// BEGIN UTILS
function $(id) {
	return document.getElementById(id);
}
// END UTILS

/**
 * Sets a Cookie with the given name and value.
 *
 * name       Name of the cookie
 * value      Value of the cookie
 * [expires]  Expiration date of the cookie (default: end of current session)
 * [path]     Path where the cookie is valid (default: path of calling document)
 * [domain]   Domain where the cookie is valid
 *              (default: domain of calling document)
 * [secure]   Boolean value indicating if the cookie transmission requires a
 *              secure transmission
 */
function setCookie(name, value, expires, path, domain, secure)
{
    document.cookie= name + "=" + escape(value) +
        ((expires) ? "; expires=" + expires.toGMTString() : "") +
        ((path) ? "; path=" + path : "") +
        ((domain) ? "; domain=" + domain : "") +
        ((secure) ? "; secure" : "");
}

/**
 * Gets the value of the specified cookie.
 *
 * name  Name of the desired cookie.
 *
 * Returns a string containing value of specified cookie,
 *   or null if cookie does not exist.
 */
function getCookie(name)
{
    var dc = document.cookie;
    var prefix = name + "=";
    var begin = dc.indexOf("; " + prefix);
    if (begin == -1)
    {
        begin = dc.indexOf(prefix);
        if (begin != 0) return null;
    }
    else
    {
        begin += 2;
    }
    var end = document.cookie.indexOf(";", begin);
    if (end == -1)
    {
        end = dc.length;
    }
    return unescape(dc.substring(begin + prefix.length, end));
}

/**
 * Deletes the specified cookie.
 *
 * name      name of the cookie
 * [path]    path of the cookie (must be same as path used to create cookie)
 * [domain]  domain of the cookie (must be same as domain used to create cookie)
 */
function deleteCookie(name, path, domain)
{
    if (getCookie(name))
    {
        document.cookie = name + "=" + 
            ((path) ? "; path=" + path : "") +
            ((domain) ? "; domain=" + domain : "") +
            "; expires=Thu, 01-Jan-70 00:00:01 GMT";
    }
}

function storeAdSource(){
	FORM_DATA = createRequestObject();
	  // This is the array/object containing the GET data.
	  // Retrieve information with 'FORM_DATA [ key ] = value'.
	var adSource = FORM_DATA['AdSource'];
	if(adSource!=null){
		setCookie("AdSource", adSource);
	}
}

function popWin(location){
		var width = screen.width / 2;
		var height = screen.height / 2;
		var x = width / 2;
		var y = height / 2;
		var opt = "height=" + height + ", width=" + width + ", screenX=" + x + ", screenY=" + y + ", resizable=yes, scrollbars=yes";
		var helper = window.open(location, 'helper', opt);
		helper.focus()
}

function extLoad(){
	if(window.location.pathname == "/" || window.location.pathname == "/index.html") {
		document.mainLogin.UserId.focus();
	}
}