// Page Global Vars
var pageBrWidth                = 0;
var pageBrHeight        = 0;

function resizePage()
{
        pageBrWidth  = window.innerWidth ? window.innerWidth : window.document.documentElement.clientWidth;
        pageBrHeight = window.innerHeight ? window.innerHeight : window.document.documentElement.clientHeight;

        document.getElementById("centerElement").style.height = pageBrHeight + "px";
}

function onLoad()
{
        pageBrWidth  = window.innerWidth ? window.innerWidth : window.document.documentElement.clientWidth;
        pageBrHeight = window.innerHeight ? window.innerHeight : window.document.documentElement.clientHeight;

        resizePage();

        //Regist Resize Eventhandle
        document.onresize        = resizePage;
        window.onresize          = resizePage;
}