window.onload = checkWinHeight;
window.onresize  = checkWinHeight;
var resized = false;
function checkWinHeight() {
	var n;
	if(document.getElementById) {
		var h = (window.innerHeight > 0) ? window.innerHeight: document.documentElement.clientHeight;
		if(h <= 768) {
			n = document.getElementById("layout-container");
			n.style.marginTop = "15px";
			n.style.top = "0px";
			resized = true;
		} else if(resized == true) {
			n = document.getElementById("layout-container");
			n.style.marginTop = "-305px";
			n.style.top = "50%";
			resized = false;
		}
	}
}