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<html>
<head>
<title>按钮背景</title>
<meta http-equiv="目录类型" content="文本/html; 字符集=gb2312">
<style type="text/css">
<!--
a{font-style:normal;text-decoration:none;color:white}
a:hover {BACKGROUND:red;font-style:normal;text-decoration:none;color:yellow}
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table {  font-size: 9pt}
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</style>
</head>

<body topmargin="0" leftmargin="0">
<table width="100%" border="0" cellspacing="0" cellpadding="0" style="font-size: 9pt;">
  <tr bgcolor="#336699"> 
    <td colspan="3" height="18">&nbsp; </td>
  </tr>
  <tr> 
    <td bgcolor="#336699" width="18"></td>
    <td align="center"> <br>
      <table width="56%" border="0" cellspacing="0" cellpadding="0" height="355">
        <tr> 
          <td rowspan="2" width="16" valign="top"> 
            <table width="100%" border="0" cellspacing="0" cellpadding="0" class="white" style="FONT-SIZE: 11pt;">
              <tr bgcolor="#336699" bordercolor="#336699"> 
                <td style="BORDER-RIGHT: double; BORDER-TOP: double;  BORDER-LEFT: double; BORDER-BOTTOM: double;" height="70"><strong><a href="11.htm">演<br>
                  <br>
                  示</a></strong></td>
              </tr>
              <tr bordercolor="#009900" bgcolor="#009900"> 
                <td style="BORDER-RIGHT: double; BORDER-TOP: double; BORDER-LEFT: double; BORDER-BOTTOM: double" height="70"><strong><a href="11c.htm">源<br>
                  代<br>
                  码</a></strong></td>
              </tr>
            </table>
          </td>
          <td rowspan="2" width="8" bgcolor="#336699">&nbsp;</td>
          <td align="center" style="BORDER-RIGHT: double; BORDER-TOP: double; FONT-SIZE: 12pt; BORDER-LEFT: double; BORDER-BOTTOM: double" bordercolor="#336699" valign="top" height="335"> 
            <script language="JavaScript">
<!--
function backcolor(form) {
temp = ""
for (var i = 0; i < 16; i++) {
temp = form.color[i].value
if (form.color[i].checked){ document.bgColor = temp }
   }
}
function randombackground() {
document.bgColor = getColor()
}
function getColor(){
currentdate = new Date()
backgroundcolor = currentdate.getSeconds()
if (backgroundcolor > 44)
backgroundcolor = backgroundcolor - 45
else if (backgroundcolor > 29)
backgroundcolor = backgroundcolor - 30
else if (backgroundcolor > 15)
backgroundcolor = backgroundcolor - 16
if (backgroundcolor == 0 )
return "olive";
else if (backgroundcolor == 1 )
return "teal";
else if (backgroundcolor == 2 )
return "red";
else if (backgroundcolor == 3 )
return "blue";
else if (backgroundcolor == 4 )
return "maroon";
else if (backgroundcolor == 5 )
return "navy";
else if (backgroundcolor == 6 )
return "lime";
else if (backgroundcolor == 7 )
return "fuschia";
else if (backgroundcolor == 8 )
return "green";
else if (backgroundcolor == 9 )
return "purple";
else if (backgroundcolor == 10 )
return "gray";
else if (backgroundcolor == 11 )
return "yellow";
else if (backgroundcolor == 12 )
return "aqua";
else if (backgroundcolor == 13 )
return "black";
else if (backgroundcolor == 14 )
return "white";
else if (backgroundcolor == 15 )
return "silver";
}
// End -->
</script>
            <br>
            <b>按钮背景</b> 
            <hr width="92%" size="1" align="center">
            <table width="90%" border="0" cellspacing="0" cellpadding="0" style="FONT-SIZE: 9pt;">
              <tr> 
                <td colspan="2" height="8"></td>
              </tr>
              <tr> 
                <td width="40" valign="top">提示：</td>
                <td>下面的按钮每点击一次，背景就会随机变换一次。<br>
                  <br>
                  <form>
                    <input type="button" value="按钮背景颜色" onClick="randombackground()" name="button">
                  </form>
                </td>
              </tr>
            </table>
          </td>
        </tr>
        <tr> 
          <td height="20" class="white" bgcolor="#336699">当前位置:<a href="../../index.htm">首 
            页</a><a href="../index.htm">→JavaScript</a>→<a href="index.htm#11">背景特效</a>→按钮背景.</td>
        </tr>
      </table>
      <br>
    </td>
    <td bgcolor="#336699" width="18"></td>
  </tr>
  <tr> 
    <td bgcolor="#336699"></td>
    <td align="center" bgcolor="#336699" height="35"> <font color="#FFFFFF">··万旭网站工作室 
      设计发布··</font> </td>
    <td bgcolor="#336699">&nbsp;</td>
  </tr>
</table>
</body>
</html>
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