js+css实现带复选框的下拉列表
<html>
<body>
<script language=javascript>
ie4=(document.all)?true:false;
ns4=(document.layers)?true:false;
function toExit(){
var args=toExit.arguments;
var visible=args[0];
if(ns4){
theObj=eval("document.layers[\'"+args[1]+"\']");
if(theObj)theObj.visibility=visible;
}
else if(ie4){
if(visible=='show')visible='visible';
if(visible=='hide')visible='hidden';
theObj=eval("document.all[\'"+args[1]+"\']");
if(theObj)theObj.style.visibility=visible;
}
var adiv=document.getElementById("boysoft");
var bdiv=document.getElementById("csb");
var cdiv=document.getElementById("csb1");
if(adiv.style.visibility=="visible"){
?? bdiv.style.display="none";
?? cdiv.style.display="inline";
}else{
?? bdiv.style.display="inline";
?? cdiv.style.display="none";
}
var chk=myForm.c;
var p="";
for(var j=0;j<chk.length;j++){
?? if(chk[j].checked){
??? p+=chk[j].value+",";
?? }
}
myForm.t1.value=p;
}
function qk(){
myForm.t1.value="";
}
function checkAll()
{
if(myForm.c != undefined)
?? {
??? if(myForm.c.length == undefined)
??? {
???? if(myForm.c.checked == true)
????? myForm.c.checked = false;
???? else
????? myForm.c.checked = true;
??? }
??? else
???????? {
???????? for(var i=0;i<myForm.c.length;i++)
????????? {
????????????? if(myForm.c[i].checked == true)
????????????? myForm.c[i].checked = false;
????????????? else
????????????? myForm.c[i].checked = true;
????????? }
?????????
????? }
?? }???
}
</script>
<form name="myForm">
<div id=boysoft onclick="javascript:toExit('show','boysoft')"
style="HEIGHT: 128px; LEFT: 9px; POSITION: absolute; TOP: 36px; VISIBILITY: hidden; WIDTH: 83px; Z-INDEX: 1; background-color: #ffffff; layer-background-color: #ffffff; border: 1px none #000000">
<DIV style="OVERFLOW: auto; SCROLLBAR-BASE-COLOR: #cccccc; HEIGHT: 80px;SCROLLBAR-FACE-COLOR: #ffffff;SCROLLBAR-SHADOW-COLOR:#cccccc;SCROLLBAR-ARROW-COLOR: #cccccc;SCROLLBAR-3DLIGHT-COLOR: #cccccc">
<table border="0" width="100%">
<tr>
<td nowrap height="32"><input type="checkbox" name="c" value="1">商场01</td>
</tr>
<tr>
<td nowrap height="22"><input type="checkbox" name="c" value="2">商场02</td>
</tr>
<tr>
<td nowrap height="28"><input type="checkbox" name="c" value="3">商场03</td>
</tr>
<tr>
<td nowrap height="28"><input type="checkbox" name="c" value="4">商场04</td>
</tr>
<tr>
<td nowrap height="28"><input type="checkbox" name="c" value="5">商场05</td>
</tr>
<tr>
<td nowrap height="28"><input type="checkbox" name="c" value="6">商场06</td>
</tr>
<tr>
<td nowrap height="28"><input type="checkbox" name="c" value="7">商场07</td>
</tr>
</table>
</DIV>
</div>
<table>
<tr>
<td>
<input type="text" name="t1" value="" size="10" readonly onclick="javascript:toExit('show','boysoft')">
</td>
<td>
<div id="csb" style="display:inline">
<font color="red">
<a style="cursor:pointer" onclick="javascript:toExit('show','boysoft')">【选择商场】</a>
<a style="cursor:pointer" onclick="qk()">【清空】</a>
</font>
</div>
<div id="csb1" style="display:none">
<font color="red">
<a style="cursor:pointer" onclick="javascript:toExit('hide','boysoft')">【选定】</a>
<a style="cursor:pointer" onclick="checkAll()">【全选/反选】</a></font>
</div>
</td>
</tr>
</table>
</form>
</body>
</html>
