function gmap_tvh(lon,lat,zoom,area)	{
	var map = new GMap(document.getElementById(area));
	var myoffice = new GPoint(lon,lat);
	map.centerAndZoom(myoffice , zoom);

	var baseIcon = new GIcon();

	baseIcon.shadow = 'http://www.google.com/mapfiles/shadow50.png';
	baseIcon.iconSize = new GSize(20, 34);
	baseIcon.shadowSize = new GSize(37, 34);
	baseIcon.iconAnchor = new GPoint(9, 34);
	baseIcon.infoWindowAnchor = new GPoint(9, 2);
	baseIcon.infoShadowAnchor = new GPoint(18, 25);

	var icon = new GIcon(baseIcon);

	map.addControl(new GSmallMapControl());
	map.addControl(new GMapTypeControl());
	
	var marker = new GMarker(myoffice);
	map.addOverlay(marker);
}