function ctlCentre()
{
	/*
	if(screen.width < 1024 || document.body.clientWidth < 1024)
	{ 
		tb = document.getElementsByTagName('div');	
		for (i=0;i<tb.length;i++)
		{
			if(tb[i].className == 'centre')
			{
				tb[i].style.left = '0px'; 
				tb[i].style.marginLeft = '0px'; 
				break;
			}
		}
	}
	else
	{
		tb = document.getElementsByTagName('div');	
		for (i=0;i<tb.length;i++)
		{
			if(tb[i].className == 'centre')
			{
				tb[i].style.left = '-499px'; 
				tb[i].style.marginLeft = '50%'; 
				break;
			}
		}
	}
	*/
}

/*
function ctlCentre()
{
		if(screen.width < 1024)
		{ 
				document.getElementById('centre').style.left = '0px'; 
				document.getElementById('centre').style.marginLeft = '0px'; 
		}
}
*/