window.onload = function() {
	analizing();
	resizing();
}

function setCanvas(h) {
	$('#all').css('height',h+'px');
}

function resizing() {
	window.onresize = function() {
		analizing();
	}
}

function analizing() {
	var min = '830';
	var h = $("html").outerHeight();
	if (h < min) setCanvas(min);
	else setCanvas(h-3);
}