function Hover(item) {
	item.originalSrc = item.src;
	if (item.src.indexOf('-over') == -1) {
		basis = item.src.substring(0, item.src.lastIndexOf('.gif'));
		item.src = basis + "-over.gif";
	}
	else {
		basis = item.src.substring(0, item.src.lastIndexOf('-over.gif'));
		item.src = basis + ".gif";
	}
}

function UnHover(item) {
	item.src = item.originalSrc;
}

function ShowUp(itemname) {
	document.getElementById(itemname).style.visibility = 'visible';
}

function Hide(itemname) {
	document.getElementById(itemname).style.visibility = 'hidden';
}

function HoverInside(item) {
        var hk = item.childNodes;
	var imgItem = null;
        for (var i = hk.length - 1; i>= 0; i--)
        {
            if (hk[i].tagName == "IMG")
            {
		imgItem = hk[i];
		break;
	    }
	}

	if (imgItem == null) {
		return;
	}

	// imgItem.originalSrc = imgItem.src;
	if (imgItem.src.indexOf('-over') == -1) {
		basis = imgItem.src.substring(0, imgItem.src.lastIndexOf('.gif'));
		imgItem.src = basis + "-over.gif";
	}
	else {
		basis = imgItem.src.substring(0, imgItem.src.lastIndexOf('-over.gif'));
		imgItem.src = basis + ".gif";
	}
}