var agt = navigator.userAgent.toLowerCase(); // converts userAgent string to lower case
		
var is_major = parseInt(navigator.appVersion); // check browser version
		
// checks for Netscape
var is_nav = ( (agt.indexOf('mozilla') != -1) && (agt.indexOf('spoofer') == -1)
				&& (agt.indexOf('compatible') == -1) && (agt.indexOf('opera') == -1)
				&& (agt.indexOf('webtv') == -1) && (agt.indexOf('hotjava') == -1) );
						
var is_nav4 = ( is_nav && (is_major == 4) ); // checks Netscape 4
		
		
function displayMenus() {

	if(is_nav4) {

		//alert('nav4');
				
		document.write(' <table width="457" height="25" border="0" cellpadding="0" cellspacing="0"> ');
		document.write('	<tr align="center" valign="middle"> ');
		document.write('		<td class="boes1"><a href="/aboutJewellery.html">About our Jewellery1</a></td> ');
		document.write('		<td class="boes1"><a href="/historyOfGold.html">About Gold Nuggets</a></td> ');
		document.write('		<td class="boes1"><a href="/termsOfTrade.html">Terms of Trade</a></td> ');
		document.write('		<td class="boes1"><a href="/gallery/Default.aspx.html>Buy Nugget Jewellery</a></td>');
		document.write('	</tr>');
		document.write(' </table>');		
				
	} else {
			
		//alert('not nav4');
		document.write( '<scr' + 'ipt language="JavaScript" type="text/javascript" src="js/exmplmenu_var.js"></scr' + 'ipt>'); 
		document.write( '<scr' + 'ipt language="JavaScript" type="text/javascript" src="js/menu_com.js"></scr' + 'ipt>'); 
	}
}
	
displayMenus();