jsss2

//---<ec:column property="null" title="<input name='checkbox22' type='checkbox' id='items:selectAll' onClick='handleSelectAllEvent(\"ptform\",\"items:selectAll\");' value='selectAll' style='cursor:pointer'>全选"  width="5%" sortable="false" >----
function handleSelectAllEvent(formId,selAllId){

var selector = $(selAllId);
if (selector.checked == true){
selectAll(formId);
}
else{
deselectAll(formId);
}
}
/**
* Select All checkboxes in the form except for the disables.
*/
function selectAll(formId)
{
var form = $(formId);
var eles = form.elements;
if (eles.length > 0)
{
for (var i=0; i<eles.length; i++)
{
var node = eles[i];
if (node.type == "checkbox" && node.disabled == false)
{
node.checked = true;
}
}
}
}
/**
* Deselect All checkboxes in the form except for the disables.
*/
function deselectAll(formId)
{
var form = $(formId);
var eles = form.elements;
//alert(eles.length);
if (eles.length > 0)
{
for (var i=0; i<eles.length; i++)
{
var node = eles[i];
//alert(node.tagName);
if (node.type == "checkbox" && node.disabled == false)
{
node.checked = false;
}
}
}
}



//判断复选框选是否被选中，选中返回选中后的ID值
function getEmenVale(objid){
   var form=$(objid),eles = form.elements;
   var reId="";
   var k=0;
   if (eles.length > 0){
   var checkedboxNum=0; //选中的复选筐
for (var i=0; i<eles.length; i++){
    var node = eles[i];
    if (node.type == "checkbox" && node.disabled == false){
if(node.checked){
   if (k == 0) {
     reId = "'" + node.value+ "'";
     k=k+1;
   }else {
reId = reId + ",'" + node.value + "'";
k=k+1;
  }
}

    }
}
   }
   return reId;
}