showing more than one point on Google maps

Dear Experts, I have a code that shows my point on the Google map,
but I want to add my other branches on the  map.
How can I do it?
my code is below,
if you have example codes, please share with me..

<script type="text/javascript"> 
	function initialize() { 
	var secheltLoc = new google.maps.LatLng(41.060762, 28.989788); 
	var myMapOptions = { 
	zoom: 15 
	,center: secheltLoc 
	,mapTypeId: google.maps.MapTypeId.ROADMAP 
	var theMap = new google.maps.Map(document.getElementById("map_canvas"), myMapOptions); 
	var marker = new google.maps.Marker({ 
	map: theMap, 
	draggable: false, 
	position: new google.maps.LatLng(41.060762, 28.989788), 
	visible: true 
	var boxText = document.createElement("div"); = "font-family: Arial; font-size:11px; border: 1px solid grey; margin-top: 8px; background: white; padding: 5px;"; 
	boxText.innerHTML = "my info here"; 
	var myOptions = { 
	content: boxText 
	,disableAutoPan: true 
	,maxWidth: 0 
	,pixelOffset: new google.maps.Size(-140, 0) 
	,zIndex: null 
	,boxStyle: { 
	background: "url('tipbox.gif') no-repeat" 
	,opacity: 0.75 
	,width: "280px" 
	,closeBoxMargin: "10px 2px 2px 2px" 
	,closeBoxURL: "" 
	,infoBoxClearance: new google.maps.Size(1, 1) 
	,isHidden: false 
	,pane: "floatPane" 
	,enableEventPropagation: false 
	google.maps.event.addListener(marker, "click", function (e) {, this); 
	var ib = new InfoBox(myOptions);, marker); 

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Dave BaldwinFixer of ProblemsCommented:
Google has all the code available for doing that thru a MySQL database.
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