Creating custom icon for markers In Google Maps.

custom_marker.js

$("#map_extended").gMap({
	controls: false,
	scrollwheel: true,
	maptype: 'TERRAIN',
	markers: [
		{
			latitude: 47.670553,
			longitude: 9.588479,
			icon: {
				image: "images/gmap_pin_orange.png",
				iconsize: [26, 46],
				iconanchor: [12,46]
			}
		},
        {
			latitude: 47.65197522925437,
			longitude: 9.47845458984375
		},
		{
			latitude: 47.594996,
			longitude: 9.600708,
			icon: {
				image: "images/gmap_pin_grey.png",
				iconsize: [26, 46],
				iconanchor: [12,46]
			}
		}
	],
	icon: {
		image: "images/gmap_pin.png", 
		iconsize: [26, 46],
		iconanchor: [12, 46]
	},
	latitude: 47.58969,
	longitude: 9.473413,
	zoom: 10
});