function checkLogin()
{
	var txtUsername = document.getElementById("txtUsername").value;
	var txtPassword = document.getElementById("txtPassword").value;
	
	if(txtUsername == "" || txtPassword == "")
	{
		alert("You must enter a username/password to login to RuckingBall");
		return false;
	}
	else
	{
		return true;
	}
}

function openPreSignup(){
    Shadowbox.open({
        player:     'html',
        content:    '<div class="preSign"><div class="inner"><iframe src="/wp-content/themes/default/signup.html" width="100%" height="320px" style="overflow: hidden; border: 0px none;" scrolling="no" frameborder="0"></iframe></div></div>',
        height:     458,
        width:      457,
		overlayOpacity: 0.4
    });
}