// Library routines assembled by Craig E. Ward
// Compilation Copyright 2001-2003 Craig E. Ward
var isNavigator = (navigator.appName.indexOf('Netscape') != -1);
var isMSIE = (navigator.appName.indexOf('Microsoft Internet Exp') != -1);
var isiCab = (navigator.appName.indexOf('iCab') != -1);
var isOpera = (navigator.appName.indexOf('Opera') != -1);
var isOmni = (navigator.userAgent.indexOf('Omni') != -1);
var isSafari = (navigator.userAgent.indexOf('Safari') != -1);
var isKHTML = (navigator.userAgent.indexOf('Konqueror') != -1) ;
var isGecko = ((navigator.userAgent.indexOf('Gecko') != -1) && !isSafari);
var appVersion = 0;
var appMajor = 0;
// This is of limited use now. Many browsers just say "5" and hide the
// real version data elsewhere in the string.
if (!isMSIE) {
	appVersion = Math.round((parseFloat(navigator.appVersion)) * 100);
	appMajor = parseInt(navigator.appVersion);
} else {
	tempA = navigator.userAgent.split(';');
//	alert("tempA[1] = " + "'" + tempA[1] + "'");
	tempB = tempA[1].split(' ');
//	alert("tempB = " + tempB + " tempB[2] = " + tempB[2]);
	appVersion = Math.round((parseFloat(tempB[2])) * 100);
	appMajor = parseInt(tempB[2]);
}

/*
alert("navigator.appVersion=" + navigator.appVersion + " navigator.userAgent=" + navigator.userAgent + " navigator.appName=" + navigator.appName + " navigator.platform="+ navigator.platform + "\r\nappVersion=" + appVersion + "  appMajor=" + appMajor + " isNavigator=" + isNavigator + " isiCab=" + isiCab + " isMSIE=" +isMSIE + " isOpera=" + isOpera);
*/
// showModifiedDate.js

var months = new Array('January','February','March','April','May','June','July','August','September','October','November','December');
var days = new Array('Sunday','Monday','Tuesday','Wednesday','Thursday','Friday','Saturday');

function showModifiedDate()
{
	if (Date.parse(document.lastModified) != 0) {
		var timeStamp = new Date(document.lastModified);
		document.write ('<p style="font-style:italic;">Page last modified: ' 
				+ days[timeStamp.getDay()] + ' ' + months[timeStamp.getMonth()]
				+ ' ' + timeStamp.getDate() + ', ' + yearToString(timeStamp)
				+ '</p>');
	}
}

function yearToString(aTime)
{
// JavaScript 1.2+ have method for this.
	if (aTime.getFullYear) {
		return aTime.getFullYear();
	}
// simulate for JavaScript 1.1
	var y = aTime.getYear()
	if (y < 1000) y += 1900;
	return y;
}

//
// Open an "info" window
//
function openInfoWindow(url, width, height) {
		var winParams = 'toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=yes,resizable=yes,width=' + width + ',height=' + height;
        popUpWin = window.open(url,'infoWin', winParams);

        popUpWin.focus();
}

openInfo = true; // set flag that we loaded successfully
//alert("relativeFilePath_created=" + relativeFilePath_created);
function openWindow(url) {
        openInfoWindow(url,650,550);
} 

//
// Do nice back for internal navigation
//
function backNavigate()
{
	// Make a simple test to see if we're in our own site...
/*	if (document.referrer != null &&
		document.referrer.indexOf('cew') != -1 ) 	*/
	if (document.referrer != null) {
			document.write('<div style="position: absolute; left: 10px;">');
			document.write('<a href="' + document.referrer + '">' +
				   	       '<img src="' + relativeGraphicsPath("back.gif") + 
				   	       '" alt="back arrow" width="20" height="22" ' +
				           'hspace="1" vspace="1" border="0" align="middle" />' +
				           '<' + '/a>');
			document.write('</div>');
	}
}

function relativeGraphicsPath(filename)
{
	var callPath = location.pathname.split('/');
	var relativePath = new String('graphics/' + filename);
	for (i = 0; i < callPath.length - 3; i++) {
		relativePath = '../' + relativePath;
	}
	return relativePath;
}

// Routines to support Search form
function isBlank(s)
{
	for (var i = 0; i < s.length; i++) {
		var c = s.charAt(i);
		if ((c != ' ') && (c != '\n') && (c != '')) return false;
	}
	return true;
}


function stringNotEmpty(aString)
{
	//alert('Checking "' + aString + '"');
	if (aString == null || aString == "" || isBlank(aString)) {
		alert("You need to enter some keywords to search for!");
		return false;
	}
	return true;
}

jslibLoaded = true; // Flag success!

/* End of File */