用javascript美化Select,并获取相应的值

以下为详细代码

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3c.org/TR/1999/REC-html401-19991224/loose.dtd">
<HTML lang=zh-CN xmlns="http://www.w3.org/1999/xhtml"><HEAD><TITLE>用javascript美化Select,并获取相应的值</TITLE>
<META http-equiv=Content-Type content="text/html; charset=gb2312">
<META http-equiv=Content-Language content=zh-CN>
<STYLE type=text/css>* {
	PADDING-RIGHT: 0px; PADDING-LEFT: 0px; PADDING-BOTTOM: 0px; MARGIN: 0px; PADDING-TOP: 0px
}
BODY {
	MARGIN: 50px
}
.iDiv {
	BORDER-RIGHT: #aaa 1px solid; BORDER-TOP: #aaa 1px solid; FONT-SIZE: 12px; BACKGROUND: url(images/select_bg.gif) no-repeat 100% 0px; VERTICAL-ALIGN: middle; BORDER-LEFT: #aaa 1px solid; CURSOR: default; COLOR: #333; TEXT-INDENT: 4px; LINE-HEIGHT: 20px; BORDER-BOTTOM: #aaa 1px solid; POSITION: absolute; HEIGHT: 20px
}
.iDiv_over {
	BACKGROUND-POSITION: 100% 100%; COLOR: #f96
}
.iDiv_out {
	BACKGROUND-POSITION: 100% 0px; COLOR: #333
}
.cDiv {
	BORDER-RIGHT: silver 1px solid; BORDER-TOP: silver 1px solid; Z-INDEX: 1; BACKGROUND: #f7f7f7; OVERFLOW: auto; BORDER-LEFT: silver 1px solid; CURSOR: default; BORDER-BOTTOM: silver 1px solid; POSITION: absolute; moz-user-select: none
}
.cDiv UL {
	PADDING-RIGHT: 0px; PADDING-LEFT: 0px; FONT-SIZE: 12px; PADDING-BOTTOM: 0px; MARGIN: 0px; PADDING-TOP: 0px; listStyle: none
}
.cDiv UL LI {
	TEXT-INDENT: 4px; LINE-HEIGHT: 20px; HEIGHT: 20px
}
</STYLE>

<SCRIPT>
function $() {
	return document.getElementById(arguments[0]);
}

//取得外部class的属性值

function getCurrentStyle(o) {
	return o.currentStyle||document.defaultView.getComputedStyle(o,null);
}

window.onload = function() {
	SetAllSelects.setAllSelectStyle();
}
</SCRIPT>

<META content="MSHTML 6.00.5730.13" name=GENERATOR></HEAD>
<BODY>
<FORM><SELECT> <OPTION selected>这一只不需要美化</OPTION> <OPTION>选择1_1</OPTION> 
  <OPTION>选择1_2</OPTION></SELECT> &nbsp; <SELECT class=select> <OPTION 
  selected>要美化的就加class</OPTION> <OPTION>选择2_1</OPTION> 
  <OPTION>选择2_22_22_22_2</OPTION> <OPTION>选择2_22_22_22_3</OPTION></SELECT> 
<BR><BR><BR><SELECT class=select> <OPTION value=3_1 
  selected>拿这一只来证明取值和取文字都没有问题</OPTION> <OPTION value=3_2>选择3_22_22_22_2</OPTION> 
  <OPTION value=3_3>选择3_22_22_22_3</OPTION> <OPTION 
  value=3_4>选择3_22_22_22_4</OPTION> <OPTION value=3_5>选择3_22_22_22_5</OPTION> 
  <OPTION value=3_6>选择3_22_22_22_6</OPTION> <OPTION 
  value=3_7>选择3_22_22_22_7</OPTION> <OPTION value=3_8>选择3_22_22_22_8</OPTION> 
  <OPTION value=3_9>选择3_22_22_22_9</OPTION> <OPTION 
  value=3_10>选择3_22_22_22_10</OPTION> <OPTION 
  value=3_11>选择3_22_22_22_11</OPTION> <OPTION 
  value=3_12>选择3_22_22_22_12</OPTION> <OPTION 
  value=3_13>选择3_22_22_22_13</OPTION> <OPTION 
  value=3_14>选择3_22_22_22_14</OPTION> <OPTION 
  value=3_15>选择3_22_22_22_15</OPTION> <OPTION 
value=3_16>选择3_22_22_22_16</OPTION></SELECT> </FORM>
<SCRIPT>
function getValue() {
	var kk = document.getElementsByTagName('select')[2];
	return kk.options[kk.selectedIndex].value;
}
function getTxt() {
	var kk = document.getElementsByTagName('select')[2];
	return kk.options[kk.selectedIndex].innerHTML;
}
</SCRIPT>
<BR><BR>
<A onclick=alert(getValue()); href="#;">取第三个的值</A> 
<A onclick=alert(getTxt()); href="#;">取第三个的文本</A> 
</BODY></HTML>

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