var expDays = 30;
var exp = new Date();
exp.setTime(exp.getTime() + (expDays*24*60*60*1000));

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 (name) {
var exp = new Date();
exp.setTime (exp.getTime() - 1);
var cval = GetCookie (name);
document.cookie = name + "=" + cval + "; expires=" + exp.toGMTString();
}

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

function checkUserID(){
        var newvalue = GetCookie('dcuserid');
        if ((newvalue !=null) && ( newvalue !="***CLEARED***")){
                setValues(0,newvalue);
        }
        return;
}

function setValues(dropDownValue,newvalue){
	document.forms["loginForm"].elements["accountType"].selectedIndex=dropDownValue;
	document.forms["loginForm"].elements["userID"].value=newvalue;
	document.forms["loginForm"].elements["rememberOption"].checked="checked";
}

function changeCookie(){
        if (document.forms["loginForm"].elements["accountType"].selectedIndex==0){
                var newvalue = GetCookie('dcuserid');
                document.forms["loginForm"].elements["password"].value="";
               document.forms["loginForm"].elements["rememberOption"].disabled=false;
                if ((newvalue !=null) && ( newvalue !="***CLEARED***")){
                setValues(0,newvalue);
                }
        }
        return;
}

function dplDisable(){
                var newvalue = GetCookie('dcuserid');
                if (newvalue == document.forms["loginForm"].elements["userID"].value){
                document.forms["loginForm"].elements["userID"].value="";
                document.forms["loginForm"].elements["password"].value="";
		document.forms["loginForm"].elements["userID"].focus();
                }
                document.forms["loginForm"].elements["rememberOption"].checked=false;
                //document.forms["loginForm"].elements["rememberOption"].disabled=true;

}

function changeOption(opt)
{
	switch(opt)
	{
		case "Discover Card":changeCookie();
			break;
		case "Discover Savings":dplDisable();
			break;
	}
}