Marker aus CSV laden, verschieben und dann wieder speichern

Hallo Zusammen,

aktuell habe ich als Baselayer ein Image (Lageplan). Hier lade ich einige Marker aus einer CSV Datei hinzu.
Das Verschieben der Marker klappt auch schon, jedoch habe ich noch keinen Ansatzpunkt wie ich die neue Position dauerhaft wieder in der CSV Datei speichern kann.
Zusätzlich würde ich gerne neue Marker per Button hinzufügen können.

Wer kann mir hier weiterhelfen?

Danke
Mark

<!DOCTYPE html>
<html>
  <head>
    <meta http-equiv="Content-Type" content="text/html; charset=utf-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=0">
    <meta name="apple-mobile-web-app-capable" content="yes">
    <title>Lageplan</title>
    <link rel="stylesheet" href="../theme/default/style.css" type="text/css">
    <link rel="stylesheet" href="style.css" type="text/css">
    <style type="text/css">
        p.caption {
            width: 512px;
        }
    </style>
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    <script type="text/javascript">
        var map;
        function init(){
            map = new OpenLayers.Map('map');

            var graphic = new OpenLayers.Layer.Image(
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			var vectors = new OpenLayers.Layer.Text( "Vector Layer", {location: "./daten.csv"} );
        
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    </script>
  </head>
  
  <body onload="init()">
    <h1 id="title">Lageplan</h1>

    <div id="tags">
        image, imagelayer
    </div>

    <p id="shortdesc">
        Übersciht der Stationen, MSHV, NSHV und UV's
    </p>

    <div id="map" class="smallmap"></div>

	<div id="controls">
        <ul id="controlToggle">
            <li>
                <input type="radio" name="type" value="none" id="noneToggle"
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                <label for="noneToggle">navigate</label>
            </li>
            <li>
                <input type="radio" name="type" value="point" id="pointToggle" onclick="toggleControl(this);" />
                <label for="pointToggle">draw point</label>
            </li>
            <li>
                <input type="radio" name="type" value="line" id="lineToggle" onclick="toggleControl(this);" />
                <label for="lineToggle">draw line</label>
            </li>
            <li>
                <input type="radio" name="type" value="polygon" id="polygonToggle" onclick="toggleControl(this);" />
                <label for="polygonToggle">draw polygon</label>
            </li>
            <li>
                <input type="radio" name="type" value="regular" id="regularToggle" onclick="toggleControl(this);" />
                <label for="regularToggle">draw regular polygon</label>
                <label for="sides"> - sides</label>
                <input id="sides" type="text" size="2" maxlength="2"
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                <ul>
                    <li>
                        <input id="irregular" type="checkbox"
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                        <label for="irregular">irregular</label>
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            </li>
            <li>
                <input type="radio" name="type" value="modify" id="modifyToggle"
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                        <label for="createVertices">allow vertices creation</label>
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                    <li>
                        <input id="rotate" type="checkbox"
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                        <label for="rotate">allow rotation</label>
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                        <label for="resize">allow resizing</label>
                        (<input id="keepAspectRatio" type="checkbox"
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                        <label for="drag">allow dragging</label>
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                </ul>
            </li>
        </ul>
    </div>
  	
    <div id="docs">
        <p class="caption">
            Mark
        </p>
    </div>
	
  </body>
</html>