function setSize()
{
	var y = window.getSize().size.y;
	if(y <= 0) return;
	if(y < 530) y = 530;
	if(document.getElementById('layout_content'))
		$('layout_content').setStyles({ height:y-310});		
	if(document.getElementById('layout_content_start'))
	{
		$('layout_content_start').setStyle('height',y-310);
	}
}
window.onresize = setSize;
window.addEvent('domready',function() {setSize(); });