// A Rectangle is a simple overlay that outlines a lat/lng bounds on the
// map. It has a border of the given weight and color and can optionally
// have a semi-transparent background color.
function Rectangle(bounds, opt_weight, opt_color,opt_background,opt_opacity) {
  this.bounds_ = bounds;
  this.weight_ = opt_weight || 2;
  this.color_ = opt_color || "#888888";
  this.backgroundColor_ = opt_background || "#888888";
  this.opacity_ =opt_opacity || 0.50;
}
Rectangle.prototype = new GOverlay();

// Creates the DIV representing this rectangle.
Rectangle.prototype.initialize = function(map) {
  // Create the DIV representing our rectangle
  var div = document.createElement("div");
 // div.style.border = this.weight_ + "px solid " + this.color_;
 // div.style.background=this.backgroundColor_;
 // div.style.opacity=this.opacity_;
 // div.style.filter = "alpha(opacity="+(this.opacity_*100)+")";
//  alert(div.style.filter);
  div.style.position = "absolute";
  var img = document.createElement("img");
  img.setAttribute("src","images/epierrimages/epierr.png");
  img.src="images/epierr.png";
  div.appendChild(img);

//  div.setAttribute("class", "seisarea");

  // Our rectangle is flat against the map, so we add our selves to the
  // MAP_PANE pane, which is at the same z-index as the map itself (i.e.,
  // below the marker shadows)
  map.getPane(G_MAP_MAP_PANE).appendChild(div);

  this.map_ = map;
  this.div_ = div;
  this.img_ = img;
}

// Remove the main DIV from the map pane
Rectangle.prototype.remove = function() {
  this.div_.parentNode.removeChild(this.div_);
}

// Copy our data to a new Rectangle
Rectangle.prototype.copy = function() {
  return new Rectangle(this.bounds_, this.weight_, this.color_,
                       this.backgroundColor_, this.opacity_);
}

// Redraw the rectangle based on the current projection and zoom level
Rectangle.prototype.redraw = function(force) {
  // We only need to redraw if the coordinate system has changed
  if (!force) return;

  // Calculate the DIV coordinates of two opposite corners of our bounds to
  // get the size and position of our rectangle
  var c1 = this.map_.fromLatLngToDivPixel(this.bounds_.getSouthWest());
  var c2 = this.map_.fromLatLngToDivPixel(this.bounds_.getNorthEast());

  // Now position our DIV based on the DIV coordinates of our bounds
  this.div_.style.width = Math.abs(c2.x - c1.x) + "px";
  this.div_.style.height = Math.abs(c2.y - c1.y) + "px";
  this.div_.style.left = (Math.min(c2.x, c1.x) - this.weight_) + "px";
  this.div_.style.top = (Math.min(c2.y, c1.y) - this.weight_) + "px";
  
  this.img_.style.width = Math.abs(c2.x - c1.x) + "px";
  this.img_.style.height = Math.abs(c2.y - c1.y) + "px";
  this.img_.style.left = (Math.min(c2.x, c1.x) - this.weight_) + "px";
  this.img_.style.top = (Math.min(c2.y, c1.y) - this.weight_) + "px";
}