MSN消息提示类

纯js编写 
跨框架 
无图片 
支持调速度 
任意位置弹出 
需要ie5.5以上

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 = "
"
str += "

"
str += ""
str += ""
str += ""
str += ""
str += ""
str += ""
str += ""
str += ""
str += "

	" + this.caption + "	" str += "×
" str += " " + this.title + " " str += " " + this.message + " " str += " " str += "

"
str += "
"

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(yscreen.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();
//-->

[Ctrl+A 全选 注:如需引入外部Js需刷新才能执行]