function DHTML_Window(b,c,a){this._window_object=Ext.create("Ext.window.Window",{cls:"white",resizable:true,maximizable:true,renderTo:document.body,constrain:true,margins:"5 5 5 5",height:a+40,width:c,title:"Ti-Sentieri - Window",html:'<iframe src="'+b+'" style="width:100%;height:100%;"></iframe>'});this._window_object.on("close",restore_layers);this._window_object.show();return this}DHTML_Window.prototype.close=function(){this._window_object.close()};