// Hide bottom on screens that are not tall enough to display it.

function growGrass()
{
	var h = 0;
	if(! window.innerHeight) {
		if(! (document.documentElement.clientHeight == 0)) {
			h = document.documentElement.clientHeight;
		}
		else {
			h = document.body.clientHeight;
		}
	}
	else {
		h = window.innerHeight;
	}

	if((h > 0) && (h < 720)) {
		$("#bottom").css("display", "none");
	}
}