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javascript²Ù×÷¸´Ñ¡¿òº¯Êý
function CheckAll(form) {//È«Ñ¡
for (var i=0;i    var e = form.elements[i];
    if (e.name != 'chkall')
       e.checked = form.chkall.checked;
   }
}
function checkSelect()//ÅжÏÊÇ·ñÓÐÑ¡Ïî
{
   var pass = false;
   var input_elements = document.getElementsByName("Pdel[]");
   for ( var i= 0; i< input_elements.length ; i++ )
   {
    var is_checked =   input_elements[i].checked;
    var input_name =   input_elements[i].getAttribute("name");
    var input_type = input_elements[i].getAttribute("type");
    if ( input_type == "checkbox" && input_name != "chkall" && true == is_checked )
     pass = true;
   }
   if ( false == pass )
   {
    alert("ÇëÑ¡ÔñҪɾ³ýµÄÑ¡Ïî!");
    return false;
   }
   else
    return true;
}
function selrev() {//·´Ñ¡
with(document.myform) {
   for(i=0;i    thiselm = elements[i];
    if(thiselm.name.match(/dfile\[]/))
  thiselm.checked = !thiselm.checked;
   }
}
}