弹出消息框 javascript 三则

< script language = " javascript "  type = " text/javascript " >  
  
var  oPopup  =  window.createPopup();    
  
var  popTop = 50 ;   
  
function  popmsg(msgstr) {   
  
var winstr="<table   style=\"border:1 solid #FFA6CA\" width=\"241\" height=\"172\" border=\"0\" cellpadding=\"0\" cellspacing=\"0\" background=\"背景图片地址\">";   
  winstr
+="<tr><td height=\"30\"></td></tr><tr><td align=\"center\"><table width=\"90%\" height=\"110\" border=\"0\" cellpadding=\"0\" cellspacing=\"0\">";   
  winstr
+="<tr><td valign=\"top\" style=\"font-size:medium;color:red;face:Tahoma\">"+msgstr+"</td></tr></table></td></tr></table>";   
  oPopup.document.body.innerHTML 
= winstr;   
  popshow();   
  }
   
    
  
function  popshow() {
  window.status
=popTop;
  
if(popTop>1720){
  clearTimeout(mytime);
  oPopup.hide();
  
return;
  }

  
else if(popTop>1520&&popTop<1720){oPopup.show(screen.width-250,screen.height,241,1720-popTop);}
  
else if(popTop>1500&&popTop<1520){oPopup.show(screen.width-250,screen.height+(popTop-1720),241,172);}
  
else if(popTop<180){oPopup.show(screen.width-250,screen.height,241,popTop);}
  
else if(popTop<220){oPopup.show(screen.width-250,screen.height-popTop,241,172);}
  popTop
+=10;var mytime=setTimeout("popshow();",20);
  }
    
  popmsg(
' <%= _message%> ' );   
  
< / script>

< script language = " JavaScript "  type = " text/javascript " >   
<!--   
  
/**/ /*  
**    ==================================================================================================  
**    类名:CLASS_MSN_MESSAGE  
**    功能:提供类似MSN消息框  
**    示例:  
    ---------------------------------------------------------------------------------------------------  
  
            var MSG = new CLASS_MSN_MESSAGE("aa",200,120,"短消息提示:","您有1封消息","今天请我吃饭哈");  
                MSG.show();  
  
    ---------------------------------------------------------------------------------------------------  
**    作者:sw  
**    邮件:[email protected]  
**    日期:2007-1-7 
**    ==================================================================================================  
*
*/
  
  
  
/**/ /*  
 *    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)      
    }
  
}
  
  
/**/ /*  
 *    消息卸载事件,可以重写  
 
*/
  
CLASS_MSN_MESSAGE.prototype.onunload 
=   function ()  {  
    
return true;  
}
  
/**/ /*  
 *    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();  
}
  
  
/**/ /*  
 *    消息显示方法  
 
*/
  
CLASS_MSN_MESSAGE.prototype.show 
=   function () {  

    
var oPopup = window.createPopup(); //IE5.5+  
    this.Pop = oPopup;  
    
var w = this.width;  
    
var h = this.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%'>" + this.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%'>" + this.title + "<BR><BR>"  
        str 
+= "<DIV style='WORD-BREAK: break-all' align=left><A href='javascript:void(0)' hidefocus=true id='btCommand'><FONT color=#ff0000>" + this.message + "</FONT></A></DIV>"  
        str 
+= "</DIV>"  
        str 
+= "</TD>"  
        str 
+= "</TR>"  
        str 
+= "</TABLE>"  
        str 
+= "</DIV>"  
    oPopup.document.body.innerHTML 
= str; 
    
this.offset  = 0
    
var me  = this;  
    oPopup.document.body.onmouseover 
= function(){me.pause=true;}
    oPopup.document.body.onmouseout 
= function(){me.pause=false;}
    
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.timeout==0)
                window.clearInterval(me.timer);  
                
if(me.autoHide){
                    me.hide(); 
                }

            }
 
        }
 else 
            me.offset 
= me.offset + me.step; 
        }
 
        me.Pop.show(x,y,width,height);    
    }
  
    
this.timer = window.setInterval(fun,this.speed)      
    
var btClose = oPopup.document.getElementById("btSysClose");  
    btClose.onclick 
= function(){  
        me.close 
= true;
        me.hide();  
    }
  
    
var btCommand = oPopup.document.getElementById("btCommand");  
    btCommand.onclick 
= function(){  
        me.oncommand();  
    }
    
}
  
/**/ /* 
** 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){} 
}
 
// var MSG1 = new CLASS_MSN_MESSAGE("aa",200,120,"短消息提示:","您有1封消息","今天请我吃饭哈");  
//
    MSG1.rect(null,null,null,screen.height-50); 
//
    MSG1.speed    = 10; 
//
    MSG1.step    = 5; 
//
    //alert(MSG1.top); 
//
    MSG1.show();  
 
// 同时两个有闪烁,只能用层代替了,不过层不跨框架 
var  MSG2  =   new  CLASS_MSN_MESSAGE( " aa " , 200 , 120 , " 短消息提示: " , " 您有2封消息 " , " 好的啊 " );  
   MSG2.rect(
100 , null , null ,screen.height); 
    MSG2.show();  
-->   
< / script>

第三是popupwin自己下载看看

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