function addContextMenu()
{

      // === create the context menu div ===
      contextmenu = document.createElement("div");
      contextmenu.style.visibility="hidden";
      contextmenu.style.background="#ffffff";
      contextmenu.style.border="1px solid #8888FF";

      contextmenu.innerHTML =// '<a style="text-decoration:none" href="javascript:zoomIn()"><div class="context">&nbsp;&nbsp;Zoom in&nbsp;&nbsp;<\/div><\/a>'
                            //+ '<a style="text-decoration:none" href="javascript:zoomOut()"><div class="context">&nbsp;&nbsp;Zoom out&nbsp;&nbsp;<\/div><\/a>'
                             '<a style="text-decoration:none" href="javascript:zoomInHere()"><div class="context">&nbsp;&nbsp;Zoom in εδώ&nbsp;&nbsp;<\/div><\/a>'
                            + '<a style="text-decoration:none" href="javascript:zoomOutHere()"><div class="context">&nbsp;&nbsp;Zoom out εδώ&nbsp;&nbsp;<\/div><\/a>'
                            + '<a style="text-decoration:none" href="javascript:centreMapHere()"><div class="context">&nbsp;&nbsp;Κεντράρισμα εδώ&nbsp;&nbsp;<\/div><\/a>';

      map.getContainer().appendChild(contextmenu);

      // === listen for singlerightclick ===
      GEvent.addListener(map,"singlerightclick",function(pixel,tile)
      {
        // store the "pixel" info in case we need it later
        // adjust the context menu location if near an egde
        // create a GControlPosition
        // apply it to the context menu, and make the context menu visible
        clickedPixel = pixel;
        var x=pixel.x;
        var y=pixel.y;
        if (x > map.getSize().width - 120) { x = map.getSize().width - 120 }
        if (y > map.getSize().height - 100) { y = map.getSize().height - 100 }
        var pos = new GControlPosition(G_ANCHOR_TOP_LEFT, new GSize(x,y));
        pos.apply(contextmenu);
        contextmenu.style.visibility = "visible";
      });
      // === If the user clicks on the map, close the context menu ===
      GEvent.addListener(map, "click", function() {
        contextmenu.style.visibility="hidden";
      });

}
      // === functions that perform the context menu options ===
      function zoomIn() {
        // perform the requested operation
//        map.zoomIn();
        var point = map.fromContainerPixelToLatLng(clickedPixel)
        map.zoomIn(point,true);
			map.setZoom(15);
        // hide the context menu now that it has been used
        contextmenu.style.visibility="hidden";
      }
      function zoomOut() {
        // perform the requested operation
//        map.zoomOut();
			map.setZoom(9);

        // hide the context menu now that it has been used
        contextmenu.style.visibility="hidden";
      }
      function zoomInHere()
      {
        // perform the requested operation
        var point = map.fromContainerPixelToLatLng(clickedPixel);
        map.setCenter(point,map.getZoom()-1); // There is no map.zoomOut() equivalent
        map.zoomIn(point,true);
			map.setZoom(15);
        // hide the context menu now that it has been used
        contextmenu.style.visibility="hidden";
      }
      function zoomOutHere()
      {
        // perform the requested operation
        var point = map.fromContainerPixelToLatLng(clickedPixel)
        map.setCenter(point,map.getZoom()-1); // There is no map.zoomOut() equivalent
			map.setZoom(9);
        contextmenu.style.visibility="hidden";
      }
      function centreMapHere()
      {
        // perform the requested operation
        var point = map.fromContainerPixelToLatLng(clickedPixel)
        map.setCenter(point);
        // hide the context menu now that it has been used
        contextmenu.style.visibility="hidden";
//        coordinatesMapHere();
      }

	function coordinatesMapHere()
	{
//		alert('1');
	       var point = map.fromContainerPixelToLatLng(clickedPixel);
	       alert(point.lat() + ',' + point.lng());
		$("mapcoordinates").innerHTML='Συντεταγμένες: '+point.lat() + '<BR>' + point.lng();
        contextmenu.style.visibility="hidden";
	}