if (navigator.appVersion.charAt(0) >= 4)
{
	document.write("<LINK REL=stylesheet TYPE=\"text/css\" HREF=\"/include/stlcounty2.css\">");
}

if(document.images)
{
	var offImgArray = new Array();
	var onImgArray = new Array();
	offImgArray[0] = new Image(91, 16);
	offImgArray[0].src = "/images/bttnHome.gif";
	onImgArray[0] = new Image(91, 16);
	onImgArray[0].src = "/images/bttnHome2.gif";
	offImgArray[1] = new Image(100, 16);
	offImgArray[1].src = "/images/bttnSearch.gif";
	onImgArray[1] = new Image(100, 16);
	onImgArray[1].src = "/images/bttnSearch2.gif";
	offImgArray[2] = new Image(112, 16);
	offImgArray[2].src = "/images/bttnSiteMap.gif";
	onImgArray[2] = new Image(112, 16);
	onImgArray[2].src = "/images/bttnSiteMap2.gif";
	offImgArray[3] = new Image(118, 16);
	offImgArray[3].src = "/images/bttnContact.gif";
	onImgArray[3] = new Image(118, 16);
	onImgArray[3].src = "/images/bttnContact2.gif";
}

function imageOn(i)
{
	if (document.images)
	{
		var img_obj = eval("document.img_" + i);
		img_obj.src = onImgArray[i].src;
	}
}

function imageOff(i)
{
	if (document.images)
	{
		var img_obj = eval("document.img_" + i);
		img_obj.src = offImgArray[i].src;
	}
}

function highlightButton(obj, s)
{
	obj.className=s;
}

// Test for valid email address.
function isValidEmail(addrObj)
{
	var msgEmail1 = "The e-mail address entered is missing a user name before the \"@\" symbol.";
	var msgEmail2 = "The e-mail address entered is missing the \"@\" symbol.";
	var msgEmail3 = "The e-mail address entered is missing a host name after the \"@\" symbol.";
	var msgEmail4 = "The e-mail address entered is missing a period in the host name after the \"@\" symbol.";
	
	var addr = addrObj.value;
	
	if (addr.length > 0)
	{ 
 			var sign=addr.indexOf("@");
 			var after=addr.substring(sign+1,addr.length);
 			var period=after.indexOf(".");
		
 			if (sign==0)
		{
			alert(msgEmail1);
			addrObj.focus();
			return false;
		}
  		if (sign==-1)
		{
			alert(msgEmail2);
			addrObj.focus();
			return false;
		}
 	 	if (sign==(addr.length-1))
		{
			alert(msgEmail3);
			addrObj.focus();
			return false;
		}
  		if (period==-1)
		{
    		alert(msgEmail4);
			addrObj.focus();
			return false;
  		}
		
		return true;
	}
	else
	{
		alert("Please enter a valid e-mail address.");
		addrObj.focus();
		return false;
	}
}