function g_click(g_obj) {
		if (document.getElementById(g_obj).value == '0') {
			document.getElementById(g_obj).value = '';
		}
	}

	function g_ell_num(g_obj) {
		if (isNaN(document.getElementById(g_obj).value)) {
			document.getElementById(g_obj).value = '0';
		}
		else {
			if (parseInt(document.getElementById(g_obj).value) > 0) {
				document.getElementById(g_obj).value = parseInt(document.getElementById(g_obj).value);
			}
			else {
				document.getElementById(g_obj).value = '0';
			}
		}
	}

	function g_ell_fogy(g_obj) {
		g_ell_num(g_obj);
		if (parseInt(document.getElementById('gaz_nagykoru').value) + parseInt(document.getElementById('gaz_kiskoru'
).value) < document.getElementById(g_obj).value) {
			document.getElementById(g_obj).value = parseInt(document.getElementById('gaz_nagykoru').value) + parseInt
(document.getElementById('gaz_kiskoru').value);
		}
	}

	function g_szamol() {
		var fe = 0;
		var n = parseInt(document.getElementById('gaz_nagykoru').value);
		var k = parseInt(document.getElementById('gaz_kiskoru').value);
		var f = parseInt(document.getElementById('gaz_fogyatekkal').value);
		var j = parseInt(document.getElementById('gaz_jovedelem').value);

		if (n == 1) {
			fe += 1;
		}
		else if (n == 2) {
			fe += 1.9;
		}
		else if (n > 2) {
			fe += 1.9 + (n - 2) * 0.8;
		}
		else {
			document.getElementById('gaz_fe_eredmeny').innerHTML = '-';
			alert('Töltse ki a mezõt!');
			document.getElementById('gaz_nagykoru').focus();
		}

		if (k == 1) {
			fe += 0.8;
		}
		else if (k == 2) {
			fe += 1.6;
		}
		else if (k > 2) {
			fe += 1.6 + (k - 2) * 0.7;
		}

		fe += f * 0.2;

		if (document.getElementById('gaz_egyedul').checked) {
			fe += 0.2;
		}

		document.getElementById('gaz_fe_eredmeny').innerHTML = ('' + Math.round(fe * 10) / 10).replace('.'
, ',');

		if ((fe > 0) && (j > 0)) {
			document.getElementById('gaz_jov_eredmeny').innerHTML = ('' + Math.round(10 * j / fe) / 10).replace
('.', ',');
		}
		else {
			document.getElementById('gaz_jov_eredmeny').innerHTML = '-';
		}
	}