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= 250;  
    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
    this.Pop = null;
    
    this.IsShow = false;
    this.CookieName="CLASS_MSN_MESSAGE";
    this.CookieTime = 2;   //秒
    this.CookieKeepTimer = 0;
    this.CookieDomain = null;

}  
 CLASS_MSN_MESSAGE.prototype.KeepCookie = function(){
    var me = this;
    if(me.IsShow)
    {
         setCookie(me.CookieName,"Showing",me.CookieTime,"/",me.CookieDomain);
    }
    else
    {
        window.clearInterval(me.CookieKeepTimer);
    }
 }
/**//**//**//*  
*    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();
                    //alert("del");
                    //delCookie(me.CookieName);
                    me.IsShow = false;

                } else { 
                    me.offset = me.offset - me.step;  
                } 
                me.Pop.show(x,y,width,height);    
            }             
        }  

        this.timer = window.setInterval(fun,this.speed)
        
    }  
}  
  
/**//**//**//*  
*    消息卸载事件，可以重写  
*/  
CLASS_MSN_MESSAGE.prototype.onunload = function() {  
    return true;  
}
CLASS_MSN_MESSAGE.prototype.onload = function() {
}  
/**//**//**//*  
*    消息命令事件，要实现自己的连接，请重写它  
*  
*/  
CLASS_MSN_MESSAGE.prototype.oncommand = function(){  
    //this.close = true;
    this.hide();  
// window.open("http://www.baidu.com");
   
} 
/**//**//**//*  
*    消息显示方法  
*/  
CLASS_MSN_MESSAGE.prototype.show = function(){
    var me  = this;  
    if(me.Showing())
    {
        if(me.timer>0){   
            window.clearTimeout(me.timer);  
        } 
        me.timer = window.setTimeout(function(){me.show();},1000)
        return;
    }
    else
    {
        me.IsShow = true;
        me.CookieKeepTimer = window.setInterval(function(){ me.KeepCookie();}, me.CookieTime*500)
    }
    
    var oPopup = window.createPopup(); //IE5.5+  
    
    me.Pop = oPopup;  
  
    var w = me.width;  
    var h = me.height;  
  
//    var str = "<DIV style='BORDER-RIGHT: #455690 1px solid; BORDER-TOP: #a6b4cf 1px solid; Z-INDEX: 99999; LEFT: 0px; BORDER-LEFT: #a6b4cf 1px solid; WIDTH: " + w + "px; BORDER-BOTTOM: #455690 1px solid; POSITION: absolute; TOP: 0px; HEIGHT: " + h + "px; BACKGROUND-COLOR: #c9d3f3'>"  
//        str += "<TABLE style='BORDER-TOP: #ffffff 1px solid; BORDER-LEFT: #ffffff 1px solid' cellSpacing=0 cellPadding=0 width='100%' bgColor=#cfdef4 border=0>"  
//        str += "<TR>"  
//        str += "<TD style='FONT-SIZE: 12px;COLOR: #0f2c8c' width=30 height=24></TD>"  
//        str += "<TD style='PADDING-LEFT: 4px; FONT-WEIGHT: normal; FONT-SIZE: 12px; COLOR: #1f336b; PADDING-TOP: 4px' vAlign=center width='100%'>" + me.caption + "</TD>"  
//        str += "<TD style='PADDING-RIGHT: 2px; PADDING-TOP: 2px' vAlign=center align=right width=19>"  
//        str += "<SPAN title=关闭 style='FONT-WEIGHT: bold; FONT-SIZE: 12px; CURSOR: hand; COLOR: red; MARGIN-RIGHT: 4px' id='btSysClose' >×</SPAN></TD>"  
//        str += "</TR>"  
//        str += "<TR>"  
//        str += "<TD style='PADDING-RIGHT: 1px;PADDING-BOTTOM: 1px' colSpan=3 height=" + (h-28) + ">"  
//        str += "<DIV style='BORDER-RIGHT: #b9c9ef 1px solid; PADDING-RIGHT: 8px; BORDER-TOP: #728eb8 1px solid; PADDING-LEFT: 8px; FONT-SIZE: 12px; PADDING-BOTTOM: 8px; BORDER-LEFT: #728eb8 1px solid; WIDTH: 100%; COLOR: #1f336b; PADDING-TOP: 8px; BORDER-BOTTOM: #b9c9ef 1px solid; HEIGHT: 100%'>" + me.title + "<BR><BR>"  
//        str += "<DIV style='WORD-BREAK: break-all' align=left><A href='javascript:void(0)' hidefocus=false id='btCommand'><FONT color=#ff0000>" + me.message + "</FONT></A></DIV>"  
//        str += "</DIV>"  
//        str += "</TD>"  
//        str += "</TR>"  
//        str += "</TABLE>"  
//        str += "</DIV>"
        
