// A "Screen Overlay" (in Google Earth) featuring CSIRO logo for Google Maps

function ControlOverlay() {
}
ControlOverlay.prototype = new GControl();

// Creates a one DIV for each of the buttons and places them in a container
// DIV which is returned as our control element. We add the control to
// to the map container and return the element for the map class to
// position properly.
ControlOverlay.prototype.initialize = function(map) {
 // var container = document.createElement("div");
  var zoomOutDiv = document.createElement("div");
  this.setButtonStyle_(zoomOutDiv);
 // container.appendChild(zoomOutDiv);
//  var logoimage=document.createElement('img');
 // logoimage.src='http://www.sensornets.csiro.au/gmap/icon/reset.png';
zoomOutDiv.innerHTML="<a href=\"javascript:map1.returnToSavedPosition()\" title='Reset Position'><img src='http://www.sensornets.csiro.au/gmap/icon/reset.png' border=0></a>";
 // zoomOutDiv.appendChild(logoimage);
  map.getContainer().appendChild(zoomOutDiv);

  return zoomOutDiv;
}

// By default, the control will appear in the top left corner of the
// map with 7 pixels of padding.
ControlOverlay.prototype.getDefaultPosition = function() {
  return new GControlPosition(G_ANCHOR_TOP_LEFT, new GSize(2, 2));
}

// Sets the proper CSS for the given button element.
ControlOverlay.prototype.setButtonStyle_ = function(button) {
  //button.style.textDecoration = "underline";
  button.style.opacity = "1";
  //button.style.backgroundColor = "white";
  //button.style.font = "small Arial";
  //button.style.border = "0px solid black";
  button.style.padding = "2px";
  button.style.marginLeft = "3px";
	  button.style.marginTop = "45px";
  button.style.textAlign = "left";
	button.style.zIndex     = 11;
  //button.style.width = "6em";
  //button.style.cursor = "pointer";
}