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MultiSelect左右选择

 
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<!-- 把如下代码加入<body>区域中 --> 
<SCRIPT LANGUAGE="JavaScript"> 
<!-- Begin 
sortitems = 1;  // Automatically sort items within lists? (1 or 0) 

 function move(fbox,tbox) { 
  for(var i=0; i<fbox.options.length; i++) { 
    if(fbox.options[i].selected && fbox.options[i].value != "") { 
    var no = new Option(); 
    no.value = fbox.options[i].value; 
    no.text = fbox.options[i].text; 
    tbox.options[tbox.options.length] = no; 
    fbox.options[i].value = ""; 
    fbox.options[i].text = ""; 
       } 
  } 
 BumpUp(fbox); 
 if (sortitems) SortD(tbox); 
 } 

   function moveall(fbox,tbox) { 
  for(var i=0; i<fbox.options.length; i++) { 
    if(fbox.options[i].value != "") { 
    var no = new Option(); 
    no.value = fbox.options[i].value; 
    no.text = fbox.options[i].text; 
    tbox.options[tbox.options.length] = no; 
    fbox.options[i].value = ""; 
    fbox.options[i].text = ""; 
       } 
  } 
 BumpUp(fbox); 
 if (sortitems) SortD(tbox); 
 } 


 function BumpUp(box)  { 
  for(var i=0; i<box.options.length; i++) { 
    if(box.options[i].value == "")  { 
       for(var j=i; j<box.options.length-1; j++)  { 
       box.options[j].value = box.options[j+1].value; 
       box.options[j].text = box.options[j+1].text; 
       } 
    var ln = i; 
    break; 
       } 
  } 
  if(ln < box.options.length)  { 
  box.options.length -= 1; 
  BumpUp(box); 
     } 
 } 

function SortD(box)  { 
 var temp_opts = new Array(); 
 var temp = new Object(); 
 for(var i=0; i<box.options.length; i++)  { 
 temp_opts[i] = box.options[i]; 
 } 

 for(var x=0; x<temp_opts.length-1; x++)  { 
   for(var y=(x+1); y<temp_opts.length; y++)  { 
     if(temp_opts[x].text > temp_opts[y].text)  { 
     temp = temp_opts[x].text; 
     temp_opts[x].text = temp_opts[y].text; 
     temp_opts[y].text = temp; 
     temp = temp_opts[x].value; 
     temp_opts[x].value = temp_opts[y].value; 
     temp_opts[y].value = temp; 
        } 
      } 
 } 

 for(var i=0; i<box.options.length; i++)  { 
 box.options[i].value = temp_opts[i].value; 
 box.options[i].text = temp_opts[i].text; 
    } 
} 

  


   
// End --> 
</script> 

<form ACTION="" METHOD="POST"> 
<table border="0"> 
<tr> 
<td><select multiple size="5" name="list1" style="width:250px"> 
<option value="11"> item 1.1 </option> 
<option value="12"> item 1.2 </option> 
<option value="13"> item 1.3 </option> 
</select></td> 
<td> 
<input type="button" value="   >   " onclick="move(this.form.list1,this.form.list2)" name="B1">
 
<input type="button" value="   <   " onclick="move(this.form.list2,this.form.list1)" name="B2">
 

<input type="button" value="   >>   " onclick="moveall(this.form.list1,this.form.list2)" name="B3">
 
<input type="button" value="   <<   " onclick="moveall(this.form.list2,this.form.list1)" name="B4"> 
</td> 
<td><select multiple size="5" name="list2" style="width:250px"> 
<option value="21"> item 2.1 </option> 
<option value="22"> item 2.2 </option> 
<option value="23"> item 2.3 </option> 
</select></td> 


</tr> 
</table> 
</form>

 转自http://www.jb51.net/article/12497.htm 在这里推荐使用jqueryUI的multiselect这个小插件

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| jQuery插件---MultiSelects(左右选框)转 ...
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