function CLASS_MSN_MESSAGE(id, width, height)
{
	this.id	 = id;
	this.width	= width?width:200;
	this.height	= height?height:120;
	this.timeout= 3000;
	this.speed	= 20; 
	this.step	= 1; 
 
	this.left	= 0; 
	this.right	= screen.availWidth -1;
	this.top	= 0; 
	this.bottom = screen.availHeight; 
}

/*
 *	隐藏消息方法
 */
CLASS_MSN_MESSAGE.prototype.hide = function()
{
	if(this.onunload())	
	{
		this.Pop.hide();
		if(this.timer)
		{
			window.clearInterval(this.timer);
		}
	}
}

/*
 *	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()
{
	window.focus();
	parent.SetResizePic(1);
	this.hide();
}

/*
 *	消息显示方法
 */
CLASS_MSN_MESSAGE.prototype.show = function(strCpation, strTitle, strMessage)
{
	var oPopup = window.createPopup(); //IE5.5+

	if(typeof(oPopup) == "undefined")
	{
		return;
	}
	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%'>" + strCpation + "</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%'>" + strTitle + "<BR><BR>"
		str += "<DIV style='WORD-BREAK: break-all' align=left><A hidefocus=true style='cursor:pointer;' id='btCommand'><FONT color=#ff0000>" + strMessage + "</FONT></A></DIV>"
		str += "</DIV>"
		str += "</TD>"
		str += "</TR>"
		str += "</TABLE>"
		str += "</DIV>";

	oPopup.document.body.innerHTML = str;

	var docWidth	= this.right;
	var docHeight = this.bottom-h;
	var offset	= screen.height - screen.availHeight;
 
	var me			= this;
	var timer;
 
	var fun = function()
	{
		oPopup.show(docWidth-w, docHeight + offset, w, h);	
		if(offset <= 0)
		{
			window.clearInterval(timer);
		}
		offset = offset - me.step;

	}

	timer = window.setInterval(fun,this.speed)	

	var btClose = oPopup.document.getElementById("btSysClose");

	btClose.onclick = function()
	{
		me.hide();
	}

	var btCommand = oPopup.document.getElementById("btCommand");
	btCommand.onclick = function()
	{
		me.oncommand();
	}

	this.timer = timer;

}
 
/* 
**	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?left:0; 
		this.right	= right?right:screen.availWidth -1; 
		this.top	= top?top:0; 
		this.bottom = bottom?bottom:screen.availHeight; 
	} 
	catch(e) 
	{} 
}