function getBrowserWidth()
{
	if (window.innerWidth)
	{
		return window.innerWidth;
	}
	else if (document.documentElement && document.documentElement.clientWidth != 0)
	{
		return document.documentElement.clientWidth;
	}
	else if (document.body)
	{
		return document.body.clientWidth;
	}
	
	return 0;
};
function check()
{
	var theWidth = getBrowserWidth();
	if (theWidth < 900)
	{
		document.body.style.overflowX= "scroll";			
	}
}