function writeMenu(pg){

	var strMenu = '';

	if(pg == 1){
		strMenu = strMenu + '<a href="index.html" onmouseout="MM_swapImgRestore()" ' +
		'onmouseover="MM_swapImage(\'home\',\'\',\'images/nav_buttons/home_ro.jpg\',1)">'+
			'<img src="images/nav_buttons/page_home.jpg" alt="TWS Home" name="home" ' + 
			'width="163" height="30" border="0" id="home" />' +
		'</a> ';}
	else {
		strMenu = strMenu + '<a href="index.html" onmouseout="MM_swapImgRestore()" ' +
		'onmouseover="MM_swapImage(\'home\',\'\',\'images/nav_buttons/home_ro.jpg\',1)">'+
			'<img src="images/nav_buttons/home.jpg" alt="TWS Home" name="home" ' + 
			'width="163" height="30" border="0" id="home" />' +
		'</a> ';}

	if(pg == 2){
		strMenu = strMenu + '<a href="data.html" onmouseout="MM_swapImgRestore()" ' +
		'onmouseover="MM_swapImage(\'data\',\'\',\'images/nav_buttons/data_ro.jpg\',1)">' + 
			'<img src="images/nav_buttons/page_data.jpg" alt="Data &amp; Methods" name="data" ' + 
			'width="163" height="30" border="0" id="data" />' +
		'</a>';}
	else {
		strMenu = strMenu + '<a href="data.html" onmouseout="MM_swapImgRestore()" ' +
		'onmouseover="MM_swapImage(\'data\',\'\',\'images/nav_buttons/data_ro.jpg\',1)">' + 
			'<img src="images/nav_buttons/data.jpg" alt="Data &amp; Methods" name="data" ' + 
			'width="163" height="30" border="0" id="data" />' +
		'</a>';}

	if(pg == 3){
		strMenu = strMenu + '<a href="climatology.html" onmouseout="MM_swapImgRestore()" ' +
		'onmouseover="MM_swapImage(\'climatology\',\'\',\'images/nav_buttons/climatology_ro.jpg\',1)">' +
			'<img src="images/nav_buttons/page_climatology.jpg" alt="Climatology" name="climatology" ' +
			'width="163" height="30" border="0" id="climatology" />' +
		'</a>';}
	else {
		strMenu = strMenu + '<a href="climatology.html" onmouseout="MM_swapImgRestore()" ' +
		'onmouseover="MM_swapImage(\'climatology\',\'\',\'images/nav_buttons/climatology_ro.jpg\',1)">' +
			'<img src="images/nav_buttons/climatology.jpg" alt="Climatology" name="climatology" ' +
			'width="163" height="30" border="0" id="climatology" />' +
		'</a>';}

	if(pg == 4){
		strMenu = strMenu + '<a href="timeseries.html" onmouseout="MM_swapImgRestore()" ' +
		'onmouseover="MM_swapImage(\'time\',\'\',\'images/nav_buttons/time_series_ro.jpg\',1)">' +
			'<img src="images/nav_buttons/page_timeseries.jpg" alt="TWS Time Series" name="time" ' +
			'width="163" height="30" border="0" id="time" />' +
		'</a>';}
	else {
		strMenu = strMenu + '<a href="timeseries.html" onmouseout="MM_swapImgRestore()" ' +
		'onmouseover="MM_swapImage(\'time\',\'\',\'images/nav_buttons/time_series_ro.jpg\',1)">' +
			'<img src="images/nav_buttons/time_series.jpg" alt="TWS Time Series" name="time" ' +
			'width="163" height="30" border="0" id="time" />' +
		'</a>';}

	if(pg == 5){
		strMenu = strMenu + '<a href="maps.html" onmouseout="MM_swapImgRestore()" ' +
		'onmouseover="MM_swapImage(\'maps\',\'\',\'images/nav_buttons/tws_maps_ro.jpg\',1)">' +
			'<img src="images/nav_buttons/page_maps.jpg" alt="TWS Maps" name="maps" ' +
			'width="163" height="30" border="0" id="maps" />'+
		'</a>';}
	else {
		strMenu = strMenu + '<a href="maps.html" onmouseout="MM_swapImgRestore()" ' +
		'onmouseover="MM_swapImage(\'maps\',\'\',\'images/nav_buttons/tws_maps_ro.jpg\',1)">' +
			'<img src="images/nav_buttons/tws_maps.jpg" alt="TWS Maps" name="maps" ' +
			'width="163" height="30" border="0" id="maps" />'+
		'</a>';}

