objSubMenuItemImg = new Array(4);
for (i=0; i<4; i++) objSubMenuItemImg[i] = new Image();
objSubMenuItemImg[0].src="img/noimg.jpg";
objSubMenuItemImg[1].src="img/noimg.jpg";
objSubMenuItemImg[2].src="img/noimg.jpg";
objSubMenuItemImg[3].src="img/noimg.jpg";

function fnSubMenuItemOver(objSubMenuItem, intImgNumber)
{
objSubMenuItem.className="classSubMenuItemOn";
document.getElementById('idSubMenuItemImage').style.visibility = 'visible';
document.getElementById('idSubMenuItemImage').src = objSubMenuItemImg[intImgNumber].src;
}

function fnSubMenuItemOut(objSubMenuItem, intImgNumber)
{
objSubMenuItem.className="classSubMenuItemOff";
document.getElementById('idSubMenuItemImage').style.visibility = 'hidden';
document.getElementById('idSubMenuItemImage').src = objSubMenuItemImg[intImgNumber].src;
}

function fnSubMenuItemClick(strUrl)
{
document.location.href=strUrl;
}