<!-- 网页特效代码由[站长中国:http://www.zzChina.net]提供! --> <!-- 要实现此效果需要 1 个步骤: --> <!-- 第 1 步: --> <!-- 把下面的代码加到<BODY></BODY>区域中: --> <SCRIPT LANGUAGE="JavaScript">
<!-- Begin
// Compare two options within a list by VALUES
function compareOptionValues(a, b)
{
// Radix 10: for numeric values
// Radix 36: for alphanumeric values
var sA = parseInt( a.value, 36 );
var sB = parseInt( b.value, 36 );
return sA - sB;
}
// Compare two options within a list by TEXT
function compareOptionText(a, b)
{
// Radix 10: for numeric values
// Radix 36: for alphanumeric values
var sA = parseInt( a.text, 36 );
var sB = parseInt( b.text, 36 );
return sA - sB;
}
// Dual list move function
function moveDualList( srcList, destList, moveAll )
{
// Do nothing if nothing is selected
if ( ( srcList.selectedIndex == -1 ) && ( moveAll == false ) )
{
return;
}
newDestList = new Array( destList.options.length );
var len = 0;
for( len = 0; len < destList.options.length; len++ )
{
if ( destList.options[ len ] != null )
{
newDestList[ len ] = new Option( destList.options[ len ].text, destList.options[ len ].value, destList.options[ len ].defaultSelected, destList.options[ len ].selected );
}
}
for( var i = 0; i < srcList.options.length; i++ )
{
if ( srcList.options[i] != null && ( srcList.options[i].selected == true || moveAll ) )
{
// Statements to perform if option is selected
// Incorporate into new list
newDestList[ len ] = new Option( srcList.options[i].text, srcList.options[i].value, srcList.options[i].defaultSelected, srcList.options[i].selected );
len++;
}
}
// Sort out the new destination list
newDestList.sort( compareOptionValues ); // BY VALUES
//newDestList.sort( compareOptionText ); // BY TEXT
// Populate the destination with the items from the new array
for ( var j = 0; j < newDestList.length; j++ )
{
if ( newDestList[ j ] != null )
{
destList.options[ j ] = newDestList[ j ];
}
}
// Erase source list selected elements
for( var i = srcList.options.length - 1; i >= 0; i-- )
{
if ( srcList.options[i] != null && ( srcList.options[i].selected == true || moveAll ) )
{
// Erase Source
//srcList.options[i].value = "";
//srcList.options[i].text = "";
srcList.options[i] = null;
}
}
} // End of moveDualList()
// End -->
</script>
<form ACTION="" METHOD="POST" name="myForm">
<table border="0">
<tr>
<td>
<!-- Multiple Select List with 20 rows size and 70 pixels wide -->
<!-- Using for SPACING and alignment -->
<select multiple size="20" style="width:70" name="listLeft">
<option value="10"> 10 </option>
<option value="20"> 20 </option>
<option value="30"> 30 </option>
<option value="40"> 40 </option>
<option value="50"> 50 </option>
<option value="A" > A </option>
<option value="B" > B </option>
<option value="F" > F </option>
<option value="X" > X </option>
</select>
</td>
<td><NOBR>
<input type="button" style="width:90" onclick="moveDualList( this.form.listLeft, this.form.listRight, false )"
name="Add >>" value="Add >>"> <BR>
<NOBR>
<input type="button" style="width:90" onclick="moveDualList( this.form.listRight, this.form.listLeft, false )"
name="Add <<" value="Add <<"> <BR>
<NOBR>
<input type="button" style="width:90" onclick="moveDualList( this.form.listLeft, this.form.listRight, true )"
name="Add All >>" value="Add All >>"> <BR>
<NOBR>
<input type="button" style="width:90" onclick="moveDualList( this.form.listRight, this.form.listLeft, true )"
name="Add All <<" value="Add All <<"> <BR>
</NOBR>
</td>
<td>
<select multiple size="20" style="width:70" name="listRight">
<option value="01"> 1 </option>
<option value="02"> 2 </option>
<option value="03"> 3 </option>
<option value="04"> 4 </option>
<option value="05"> 5 </option>
<option value="D" > D </option>
<option value="G" > G </option>
<option value="K" > K </option>
<option value="Z" > Z </option>
<option value="55"> 55 </option>
</select>
</td>
</tr>
</table>
</form>