/**//*
 *    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=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||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(){
//  if(this.action!="") 
//     window.parent.location.href=this.action; 
//CLASS_MSN_MESSAGE.prototype.oncommand = function(){  
//   window.parent.location.href=this.action; 
//}  
/**//*  
 *    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:#e6e6fa'>"
	str+="<TABLE style='BORDER-TOP: #ffffff 1px solid; BORDER-LEFT: #ffffff 1px solid' cellSpacing=0 cellPadding=0 width='100%' bgColor=#e6e6fa 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 id='btCommand'><FONT color=#ff0000 >"+this.message+"</FONT></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){
	}
}

function showDiscussMsg(msg,href){
	var x=new CLASS_MSN_MESSAGE("1",200,120,"系统提示框","洽谈信息",msg,"",href);
	x.speed=20;
	x.step=5;
	x.show();
}