想通过script控制IMAGE的width heigh的大小来实现鼠标移动到上面放大的作用为什么我的代码不能显示
<%@ Page Language="C#" AutoEventWireup="true" CodeFile="site_picture.aspx.cs" Inherits="_Default" %>
<!DOCTYPE html>
<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
<meta http-equiv="Content-Type" content="text/html; charset=utf-8"/>
<title></title>
<script>
function mov()
{
document.getElementById("Image1").height = "600"
document.getElementById("Image1").width = "600"
}
function mov2() {
document.getElementById("Image1").height = "300"
document.getElementById("Image1").width = "200"
}
</script>
</head>
<body >
<form id="form1" runat="server">
<div class="d1">
<asp:Image ID="Image1" onmouseover="mov()" onmouseout="mov2()" runat="server" Width="200" Height="300" />
<asp:TextBox ID="TextBox1" runat="server">
</asp:TextBox><asp:Button ID="Button1" runat="server" Text="Button" OnClick="Button1_Click" />
<br /><br />
<asp:Image ID="Image2" runat="server" Width="200" Height="200" />
<asp:Image ID="Image3" runat="server" Width="200" Height="200" />
<asp:Image ID="Image4" runat="server" Width="200" Height="200" />
</div>
</form>
</body>
</html>