function footer_tabClick(action)
{
	var tab = 'footer_'+action;
	
	if(navigator.appName=='Netscape')
	{
		document.getElementById('footer_web').style.fontWeight = 'normal';
		document.getElementById('footer_images').style.fontWeight = 'normal';
		document.getElementById('footer_video').style.fontWeight = 'normal';
		document.getElementById(tab).style.fontWeight = 'bold';

		document.getElementById('footer_action').value = action;
	}
	else
	{
		document.all['footer_web'].style.fontWeight = 'normal';
		document.all['footer_images'].style.fontWeight = 'normal';
		document.all['footer_video'].style.fontWeight = 'normal';
		document.all[tab].style.fontWeight = 'bold';
		
		document.all['footer_action'].value = action;
	}
}

function submit_footer_search()
{
	(navigator.appName=='Netscape') ? document.getElementById('footer_searchform').submit() : document.all['footer_searchform'].submit();
}