<script language=javascript>
<!-- 全选 -->
function selectall(v){
var f = document.forms["listmsgs"];
for (i=0;i<f.elements.length;i++)
if (f.elements[i].value=="on") f.elements[i].checked = v;
document.forms["listmsgs"].elements["clickall"].checked = v;
document.forms["listmsgs"].elements["clickall2"].checked = v;
}
<!-- 清空 -->
function clickexpunge(){
document.forms["listmsgs"].action="folder";
document.forms["listmsgs"].elements["act"].value="4";
document.forms["listmsgs"].submit();
}
<!-- 是否有选中? -->
function isselected(){
var f = document.forms["listmsgs"];
for (i=0;i<f.elements.length;i++)
if ((f.elements[i].value=="on") && (f.elements[i].checked)) return true;
return false;
}
<!--是否全部选中? -->
function isallselected(){
var selectcount = 0;
var allcount=0;
var f = document.forms["listmsgs"];
for(i=0;i<f.elements.length;i++){
if ((f.elements[i].name.indexOf("select")>-1) && (f.elements[i].checked)){
selectcount = selectcount + 1;
}
}
for(i=0;i<f.elements.length;i++){
if ((f.elements[i].name.indexOf("select")>-1)){
allcount = allcount+1;
}
}
if(selectcount==allcount)
return true;
else
return false;
}