$().ready(function() {  
  checkBoxShowHide('P5_REPORT_HEADERS', 'hidden');

  $('#CLEAR_SELECTIONS').click(function() {
     clearCheckCookies('P5_REPORT_HEADERS'); });

});

function hideByCookie(pId) {
    if($.cookie(pId) == "hidden") {hideColumn(pId);}else{showColumn(pId);}
}
function showByCookie(pId) {
    if ($.cookie(pId)=='hidden'){showColumn(pId);}else{hideColumn(pId);}
}

function showColumn(pId) {
 var colToShow = $('#'+ pId).val();
 $.cookie(pId, 'shown');
  $("#"+colToShow).show();
  $('#'+pId).attr('checked', 'true');
  $("td[headers="+colToShow+"]").each(function() {
      $(this).show(); });
}

function hideColumn(pId) {
 var colToHide = $("#" + pId).val();
 $.cookie(pId, 'hidden');
 $("#"+colToHide).hide();
 $("td[headers="+colToHide+"]").each(function(){
         $(this).hide(); });
}

function checkBoxShowHide(pCheckBoxRoot, initialState) {
      $("input[type=checkbox][id^='"+pCheckBoxRoot+"']").each(function(i, o){
         var ckId = $(this).attr('id');
           if($.cookie(ckId) == undefined ) {$.cookie(ckId, initialState);}
           hideByCookie(ckId);
          $('#'+ckId).click(function() {
            showByCookie(ckId); });
      });
}

function clearCheckCookies (pCheckBoxRoot) {
$("input[type=checkbox][id^='"+pCheckBoxRoot+"']").each(function(i, o){	
		$.cookie($(this).attr('id'), null);
		doSubmit('CLEAR');
		});
}