function duzyRozmiarCzcionki() {
	document.getElementById("zawartosc_glowna").style.fontSize = "15px";
	document.getElementById("zawartosc_glowna").style.lineHeight = "29px";
	
}
function sredniRozmiarCzcionki() {
	document.getElementById("zawartosc_glowna").style.fontSize = "13px";
	document.getElementById("zawartosc_glowna").style.lineHeight = "19px";
}
function malyRozmiarCzcionki() {
	document.getElementById("zawartosc_glowna").style.fontSize = "11px"; //11px
	document.getElementById("zawartosc_glowna").style.lineHeight = "15px";
}

function updatePage() {
	
	if (document.getElementById) {	
		var right = document.getElementById("zawartosc_glowna");
		var left = document.getElementById("pasek_boczny");
		var box = document.getElementById("zawartosc");
	} else if (document.all) {
		var right = document.all["zawartosc_glowna"];
		var left = document.all["pasek_boczny"];
		var box = document.all["zawartosc"];
	}

	if (left && right) {
		lH = left.offsetTop + left.offsetHeight;
		rH = right.offsetTop + right.offsetHeight;

		if (rH > lH) {
			h = rH - box.offsetTop;
			box.style.height = h + 'px';
		}
	}
}