overcheck=0;
overlayer=0;
hidelayer=null;

function showLayers(layername) 
	{
	
	if(overcheck==1)
		{ 
			if(navigator.appName.indexOf('Internet Explorer')!=-1)
				document.all(layername).style.visibility="visible";
				
			else if(navigator.appName.indexOf('Netscape')!=-1) 
				{
					if(parseInt(navigator.appVersion)<6)
						document.layers[layername].visibility="show";
					
					else  
						document.getElementById(layername).visibility="visible";
				}
		}
	 
	 }
 
 
function timeout()
	{
		if(overcheck==0)
			{
				hidelayer=timeout.arguments[0];
				setTimeout("hide(hidelayer)",100);
			}
	}


function hide(name) 
	{ 
		if(overlayer==0)
			{
				if(navigator.appName.indexOf('Internet Explorer')!=-1)
					document.all(name).style.visibility="hidden";

				else  if(navigator.appName.indexOf('Netscape')!=-1)
					{
						if(parseInt(navigator.appVersion)<6)
							document.layers[name].visibility="hide"; 

						else  
							document.getElementById(name).visibility="hidden";
					}
			}
	}