function EInsert(point, image, size, basezoom, zindex) {
 this.point = point;
 this.image = image;
 this.size = size;
 this.basezoom = basezoom;
 this.zindex=zindex||0;
 var agent = navigator.userAgent.toLowerCase();
 
 if ((agent.indexOf("msie") > -1) && (agent.indexOf("opera") < 1)){this.ie = true} else {this.ie = false}
 this.hidden = false;
 } 
 
 EInsert.prototype = new GOverlay();
 EInsert.prototype.initialize = function(map) {
 var div = document.createElement("div");
 div.style.position = "absolute";
 div.style.zIndex=this.zindex;
 if (this.zindex < 0) {
 map.getPane(G_MAP_MAP_PANE).appendChild(div);
 } else {
 map.getPane(1).appendChild(div);
 }
 this.map_ = map;
 this.div_ = div;
 }
 
 EInsert.prototype.makeDraggable = function() {
 this.dragZoom_ = this.map_.getZoom();
 this.dragObject = new GDraggableObject(this.div_);
 
 this.dragObject.parent = this;
 
 GEvent.addListener(this.dragObject, "dragstart", function() {
 this.parent.left=this.left;
 this.parent.top=this.top;
 });
 
 GEvent.addListener(this.dragObject, "dragend", function() {
 var pixels = this.parent.map_.fromLatLngToDivPixel(this.parent.point);
 var newpixels = new GPoint(pixels.x + this.left - this.parent.left, pixels.y +this.top -this.parent.top);
 this.parent.point = this.parent.map_.fromDivPixelToLatLng(newpixels);
 this.parent.redraw(true);
 GEvent.trigger(this.parent, "dragend", this.parent.point);
 }); 
 }
 EInsert.prototype.remove = function() {
 this.div_.parentNode.removeChild(this.div_);
 }
 EInsert.prototype.copy = function() {
 return new EInsert(this.point, this.image, this.size, this.basezoom);
 }
 EInsert.prototype.redraw = function(force) {
 if (force) {
 var p = this.map_.fromLatLngToDivPixel(this.point);
 var z = this.map_.getZoom();
 var scale = Math.pow(2,(z - this.basezoom));
 var h=this.size.height * scale;
 var w=this.size.width * scale;
 this.div_.style.left = (p.x - w/2) + "px";
 this.div_.style.top = (p.y - h/2) + "px";
 if (this.ie) {
 var loader = "filter:progid:DXImageTransform.Microsoft.AlphaImageLoader(src='"+this.image+"', sizingMethod='scale');";
 this.div_.innerHTML = '<div style="height:' +h+ 'px; width:'+w+'px; ' +loader+ '" ></div>';
 } else {
 this.div_.innerHTML = '<img src="' +this.image+ '" width='+w+' height='+h+' >';
 }
 
 if (this.dragObject) {
 if (z != this.dragZoom_) {this.dragObject.disable();}
 }
 
 } 
 }
 EInsert.prototype.show = function() {
 this.div_.style.display="";
 this.hidden = false;
 }
 
 EInsert.prototype.hide = function() {
 this.div_.style.display="none";
 this.hidden = true;
 }
 
 EInsert.prototype.getPoint = function() {
 return this.point;
 }
 EInsert.prototype.supportsHide = function() {
 return true;
 }
 EInsert.prototype.isHidden = function() {
 return this.hidden;
 }
 
 EInsert.prototype.setPoint = function(a) {
 this.point = a;
 this.redraw(true);
 }
 EInsert.prototype.setImage = function(a) {
 this.image = a;
 this.redraw(true);
 }
 
 EInsert.prototype.setZindex = function(a) {
 this.div_.style.zIndex=a;
 }
 EInsert.prototype.setSize = function(a) {
 this.size = a;
 this.redraw(true);
 }
 EInsert.groundOverlay = function(image, bounds, zIndex, proj,z) {
 proj = proj||G_NORMAL_MAP.getProjection(); 
 z = z||17;
 var sw = proj.fromLatLngToPixel(bounds.getSouthWest(),z);
 var ne = proj.fromLatLngToPixel(bounds.getNorthEast(),z);
 var cPixel = new GPoint((sw.x+ne.x)/2, (sw.y+ne.y)/2);
 var c = proj.fromPixelToLatLng(cPixel,z);
 var s = new GSize(ne.x-sw.x, sw.y-ne.y);
 return new EInsert(c, image, s, z, zIndex);
 }