/*
This library is used by the Site db and the News & Events db.
It is referenced by any page containing login / logout functionality.
Greg Elston
www.HaverstickConsulting.com
October 2003
*/

//***** Cookie handler begin
var acceptsCookies = false;
if (document.cookie == '') {
	document.cookie = 'acceptsCookies=yes'; // Try to set a cookie.
	if (document.cookie.indexOf('acceptsCookies=yes') != -1) {
		acceptsCookies = true; 
	}// If it succeeds, set variable
} else { // there was already a cookie
  acceptsCookies = true;
}

function setCookie (name, value, hours, path, domain, secure) {
    if (acceptsCookies) { // Don't waste your time if the browser doesn't accept cookies.
	var not_NN2 = (navigator && navigator.appName 
		       && (navigator.appName == 'Netscape') 
		       && navigator.appVersion 
		       && (parseInt(navigator.appVersion) == 2))?false:true;

	if(hours && not_NN2) { // NN2 cannot handle Dates, so skip this part
	    if ( (typeof(hours) == 'string') && Date.parse(hours) ) { // already a Date string
			var numHours = hours;
	    } else if (typeof(hours) == 'number') { // calculate Date from number of hours
			var numHours = (new Date((new Date()).getTime() + hours*3600000)).toGMTString();
	    }
	}
	document.cookie = name + '=' + escape(value) + ((numHours)?(';expires=' + numHours):'') + ((path)?';path=' + path:'') + ((domain)?';domain=' + domain:'') + ((secure && (secure == true))?'; secure':''); // Set the cookie, adding specified parameters.
    }
} // setCookie


function readCookie(name) {
    if(document.cookie == '') { // there's no cookie, so go no further
    	return false;
    } else { // there is a cookie
	var firstChar, lastChar;
	var theBigCookie = document.cookie;
	firstChar = theBigCookie.indexOf(name);	// find the start of 'name'
	var NN2Hack = firstChar + name.length;
	if((firstChar != -1) && (theBigCookie.charAt(NN2Hack) == '=')) { // if you found the cookie
	    firstChar += name.length + 1; // skip 'name' and '='
	    lastChar = theBigCookie.indexOf(';', firstChar); // Find the end of the value string (i.e. the next ';').
	    if(lastChar == -1) lastChar = theBigCookie.length;
	    return unescape(theBigCookie.substring(firstChar, lastChar));
	} else { // If there was no cookie of that name, return false.
	    return false;
	}
    }	
} // readCookie
//***** Cookie handler end

//***** Username stuff
function setUsername(logonform, cookiename) {
	if (cookiename.length < 1) cookiename="userID"
		userID = readCookie(cookiename);
	if (userID.length > 0) {
		logonform.Username.value = userID;
	}
}

function storeUsername(thisform, cookiename, hoursExp, thisPath) {
	if (cookiename.length < 1) cookiename="userID"
	if (thisform.Username.value.length > 0) {
		setCookie(cookiename,thisform.Username.value, hoursExp, thisPath)
	}
}

//*****Pwd Stuff
function setPwd(logonform,cookiename) {
	if (cookiename.length < 1) cookiename="userPwd"
	userPwd = readCookie(cookiename);
	if (userPwd.length > 0) {
		logonform.Password.value = userPwd;
		if (logonform.ReasonType && logonform.ReasonType.value != '0') {
			logonform.Password.focus();
			logonform.Password.select();
		}
		if (logonform.RememberPassword) {
			logonform.RememberPassword.checked = true;
		}
	}
}

function storePwd(thisform, cookiename, hoursExp, thisPath) {
	if (cookiename.length < 1) cookiename="userPwd"
	if (thisform.Username.value.length > 0) {
		setCookie(cookiename,thisform.Password.value, hoursExp, thisPath)
	}
}

function expCookie() {
//		setCookie('Username', '', -10, '/');
		setCookie('UsernamePwd', '', -10, '/');
}