// JavaScript Document

function ground()
{
	var showRow = (navigator.appName.indexOf("Internet Explorer") != -1) ? "block" : "table-row";	
	document.getElementById('ground').style.display=showRow;	
	document.getElementById('first').style.display='none';
	document.getElementById('second').style.display='none';
	document.getElementById('third').style.display='none';
}
function first()
{
	var showRow = (navigator.appName.indexOf("Internet Explorer") != -1) ? "block" : "table-row";	
	document.getElementById('ground').style.display='none';	
	document.getElementById('first').style.display=showRow;
	document.getElementById('second').style.display='none';
	document.getElementById('third').style.display='none';
}
function second()
{
	
	var showRow = (navigator.appName.indexOf("Internet Explorer") != -1) ? "block" : "table-row";	
	document.getElementById('ground').style.display='none';	
	document.getElementById('first').style.display='none';
	document.getElementById('second').style.display=showRow;
	document.getElementById('third').style.display='none';
	
}
function third()
{
	var showRow = (navigator.appName.indexOf("Internet Explorer") != -1) ? "block" : "table-row";	
	document.getElementById('ground').style.display='none';	
	document.getElementById('first').style.display='none';
	document.getElementById('second').style.display='none';
	document.getElementById('third').style.display=showRow;
}