function changepic(id) {
	var sectorpic = id;
		// check the browser
		var browser = navigator.appName;
		var b_version = navigator.appVersion;
		var version = parseFloat(b_version);
		if ((browser=="Microsoft Internet Explorer") && (version=6))
		{
			// show IE6 method
			document.getElementById('hp_banner').style.backgroundImage  = 'url(files/banners/' + sectorpic + '_lrg.jpg)';
		}
		else {
			document.getElementById('hp_banner').className = sectorpic;
		}
}

function restorepic() {
	// check the browser
	var browser = navigator.appName;
	var b_version = navigator.appVersion;
	var version = parseFloat(b_version);
	if ((browser=="Microsoft Internet Explorer") && (version=6))
	{
		// show IE6 method
		document.getElementById('hp_banner').style.backgroundImage  = 'url(files/banners/welcome_lrg.jpg)';
	}
	else {
		document.getElementById('hp_banner').className = 'none';
	}
}