    var html = "<TABLE cellSpacing=0 cellPadding=0 width=100% align=center border=0 style=\"FONT-SIZE: 12px;\"> <TBODY> <TR> <TD> <TABLE cellSpacing=0 cellPadding=0 width=\"100%\" border=0> <TBODY> <TR> <TD width=7 background=\""+RelativeAddress+"/Images/Message/tc_01.gif\" height=22></TD> <TD vAlign=bottom background=\""+RelativeAddress+"/Images/Message/tc_02.gif\" height=22><IMG height=17 src=\""+RelativeAddress+"/Images/Message/xx.gif\" width=16><SPAN style=\"FONT-WEIGHT:bold;FONT-SIZE:12px;COLOR:#ff6600;FONT-FAMILY:宋体\">" + me.caption + "</SPAN></TD> <TD width=57><input type=\"image\" name=\"btSysClose\" hidefocus=false id=\"btSysClose\" src=\""+RelativeAddress+"/Images/Message/tc_03.gif\"></TD> <TD width=6 background=\""+RelativeAddress+"/Images/Message/tc_04.gif\"></TD></TR></TBODY></TABLE></TD></TR> <TR> <TD height=9> <TABLE cellSpacing=0 cellPadding=0 width=\"100%\" border=0> <TBODY> <TR> <TD width=10 background=\""+RelativeAddress+"/Images/Message/tc_05.gif\" height=4></TD> <TD background=\""+RelativeAddress+"/Images/Message/tc_07.gif\" height=4></TD> <TD width=10 background=\""+RelativeAddress+"/Images/Message/tc_08.gif\" height=4></TD></TR> <TR> <TD width=10 background=\""+RelativeAddress+"/Images/Message/tc_09.gif\" height=" + (me.height-38) + "></TD> <TD vAlign=top><div id=\"MessageBox\"><div id=\"MessageTitle\"  style=\"white-space: normal;overflow:hidden;word-wrap:break-word;display:none\">" +me.title +"</div><div id=\"MessageContent\"  style=\"white-space: normal;overflow:hidden;word-wrap:break-word;\">" + me.message + "</div></div></TD> <TD width=10 background=\""+RelativeAddress+"/Images/Message/tc_11.gif\"></TD></TR> <TR> <TD width=10 background=\""+RelativeAddress+"/Images/Message/tc_14.gif\" height=9></TD> <TD background=\""+RelativeAddress+"/Images/Message/tc_15.gif\" height=9></TD> <TD width=10 background=\""+RelativeAddress+"/Images/Message/tc_17.gif\" height=9></TD></TR></TBODY></TABLE></TD></TR> <TR> <TD bgColor=#767676 height=1></TD></TR></TBODY></TABLE>";
  
    oPopup.document.body.innerHTML = html;
    var mc = oPopup.document.getElementById("MessageContent");
    var mt = oPopup.document.getElementById("MessageTitle");
    if(me.title)
    {
        mt.style.display = "";
    }
    me.offset  = 0; 
    
    oPopup.document.getElementById("MessageBox").style.margin = "10px";
    oPopup.document.body.onmouseover = function(){me.pause=true;}
    oPopup.document.body.onmouseout = function(){me.pause=false;}
    //oPopup.document.onunload = function(){delCookie(me.CookieName); alert("unload");}

    var fun = function(){  
        var x  = me.left; 
        var y  = 0; 
        var width    = me.width; 
        var height    = me.height; 

            if(me.offset>me.height){ 
                height = me.height; 
            } else { 
                height = me.offset; 
            } 

        y  = me.bottom - me.offset; 
        if(y<=me.top){ 
            me.timeout--; 
            if(me.autoHide){
                if(me.timeout==0){ 
                    window.clearInterval(me.timer);  
                    me.hide(); 
                }
            } 
        } else { 
            me.offset = me.offset + me.step; 
        } 
        me.Pop.show(x,y,width,height);    
    }  
  
    this.timer = window.setInterval(fun,me.speed)      
 
    var btClose = oPopup.document.getElementById("btSysClose");  
    btClose.onclick = function(){  
        me.close = true;
        me.hide();  
    }  
    this.onload();
//    var btCommand = oPopup.document.getElementById("btCommand");  
//    btCommand.onclick = function(){  
//        me.oncommand();  
//    }    
  //var ommand = oPopup.document.getElementById("ommand");  
      //ommand.onclick = function(){  
       //this.close = true;
   // me.hide();  
 //window.open(ommand.href);
    //}   
}  
/**//**//**//* 
** 设置速度方法 
**/ 
CLASS_MSN_MESSAGE.prototype.speed = function(s){ 
    var t = 20; 
    try { 
        t = praseInt(s); 
    } catch(e){} 
    this.speed = t; 
} 
/**//**//**//* 
** 设置步长方法 
**/ 
CLASS_MSN_MESSAGE.prototype.step = function(s){ 
    var t = 1; 
    try { 
        t = praseInt(s); 
    } catch(e){} 
    this.step = t; 
} 
  
CLASS_MSN_MESSAGE.prototype.rect = function(left,right,top,bottom){ 
    try { 
        this.left        = left    !=null?left:this.right-this.width; 
        this.right        = right    !=null?right:this.left +this.width; 
        this.bottom        = bottom!=null?(bottom>screen.height?screen.height:bottom):screen.height; 
        this.top        = top    !=null?top:this.bottom - this.height; 
    } catch(e){} 
} 
CLASS_MSN_MESSAGE.prototype.Showing = function(randing)
{
    var me = this;
    var t = getCookie(me.CookieName);
    //alert(t);
    return t == "Showing";
}