic(1).jpg",
"/images/buttons/clResource(0).jpg",
"/images/buttons/clResource(1).jpg",
"/images/buttons/clStudy(0).jpg",
"/images/buttons/clStudy(1).jpg",
"/images/buttons/fl5(0).jpg",
"/images/buttons/fl5(1).jpg",
"/images/buttons/hn5(0).jpg",
"/images/buttons/hn5(1).jpg",
"/images/buttons/ob5(0).jpg",
"/images/buttons/ob5(1).jpg"
)
function checkMaxLength (textarea, evt, maxLength)
{
	if (textarea.selected && evt.shiftKey) 
		return true;
	var allowKey = false;
	if (textarea.selected && textarea.selectedLength > 0)
		allowKey = true;
	else 
	{
		var keyCode = document.layers ? evt.which : evt.keyCode;
		if (keyCode < 32 && keyCode != 13)
			allowKey = true;
		else           
			allowKey = textarea.value.length < maxLength;
	}
	textarea.selected = false;
	return allowKey;
}

function storeSelection (field)
{
	if (document.all)
	{
		field.selected = true;
		field.selectedLength = field.createTextRange ? document.selection.createRange().text.length : 1;
	}
}