function exp(expand)
{
if(document.all(expand).style.display =="none")
	{
	document.all(expand).style.display ="";
	}
		else
		{
	document.all(expand).style.display ="none";
	}
}

function hide(hide)
{ document.all(hide).style.display ="none"; }

function show(show)
{ document.all(show).style.display =""; }