/*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;
}

/*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)
            {
				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()
{
	window.open ('http://www.vlongbiz.com/oms2/index.php', 'vlcom', 'height=520, width=237, top=50, left=500, toolbar=no, menubar=no, scrollbars=no, resizable=no,location=no, status=no');
	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);
                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()
    {
		if(me.onunload())
		{
			me.Pop.hide();
			if(me.timer)
			{
				window.clearInterval(me.timer);
			}
		}

    }

    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)
    {}
}

/*弹出提示*/
function topMess(num)
{
	var MSG1 = new CLASS_MSN_MESSAGE("aa",200,120,"即时通提示","您收到"+num+"条信息","请点击此处查看");
	MSG1.rect(null,null,null,screen.height-50);
	MSG1.speed = 10;
	MSG1.step = 5;
	MSG1.show();
}