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鼠标滚轮使图片放大缩小

2007-06-08 12:27 489 查看

<%@ Page language="c#" Codebehind="WebForm21.aspx.cs" AutoEventWireup="false" Inherits="TBT_Admin.NewFolder1.WebForm21" %>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN" >
<HTML>
<HEAD>
<title>WebForm4</title>
<meta name="GENERATOR" Content="Microsoft Visual Studio .NET 7.1">
<meta name="CODE_LANGUAGE" Content="C#">
<meta name="vs_defaultClientScript" content="JavaScript">
<meta name="vs_targetSchema" content="http://schemas.microsoft.com/intellisense/ie5">
<script language="javascript">
function bbimg(o)
{
var zoom=parseInt(o.style.zoom, 10)||100;zoom+=event.wheelDelta/12;if (zoom>0) o.style.zoom=zoom+'%';
return false;
}
</script>
</HEAD>
<body MS_POSITIONING="GridLayout">
<form id="Form1" method="post" runat="server">
<img src="/images/denglu_bg.jpg" onload="javascript:if(this.width>screen.width*0.7)this.style.width=screen.width*0.7;"
onmousewheel="return bbimg(this)" style="Z-INDEX: 101; LEFT: 104px; POSITION: absolute; TOP: 0px">
</form>
</body>
</HTML>

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