/***********************************************
* Limit number of checked checkboxes script- by JavaScript Kit (www.javascriptkit.com)
* This notice must stay intact for usage
* Visit JavaScript Kit at http://www.javascriptkit.com/ for this script and 100s more
***********************************************/
function checkboxlimit(checkgroup, limit){
	var checkgroup=checkgroup
	var limit=limit
	for (var i=0; i<checkgroup.length; i++){
		checkgroup[i].onclick=function(){
		var checkedcount=0
		for (var i=0; i<checkgroup.length; i++)
			checkedcount+=(checkgroup[i].checked)? 1 : 0
		if (checkedcount>limit){
			alert("You can only select a maximum of "+limit+" checkboxes")
			this.checked=false
			}
		}
	}
}

function verifyRequired() {
  if (document.icpsignup["fields_email"].value == "") {
	document.icpsignup["fields_email"].focus();
	alert("The Email field is required.");
	return false;
  }
  if (document.icpsignup["fields_fname"].value == "") {
	document.icpsignup["fields_fname"].focus();
	alert("The First Name field is required.");
	return false;
  }
if (!document.icpsignup["listid:25855"].checked && !document.icpsignup["listid:25856"].checked && !document.icpsignup["listid:25857"].checked && !document.icpsignup["listid:25854"].checked && true)				
  {
	alert("Please select a checkbox option");
	return false;
  } 

return true;
}