function init1() {
	var latlng1 = new google.maps.LatLng(52.054751, 4.508077);
	var myOptions = {
		zoom: 15,
		center: latlng1,
		mapTypeId: google.maps.MapTypeId.ROADMAP
	};
	var map = new google.maps.Map(document.getElementById("map_canvas1"), myOptions);
	var marker = new google.maps.Marker({
		position: latlng1, 
		map: map, 
		title:"Hoofdvestiging OnderwijsAdvies"
	});
}
function init2() {
	var latlng2 = new google.maps.LatLng(52.151442, 4.495371);
	var myOptions = {
		zoom: 15,
		center: latlng2,
		mapTypeId: google.maps.MapTypeId.ROADMAP
	};
	var map = new google.maps.Map(document.getElementById("map_canvas2"), myOptions);
	var marker = new google.maps.Marker({
		position: latlng2, 
		map: map, 
		title:"Vestiging Leiden"
	});
}
function init3() {
	var latlng3 = new google.maps.LatLng(52.332907, 4.650789);
	var myOptions = {
		zoom: 15,
		center: latlng3,
		mapTypeId: google.maps.MapTypeId.ROADMAP
	};
	var map = new google.maps.Map(document.getElementById("map_canvas3"), myOptions);
	var marker = new google.maps.Marker({
		position: latlng3, 
		map: map, 
		title:"Vestiging Cruquius"
	});
}
function init4() {
	var latlng4 = new google.maps.LatLng(52.257746, 4.552154);
	var myOptions = {
		zoom: 15,
		center: latlng4,
		mapTypeId: google.maps.MapTypeId.ROADMAP
	};
	var map = new google.maps.Map(document.getElementById("map_canvas4"), myOptions);
	var marker = new google.maps.Marker({
		position: latlng4, 
		map: map, 
		title:"Vestiging Cruquius"
	});
}
function loadmaps() {init1();init2();init3();init4();}