	if(pg == 6){
		strMenu = strMenu + '<a href="downloads.html" onmouseout="MM_swapImgRestore()" ' +
		'onmouseover="MM_swapImage(\'downloads\',\'\',\'images/nav_buttons/downloads_ro.jpg\',1)">' +
			'<img src="images/nav_buttons/page_downloads.jpg" alt="Downloads" name="downloads" ' +
			'width="163" height="30" border="0" id="downloads" />' +
		'</a>';}
	else {
		strMenu = strMenu + '<a href="downloads.html" onmouseout="MM_swapImgRestore()" ' +
		'onmouseover="MM_swapImage(\'downloads\',\'\',\'images/nav_buttons/downloads_ro.jpg\',1)">' +
			'<img src="images/nav_buttons/downloads.jpg" alt="Downloads" name="downloads" ' +
			'width="163" height="30" border="0" id="downloads" />' +
		'</a>';}

	if(pg == 7){
		strMenu = strMenu + '<a href="links.html" onmouseout="MM_swapImgRestore()" ' +
		'onmouseover="MM_swapImage(\'linnks\',\'\',\'images/nav_buttons/links_ro.jpg\',1)">' +
			'<img src="images/nav_buttons/page_links.jpg" alt="Links" name="linnks" ' +
			'width="163" height="30" border="0" id="linnks" />' +
		'</a>';}
	else {
		strMenu = strMenu + '<a href="links.html" onmouseout="MM_swapImgRestore()" ' +
		'onmouseover="MM_swapImage(\'linnks\',\'\',\'images/nav_buttons/links_ro.jpg\',1)">' +
			'<img src="images/nav_buttons/links.jpg" alt="Links" name="linnks" ' +
			'width="163" height="30" border="0" id="linnks" />' +
		'</a>';}


	if(pg == 8){
		strMenu = strMenu + '<a href="acknowledgement.html" onmouseout="MM_swapImgRestore()" ' +
		'onmouseover="MM_swapImage(\'acknow\',\'\',\'images/nav_buttons/acknowledge_ro.jpg\',1)">' +
			'<img src="images/nav_buttons/page_acknow.jpg" alt="Acknowledgements" name="acknow" ' +
			'width="163" height="30" border="0" id="acknow" />' +
		'</a>';}
	else {
		strMenu = strMenu + '<a href="acknowledgement.html" onmouseout="MM_swapImgRestore()" ' +
		'onmouseover="MM_swapImage(\'acknow\',\'\',\'images/nav_buttons/acknowledge_ro.jpg\',1)">' +
			'<img src="images/nav_buttons/acknowledge.jpg" alt="Acknowledgements" name="acknow" ' +
			'width="163" height="30" border="0" id="acknow" />' +
		'</a>';}

	if(pg == 9){
		strMenu = strMenu + '<a href="about_us.html" onmouseout="MM_swapImgRestore()" ' +
		'onmouseover="MM_swapImage(\'about\',\'\',\'images/nav_buttons/about_ro.jpg\',1)">' +
			'<img src="images/nav_buttons/page_about.jpg" alt="About Us" name="about" ' +
			'width="163" height="30" border="0" id="about" />' +
		'</a> ';}
	else {
		strMenu = strMenu + '<a href="about_us.html" onmouseout="MM_swapImgRestore()" ' +
		'onmouseover="MM_swapImage(\'about\',\'\',\'images/nav_buttons/about_ro.jpg\',1)">' +
			'<img src="images/nav_buttons/about.jpg" alt="About Us" name="about" ' +
			'width="163" height="30" border="0" id="about" />' +
		'</a> ';}

	document.write(strMenu);
}