/*    消息构造    */    function CLASS_MSN_MESSAGE(id,width,height,caption,title,message,target,action){        this.id     = id;        this.title  = title;        this.caption= caption;        this.message= message;        this.target = target;        this.action = action;        this.width    = width?width:200;        this.height = height?height:120;        this.timeout= 150;        this.speed    = 20;       this.step    = 1;       this.right    = screen.width -1;        this.bottom = screen.height;       this.left    = this.right - this.width;       this.top    = this.bottom - this.height;       this.timer    = 0;       this.pause    = false;      this.close    = false;      this.autoHide    = true;  }        /**//*    *    隐藏消息方法    */    CLASS_MSN_MESSAGE.prototype.hide = function(){        if(this.onunload()){              var offset  = this.height>this.bottom-this.top?this.height:this.bottom-this.top;          var me  = this;              if(this.timer>0){                 window.clearInterval(me.timer);            }              var fun = function(){                if(me.pause==false||me.close){                  var x  = me.left;                   var y  = 0;                   var width = me.width;                   var height = 0;                   if(me.offset>0){                       height = me.offset;                   }                          y  = me.bottom - height;                          if(y>=me.bottom){                       window.clearInterval(me.timer);                        me.Pop.hide();                    } else {                       me.offset = me.offset - me.step;                    }                   me.Pop.show(x,y,width,height);                  }                       }              this.timer = window.setInterval(fun,this.speed)            }    }