function browser()
	{
	if(document.layers) // Netscape 4.x
		{
		brow=0;
		return brow;
		}
	else
		{
		if (document.all && !document.getElementsByTagName) // IE 4
			{
			brow=2;
			return brow;
			}
		else // IE 5 or Netscape 6.x
			{
			brow=1;
			return brow;
			}
		}
	}
	
function showme(num)
	{
	document.getElementById("Layer"+num).style.visibility = "visible";
	document.getElementById("Layer1").style.visibility = "visible";
	hideme(num);
	}
	
function hideme(num)
	{
	for (i=7;i<=10;i++)
		{
		if (i!=num)
			{
			document.getElementById("Layer"+i).style.visibility = "hidden";
			}
		}
	}

function hideall()
	{
	for (i=7;i<=10;i++)
		{
		document.getElementById("Layer"+i).style.visibility= "hidden";
		document.getElementById("Layer1").style.visibility = "hidden";
		}
	}
function bg_ov(ta)
	{
	document.getElementById(ta).style.backgroundColor="#7C1C1C";
	document.getElementById(ta+"_l").style.color="#FFEE67";
	}
function bg_ou(ta)
	{
	document.getElementById(ta).style.backgroundColor="#FFDFAF";
	document.getElementById(ta+"_l").style.color="#7C1C1C";
	}