var ie=ns=op=sf = false;
var iePng = false;

if (navigator.userAgent.indexOf ("Opera") != -1) {op=true}
else if (navigator.userAgent.indexOf ("MSIE") != -1) {ie=true; var n = navigator.userAgent.indexOf("MSIE") + 5; iePng = (navigator.userAgent.substring(n, n + 1) >= 7) ? true : false}
else if (navigator.userAgent.indexOf ("Safari") != -1) {sf=true}
else if (navigator.userAgent.indexOf ("Netscape") != -1 ||
         navigator.userAgent.indexOf ("Gecko") != -1 ||
         navigator.userAgent.indexOf ("Mozilla") != -1 ||
         navigator.userAgent.indexOf ("Firefox") != -1) {ns=true}


function PreloadImages()
{
	if (document.images)
		{
			var preloadArray = new Array();
			for (var i = 1; i < arguments.length; i++)
				{
					preloadArray[i-1] = new Image();
					preloadArray[i-1].src = "/" + arguments[0] + "_gfx/" + arguments[i];
				}
		}
}


function NavOver(th, id)
{
	th = th.firstChild;
	th.src = '/_gfx/nav' + id + '-ovr.gif';
}


function NavOut(th, id)
{
	th = th.firstChild;
	th.src = '/_gfx/nav' + id + '.gif';
}


function BnrOver(th, id)
{
	th = th.firstChild;
	th.src = '/files/banner/bnr' + id + '-ovr.gif';
}


function BnrOut(th, id)
{
	th = th.firstChild;
	th.src = '/files/banner/bnr' + id + '.gif';
}