function checkWidth()
{
	if (window.innerWidth) 
	{
		winW = window.innerWidth;
	}
	if (document.documentElement.clientHeight) 
	{
		winW = document.documentElement.clientWidth;
	}
	if(winW < 990)
	{
		document.getElementById('wrapper').style.width = '770px';
		document.getElementById('footer').style.width = '500px';
		document.getElementById('footer').style.paddingRight = '0px';
		document.getElementById('footer').style.height = '30px';
		document.getElementById('right_column').style.display = 'none';
	}
	if(winW >= 990)
	{
		document.getElementById('wrapper').style.width = '990px';
		document.getElementById('footer').style.width = '498px';
		document.getElementById('footer').style.paddingRight = '222px';
		document.getElementById('footer').style.height = '58px';
		document.getElementById('right_column').style.display = 'block';
	}
}