function big(lyr) 
{
	if (navigator.appName == "Microsoft Internet Explorer") 
	{
		switch (lyr){
			case 'Layer2': 
				document.all[lyr].style.height='127px';
				document.all['sublayer1'].style.visibility= 'visible';
			break;
			case 'Layer3': 
				document.all[lyr].style.height='190px'; 
				document.all['sublayer3'].style.visibility= 'visible';
			break;
			case 'Layer7': 
				document.all[lyr].style.height='223px'; 
				document.all['sublayer7'].style.visibility= 'visible';
			break;
		}
	}
	else
	{
		switch (lyr){
			case 'Layer2': 
				document.all[lyr].style.height='120px';
				document.all['sublayer1'].style.visibility= 'visible';
			break;
			case 'Layer3': 
				document.all[lyr].style.height='184px'; 
				document.all['sublayer3'].style.visibility= 'visible';
			break;
			case 'Layer7': 
				document.all[lyr].style.height='210px'; 
				document.all['sublayer7'].style.visibility= 'visible';
			break;
		}
	}
}

function small(lyr) 
{
	document.all[lyr].style.height='15px';
}

function start() 
{
	document.all.Layer1.style.height='15px';
	document.all.Layer2.style.height='15px';
	document.all.Layer3.style.height='15px'; 
	document.all.Layer5.style.height='15px'; 
	document.all.Layer6.style.height='15px'; 
	document.all.Layer7.style.height='15px'; 
}