function dmlight(tableobj,num)
{
	tableobj.style.filter='alpha(opacity=100)';
	eval('dm'+num+'.src="images/redarrow.gif";');
	eval('dmt'+num+'.style.color="#FF2B00";');
}

function dmunlight(tableobj,num)
{
	tableobj.style.filter='alpha(opacity=60)';
	eval('dm'+num+'.src="images/greyarrow.gif";');
	eval('dmt'+num+'.style.color="#175684";');
}