function CheckGroup(s)
{
	var state = document.getElementById(s).checked;
	var i=1;
	while (document.getElementById(s+"0"+i))
	{
			document.getElementById(s+"0"+i).checked= state;
			CheckGroup(s+"0"+i);
			i++;
	}
}

function CheckAll(s,b)
{
	document.getElementById(s).checked = b;
	CheckGroup(s);
}

function ShowDiv(s)
{	
	objImg = document.getElementById('img'+s);
	objDiv = document.getElementById('div'+s);

	if (objImg.alt == "+")
	{
		objImg.src="/img/rolldown.gif";
		objImg.alt="-";
		objDiv.style.display="block";
	}
	else
	{
		objImg.src="/img/rollup.gif";
		objImg.alt="+";	
		objDiv.style.display="none";		
	}
}

function Show(n)
{
	if(n==1){ s='block';} 
	else { s='none';}

	document.getElementById('filters').style.display = s; 
}