$("document").ready(function() {
    $("#mainshell").css("min-height",getHeight() + "px");
    
    window.setTimeout(function() {
        $("#top-header").animate({"top":"67px"});
    },500);
    
    $(window).resize(function() {
        $("#mainshell").css("min-height",getHeight() + "px");    
    });
});

function getHeight() {
    var y = 0;
    if (self.innerHeight) {
        y = self.innerHeight;
    }
    else if (document.documentElement && document.documentElement.clientHeight) {
        y = document.documentElement.clientHeight;
    }
    else if (document.body) {
        y = document.body.clientHeight;
    }
    return y;
}