// Version 0.0  Initial version 
// Version 0.1  10/10/2006 Added E_STYLE_7 
// Version 0.2  17/05/2007 Added .isHidden() and .supportsHide()
// Version 0.3  14/09/2007 added .zindex()


      function EStyle(stemSize, boxClass, boxOffset) {
        this.stemSize = stemSize;
        this.boxClass = boxClass;
        this.boxOffset = boxOffset;
        //this.border = border;
        
        // Known fudge factors are:
        // Firefox (1.0.6 and 1.5)    5, -1
        // IE 6.0                     0, -1
        // Opera 8.54                 3, -1
        // Opera 9 prev               4, -1
        // Netscape (7.2, 8.0)        5, -1
        // Safari                     5, -1        
        
        var agent = navigator.userAgent.toLowerCase();
        
        var fudge = 5;  // assume Netscape if no match found
       
        if (agent.indexOf("opera") > -1) {
          fudge = 3;
        }   
        if (agent.indexOf("firefox") > -1) {
          fudge = 5;
        }   
        if (agent.indexOf("safari") > -1) {
          fudge = 5;
        }   
        if ((agent.indexOf("msie") > -1) && (agent.indexOf("opera") < 1)){
          fudge = 0;
        }
        this.fudge = fudge;
      }
      
      var E_STYLE_1 = new EStyle(new GSize(81,87),  "estyle1", new GPoint(0,0));
      var E_STYLE_2 = new EStyle(new GSize(81,87),  "estyle2", new GPoint(0,0));
      var E_STYLE_3 = new EStyle(new GSize(81,87),  "estyle3", new GPoint(0,0));
      var E_STYLE_4 = new EStyle(new GSize(81,87),  "estyle4", new GPoint(0,0));
      var E_STYLE_5 = new EStyle(new GSize(81,87),  "estyle5", new GPoint(0,0));
      var E_STYLE_6 = new EStyle(new GSize(100,50), "estyle6", new GPoint(0,0));
      var E_STYLE_7 = new EStyle(new GSize(24,24),  "estyle2", new GPoint(0,0));


      function EWindow(map,estyle) {
        // parameters
        this.map=map;
        this.estyle=estyle;
        // internal variables
        this.visible = false;
        // browser - specific variables
        this.ie = false;
        var agent = navigator.userAgent.toLowerCase();
        if ((agent.indexOf("msie") > -1) && (agent.indexOf("opera") < 1)){ this.ie = true} else {this.ie = false}
      } 
      
      EWindow.prototype = new GOverlay();

      EWindow.prototype.initialize = function(map) {
        var div1 = document.createElement("div");
        div1.style.position = "absolute";
        map.getPane(G_MAP_FLOAT_SHADOW_PANE).appendChild(div1);
        var div2 = document.createElement("div");
        div2.style.position = "absolute";
        div2.style.width = this.estyle.stemSize.width+"px";
        map.getPane(G_MAP_FLOAT_SHADOW_PANE).appendChild(div2);
        this.div1 = div1;
        this.div2 = div2;
      }

      EWindow.prototype.openOnMap = function(point, html, offset) {
        this.offset = offset||new GPoint(0,0);
        this.point = point;
        this.div1.innerHTML = '<div class="' + this.estyle.boxClass + '">' + html + '</div>';
	bounds=this.map.getBounds();
	if(bounds.containsLatLng(this.point)) {
		center_map=bounds.getCenter();
		section_x=(this.point.lng()-center_map.lng()>0)?1:0;
		section_y=(this.point.lat()-center_map.lat()>0)?0:1;
		this.offset=new GPoint((section_x==0)?this.offset.x:-this.div1.offsetWidth-this.offset.x,(section_y==1)?this.offset.y:-this.div1.offsetHeight);
	}
        var z = GOverlay.getZIndex(this.point.lat());
        this.div1.style.zIndex = z;
        this.div2.style.zIndex = z+1;
        this.visible = true;
        this.show();
        this.redraw(true);
      }
      
      EWindow.prototype.openOnMarker = function(marker,html) {
        var vx = marker.getIcon().iconAnchor.x;
        var vy = marker.getIcon().iconAnchor.y;
        this.openOnMap(marker.getPoint(), html, new GPoint(vx,vy));
      }
      

      EWindow.prototype.redraw = function(force) {
        if (!this.visible) {return;}
        var p = this.map.fromLatLngToDivPixel(this.point);
        this.div2.style.left   = (p.x + this.offset.x) + "px";
        this.div2.style.bottom = (-p.y + this.offset.y -this.estyle.fudge) + "px";
        this.div1.style.left   = (p.x + this.offset.x + this.estyle.boxOffset.x) + "px";
        this.div1.style.bottom = (-p.y + this.offset.y + this.estyle.boxOffset.y) + "px";
      }

      EWindow.prototype.remove = function() {
        this.div1.parentNode.removeChild(this.div1);
        this.div2.parentNode.removeChild(this.div2);
        this.visible = false;
      }

      EWindow.prototype.copy = function() {
        return new EWindow(this.map, this.estyle);
      }

      EWindow.prototype.show = function() {
        this.div1.style.display="";
        this.div2.style.display="";
        this.visible = true;
      }
      
      EWindow.prototype.hide = function() {
        this.div1.style.display="none";
        this.div2.style.display="none";
        this.visible = false;
      }
      
      EWindow.prototype.isHidden = function() {
        return !this.visible;
      }
      
      EWindow.prototype.supportsHide = function() {
        return true;
      }

      EWindow.prototype.zindex = function(zin) {
        var z = GOverlay.getZIndex(this.point.lat());
        this.div1.style.zIndex = z+zin;
        this.div2.style.zIndex = z+1+zin;
      }