/*
Javascript to Toggle Check Boxes
Coded by Ruben Benjamin- Kerala, India
rubenbenjamin@gmail.com
*/
var global=1;//global variable used to toggle the click all
function checkAll(formId, cName, check )
{
   if(check==1)
{
      for (i=0,n=formId.elements.length;i<n;i++)
    if (formId.elements[i].className.indexOf(cName) !=-1)
formId.elements[i].checked = true;
}
   if(check==0)
{
      for (i=0,n=formId.elements.length;i<n;i++)
    if (formId.elements[i].className.indexOf(cName) !=-1)
formId.elements[i].checked = false;
}

}
function toggle()
{
   checkAll(document.getElementById('myform'), 'filecheck', global);
   if (global==0)
      {
         global=1;
      }
   else if(global==1)
      {
         global=0;
      }
}