var explorer_ = (document.all) ? 1 : 0;
var ImgArrSrc = new Array(8);
var ImgArr = new Array(8);

ImgArrSrc[0] = "images/vummap_sel.jpg";
ImgArrSrc[1] = "images/vummail_sel.jpg";
ImgArrSrc[2] = "images/vumhome_sel.jpg";
ImgArrSrc[3] = "images/vmprod_sel.jpg";
ImgArrSrc[4] = "images/vmart_sel.jpg";
ImgArrSrc[5] = "images/vmdown_sel.jpg";
ImgArrSrc[6] = "images/vmord_sel.jpg";
ImgArrSrc[7] = "images/vmsup_sel.jpg";

function clPreLoadImages(AOffset)
{
	for (i = 0; i < ImgArr.length; i++)
	{
		ImgArr[i] = new Image();
		ImgArr[i].src = (AOffset + ImgArrSrc[i]);
	}
}

function clHiliteImg(e)
{
	var src = e.src;
	src = src.replace("_sel.", ".");
	var s = src;
	var i = s.lastIndexOf(".");
	if (i >= 0)
	{
		s = s.substr(0, i);
	}
	s = s + '_sel' + src.substr(i, src.length - i);
	e.src = s;
}

function clNormalImg(e)
{
	var src = e.src;
	src = src.replace("_sel.", ".");
	var s = src;
	var i = s.lastIndexOf(".");
	if (i >= 0)
	{
		s = s.substr(0, i);
	}
	s = s + src.substr(i, src.length - i);
	e.src = s;
}