function showContainer(container_id)
{
    var element = document.getElementById(container_id);

    switch (element.tagName)
    {
        case 'SPAN':
            var display = 'inline';
            break;

        case 'DIV':
        default:
            var display = 'block';
    }

    element.style.display = display;
}

function hideContainer(container_id)
{
    document.getElementById(container_id).style.display = 'none';
}


function SetCookie(cookieName, cookieValue)
{
    document.cookie = cookieName + "=" + escape(cookieValue) + ";path=/";
}

function SetCookieDays(cookieName, cookieValue, nDays)
{
    var today = new Date();
    var expire = new Date();
    if (nDays==null || nDays==0) nDays=1;
    expire.setTime(today.getTime() + 3600000*24*nDays);
    document.cookie = cookieName + "=" + escape(cookieValue) + ";path=/;expires=" + expire.toGMTString();
}

function ReadCookie(cookieName)
{
	var nameEQ = cookieName + "=";
	var ca = document.cookie.split(';');
	for(var i=0;i < ca.length;i++) {
		var c = ca[i];
		while (c.charAt(0)==' ') c = c.substring(1,c.length);
		if (c.indexOf(nameEQ) == 0) return c.substring(nameEQ.length,c.length);
	}
	return null;
}