#imageDiv>div{
		width:100px;
		height:100px;
		margin:10px;
		float:left;
		position:relative;
	}
	#imageDiv>div img{
		width:100%;
		height:100%;
	}
	#imageDiv>div span{
		width:100%;
		position:absolute;
		color:white;
	}
	#imageDiv>div span.msgbg{
		height:100%;
		top:0;
		left:0;
		background-color:#666666;
		opacity:0.5;
	}
	#imageDiv>div span.msg{
		height:100%;
		top:0;
		left:0;
		line-height:100px;
	}
	#imageDiv>div span.btnbg{
		height:20px;
		bottom:0;
		left:0;
		background-color:#666666;
		opacity:0.5;
	}
	#imageDiv>div span.btn{
		height:20px;
		bottom:0;
		left:0;
		line-height:20px;
		cursor:pointer;
		text-align: center;
    	background: none;
	}
	#imageDiv>div.add span.msgbg{
		height:100%;
		top:0;
	}
	#imageDiv>div.add span.plus{
		top:20px;
		left:20px;
		width:60px;
		height:60px;
		color:white;
		font-size:50px;
		line-height:60px;
		cursor:pointer;
		font-family: 宋体;
		text-align: center;
	}
	#imageDiv>div.add .file{
		position:absolute;
		top:20px;
		left:20px;
		width:60px;
		height:60px;
		opacity:0;
	}