select的增删(二)

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">

function moveOption(oFromList, oToList, bAll)

{

var nFromLen = oFromList.options.length;

var nToLen = oToList.options.length;

var i = 0;

while (nFromLen > 0)

{

if (oFromList.options[i].selected || bAll)

{

oToList[nToLen++] = new Option(oFromList.options[i].text, oFromList.options[i].value);

oFromList.options[i] = null;

}

else

i++;

nFromLen--;

}

sortOption(oToList);

}

function compare(a,b)

{

if (a.text < b.text)

return -1;

else if (a.text > b.text)

return 1;

return 0;

}

function sortOption(oList)

{

if (oList.options.length > 1)

{

var optionList = new Array();

for (var i=0; i < oList.options.length; i++)

optionList.push(oList.options[i]);

optionList.sort(compare);

oList.length = 0;

for (var i=0; i < optionList.length; i++)

oList.options[i] = optionList[i];

}

</SCRIPT>

<BODY>

<TBODY>

<TR>

<TD><SELECT multiple size=4 name=leftlist> <OPTION

value=1>Ameng1</OPTION> <OPTION value=2>Ameng2</OPTION> <OPTION

value=3>Ameng3</OPTION> <OPTION value=4>Ameng4</OPTION></SELECT> </TD>

</TD>

</FORM></BODY></HTML>

posted on 2006-04-05 18:25 Ameng 阅读(183) 评论(0) 收藏举报