// JavaScript Document

// Global Variables
var nextPage = "housing/studentHL.xml";
var authCode = "Vetstudentnew2school";


function getCookieVal(offset) 
{
	var endstr = document.cookie.indexOf (";", offset);
	if (endstr == -1)
	{
		endstr = document.cookie.length;
	}
	return unescape(document.cookie.substring(offset, endstr));
}

function getCookie(name)  
{
	var arg = name + "=";
	var alen = arg.length;
	var clen = document.cookie.length;
	var i = 0;
	while (i < clen)  
	{
		var j = i + alen;
		if (document.cookie.substring(i, j) == arg)
		{
			return getCookieVal(j);i = document.cookie.indexOf(" ", i) + 1;
		}
		if (i == 0) 
		{
			break; 
		}
	}
	return null;
}


function setCookie(name, value)  
{
	var argv = setCookie.arguments;
	var argc = setCookie.arguments.length;
	var expires = (argc > 2) ? argv[2] : null;
	var path = (argc > 3) ? argv[3] : null;
	var domain = (argc > 4) ? argv[4] : null;
	var secure = (argc > 5) ? argv[5] : false;
	document.cookie = name + "=" + escape (value) +
	((expires == null) ? "" : ("; expires=" + expires.toGMTString())) +
	((path == null) ? "" : ("; path=" + path)) +
	((domain == null) ? "" : ("; domain=" + domain)) +
	((secure == true) ? "; secure" : "");
}

function deleteCookie() 
{ 
	var exp = new Date();
	exp.setTime (exp.getTime() - 1000000000);  // This cookie is history
	var cval = getCookie ('housing');
	document.cookie ='housing' + "=" + cval + "; expires=" + exp.toGMTString();    
}

function cookieCreater() 
{
	if(getCookie('housing') != null) 
	{
		//location.href = nextPage;
		openWindow(nextPage,990,690);
	}
	else if(getCookie('housing') == null) 
	{
		var housing_Name = "vetHousing";
		var expdate = new Date (); 
		expdate.setTime(expdate.getTime() + (24 * 60 * 60 * 1000 * 365)); 
		setCookie('housing', housing_Name, expdate);  
		alert ("You now are logged in!");
		//location.href = nextPage;
		openWindow(nextPage,990,690);
	}
	else 
	{
		deleteCookie();
		cookieCreater();
	}
}

function check() 
{
	var tester = document.login.user.value + document.login.pass.value;
	if (tester == "") 
	{
		alert ("Please enter a username and password!");
	}
	else
	{
		if (tester == authCode) 
		{
			//alert ("That is correct!");
			cookieCreater ();
		}
		else 
		{
			alert ("I'm sorry, that code is not correct.");
      	}
   }
}