日期:2011-02-25  浏览次数:21098 次

<HTML>
<HEAD>
<TITLE> New Document </TITLE>
<META NAME="Generator" CONTENT="EditPlus">
<META NAME="Author" CONTENT="">
<META NAME="Keywords" CONTENT="">
<META NAME="Description" CONTENT="">
<STYLE>
BODY, SELECT
{
    FONT-FAMILY: TIMES NEW ROMAN;
    FONT-SIZE: 10PT;
}
</STYLE>
<SCRIPT LANGUAGE="JavaScript">
<!--
window.onload = initPage;
function initPage()
{
    btnPutUp.onclick    = putUp;
    btnPutDown.onclick    = putDown;

    btnGoUp.onclick    = goUp;
    btnGoDown.onclick    = goDown;
}

function putUp()
{
    var strTempValue;
    var strTempText;
    var intCurIndex;
    
    intCurIndex = sltFruit.selectedIndex;
    //alert("intCurIndex: " + intCurIndex);

    if (intCurIndex > 0)
    {
        strTempValue= sltFruit.options.item(intCurIndex).value;
        strTempText    = sltFruit.options.item(intCurIndex).text;
        //alert(strTempText + " - " + strTempValue);
        
        sltFruit.options.item(intCurIndex).value    = sltFruit.options.item(intCurIndex - 1).value;
        sltFruit.options.item(intCurIndex).text        = sltFruit.options.item(intCurIndex - 1).text;
        sltFruit.options.item(intCurIndex - 1).value= strTempValue;
        sltFruit.options.item(intCurIndex - 1).text    = strTempText;
        sltFruit.selectedIndex = intCurIndex - 1;
    }
}

function putDown()
{
    var strTempValue;
    var strTempText;
    var intCurIndex;
    var intIndexCount;
    
    intCurIndex    = sltFruit.selectedIndex;
    intIndexCount    = sltFruit.length;
    //alert("intCurIndex: " + intCurIndex);
    //alert("intIndexCount: " + intIndexCount);
    
    if (intCurIndex < intIndexCount - 1)
    {
        strTempValue= sltFruit.options.item(intCurIndex).value;
        strTempText    = sltFruit.options.item(intCurIndex).text;
        //alert(strTempText + " - " + strTempValue);
        
        sltFruit.options.item(intCurIndex).value    = sltFruit.options.item(intCurIndex + 1).value;
        sltFruit.options.item(intCurIndex).text        = sltFruit.options.item(intCurIndex + 1).text;
        sltFruit.options.item(intCurIndex + 1).value= strTempValue;