How to get/read region item value in java script

Question

Hi All,
i have text item on a page.
how to read the item value in java script
EXAMPLE
P10_RESULT IS ITEM IT HAS VALUE "38.956472,-77.447777","38.999123,-77.026184","12.951497,70.668646","17.459075,78.456888"
NOW I WANT TO REFER ABOVE ITEM VALUE IN JAVA SCRIPT LIKE
var myPoints=new Array(&P10_RESULT.);
SO I CAN POPULATE ARRAY WITH CORDINATES
IT IS NOT WORKING
WHAT IS THAT I AM MISSING.
PLESE HELP .
ThankS
Rk

Answer 1

region header code....
<script src="http://maps.google.com/maps?file=api&v=2&key=&API_KEY." type="text/javascript"></script>
<script type="text/javascript">
//<![CDATA[
//globals
var bounds = new GLatLngBounds();
var map;
var centerPoint = new GLatLng(38.984898,-76.854549);
var gmarkers = [];
//var x= ""38.956472,-77.447777","38.999123,-//77.026184","12.951497,70.668646","17.459075,78.456888"";
//var myPoints=new Array(x);
//var myPoints=new Array($x('P10_RESULT').value);
var myPoints=new Array(document.getElementById('P10_RESULT').value);
//var myPoints=new Array("38.956472,-77.447777","38.999123,-77.026184","12.951497,70.668646","17.459075,78.456888");
function initMap()
          doLoad();
                    addMarkers();
function doLoad()
     if (GBrowserIsCompatible())
               map = new GMap2(document.getElementById("map"));
               map.setCenter(centerPoint, 7);
               map.addControl(new GScaleControl());
               map.addControl(new GLargeMapControl());
               map.addControl(new GMapTypeControl());
function myclick(i) {
GEvent.trigger(gmarkers, "click");
function addMarkers() {
     if (myPoints.length) {
          var bounds = new GLatLngBounds();
          for (n=0 ; n < myPoints.length ; n++ ) {
               var mData = myPoints[n].split(',');
               var point = new GLatLng(mData[0],mData[1]);
               bounds.extend(point);
               var marker = createMarker(mData[1],point, mData[0]);
     map.addOverlay(marker);
          map.setCenter(bounds.getCenter(), map.getBoundsZoomLevel(bounds));
function createMarker(i,point, title) {
     var marker = new GMarker(point,{title:title});
     GEvent.addListener(marker, "click", function() {
          marker.openInfoWindowHtml('<div style="width:250px;">' + title + '<hr>Lat: ' + point.y + '<br>Lon: ' + point.x + '</div>');
     gmarkers[i] = marker;
     return marker;
//]]>
</script>
page body code
onload="initMap()" onunload="GUnload()"