function bot(cl)
	{
	document.getElementById(cl).className='bg1'
	}

function bot1(cl)
	{
	document.getElementById(cl).className='bg'
	}


function bot2(cl)
	{
	document.getElementById(cl).className='bg3'
	}

function bot3(cl)
	{
	document.getElementById(cl).className='bg1'
	}




function tbl()
{

			ow=screen.width;
				if (ow == 1280)
                {
                        document.getElementById("m").className="main1";
                }


}