function resize() {
	//böngésző ablak méretének lekérdezése
	if (window.innerHeight) {
		windowHeight = window.innerHeight;
	}
	else if (document.documentElement && document.documentElement.clientHeight) {
		windowHeight = document.documentElement.clientHeight;
	}
	else if (document.body) {
		windowHeight = document.body.clientHeight;
	}
	
	//tartalom magassága
	contentHeight = document.getElementById('content').offsetHeight + 45 + 256 + 31;
	
	if (contentHeight > windowHeight) {
		document.getElementById('container').style.height = contentHeight + 'px';
		document.getElementById('main_1').style.height = contentHeight - 287 + 'px';
	}
	else {
		document.getElementById('main_1').style.height = document.getElementById('container').offsetHeight - 287 + 'px';
	}
}

window.onresize = function() {
	resize();
}