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JS choose to add Delete content menu code

Source: Internet
Author: User
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<HTML>


<HEAD>


<TITLE> Web page Special effects |jzread.com/Choose Add Delete Content menu </TITLE>


<meta http-equiv= "Content-type content=" HTML; charset=gb2312 ">


</HEAD>


<BODY>


<p> Select one or more items and then click Add or Remove (hold down SHIFT or CTRL to select more), or double-click on the selection to add and remove. </p>


<form method= "POST" name= "MyForm" >


<table border= "0" width= ">
"

<tr>


<td width= "costs" >


<select style= "width:100%" ListBox name= "List1" size= "ondblclick=" Moveoption (Document.myform.list1, DOCUMENT.MYFORM.LIST2) ">


<option value= "Beijing" > Beijing </option>


<option value= "Shanghai" > Shanghai </option>


<option value= "Shandong" > Shandong </option>


<option value= "Anhui" > Anhui </option>


<option value= "Chongqing" > Chongqing </option>


<option value= "Fujian" > Fujian </option>


<option value= "Gansu" > Gansu </option>


<option value= "Guangdong" > Guangdong </option>


<option value= "Guangxi" > Guangxi </option>


<option value= "Guizhou" > Guizhou </option>


<option value= "Hainan" > Hainan </option>


<option value= "Hebei" > Hebei </option>


<option value= "Heilongjiang" > Heilongjiang </option>


<option value= "Henan" > Henan </option>


<option value= "Hubei" > Hubei </option>


<option value= "Hunan" > Hunan </option>


<option value= "Inner Mongolia" > Inner Mongolia </option>


<option value= "Jiangsu" > Jiangsu </option>


<option value= "Jiangxi" > Jiangxi </option>


<option value= "Jilin" > Jilin </option>


<option value= "Liaoning" > Liaoning </option>


<option value= "Ningxia" > Ningxia </option>


<option value= "Qinghai" > Qinghai </option>


<option value= "Shanxi" > Shanxi </option>


<option value= "Shaanxi" > Shaanxi </option>


<option value= "Sichuan" > Sichuan </option>


<option value= "Tianjin" > Tianjin </option>


<option value= "Tibet" > Tibet </option>


<option value= "Xinjiang" > Xinjiang </option>


<option value= "Yunnan" > Yunnan </option>


<option value= "Zhejiang" > Zhejiang </option>


<option value= "Hong Kong" > Hong Kong </option>


<option value= "Macau" > Macau </option>


<option value= "Taiwan" > Taiwan </option>


<option value= "Other" > Other </option>


</select>


</td>


<td width= "from" align= "center" >


<input type= "button" value= "Add onclick=" Moveoption (Document.myform.list1, Document.myform.list2) ">< Br><br>


<input type= "button" value= "delete" onclick= "Moveoption (Document.myform.list2, Document.myform.list1)" >


</td>


<TD width= "costs" >


<select style= "width:100%" ListBox name= "List2" size= "ondblclick=" Moveoption (Document.myform.list2, DOCUMENT.MYFORM.LIST1) ">


</select>


</td>


</tr>


</table>


value: <input type= "text" name= "City" size= "" value= ""/>


</form>


<script language= "JavaScript" >


<!--


function Moveoption (e1, E2) {


try{


for (Var i=0;i<e1.options.length;i++) {


if (e1.options[i].selected) {


var e = e1.options[i];


E2.options.add (New Option (E.text, E.value));


E1.remove (i);


I=i-1


   }


  }


Document.myform.city.value=getvalue (DOCUMENT.MYFORM.LIST2);


 }


catch (e) {}


}


function GetValue (geto) {


var allvalue = "";


for (Var i=0;i<geto.options.length;i++) {


allvalue +=geto.options[i].value + ",";


 }


return allvalue;


}


//-->


</script>


</BODY>


</HTML>

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