/* 	--------- IE & Opera getElementById ?

   	--------- */


/* ---------- Show/Hide Checkboxs */
subscr_status_array = new Array ();
function SubscrExpand () {
  if (document.getElementById) {
    var subscr_id = document.getElementById('ddNForm');
    if (subscr_status_array['ddNForm'] != 'show') {
      subscr_id.className = 'showSwitch';
	  subscr_status_array['ddNForm'] = 'show';
    }else{
      subscr_id.className = 'hideSwitch';
	  subscr_status_array['ddNForm'] = 'hide';
	  document.getElementById('PersonWithABI').checked = false; 
      document.getElementById('PersonWithSCI').checked = false; 
      document.getElementById('Clinician').checked = false; 
      document.getElementById('FamilyCaregiverOfPersonWithABI').checked = false; 
      document.getElementById('FamilyCaregiverOfPersonWithSCI').checked = false; 
      document.getElementById('Researcher').checked = false; 
      document.getElementById('AssociationRepresentative').checked = false; 
      document.getElementById('GovernmentRepresentative').checked = false; 
      document.getElementById('Other').checked = false; 
      document.getElementById('Address').value = ""; 
      document.getElementById('City').value = ""; 
      document.getElementById('PostalCode').value = ""; 
	}
  }
}

/* ---------- Clear More */
function ClearExpand () {
  if (document.getElementById) {
    var subscr_id = document.getElementById('ddNForm');
    if (subscr_status_array['ddNForm'] != 'hide') {
      subscr_id.className = 'hideSwitch';
	  subscr_status_array['ddNForm'] = 'hide';
    }else{
      subscr_id.className = 'hideSwitch';
	  subscr_status_array['ddNForm'] = 'hide';
	  document.getElementById('PersonWithABI').checked = false; 
      document.getElementById('PersonWithSCI').checked = false; 
      document.getElementById('Clinician').checked = false; 
      document.getElementById('FamilyCaregiverOfPersonWithABI').checked = false; 
      document.getElementById('FamilyCaregiverOfPersonWithSCI').checked = false; 
      document.getElementById('Researcher').checked = false; 
      document.getElementById('AssociationRepresentative').checked = false; 
      document.getElementById('GovernmentRepresentative').checked = false; 
      document.getElementById('Other').checked = false; 
      document.getElementById('Address').value = ""; 
      document.getElementById('City').value = ""; 
      document.getElementById('PostalCode').value = ""; 
	}
  }
}


/* ---------- Clear Default Text if Any */
function clearText(field){
    if (field.defaultValue == field.value) field.value = '';
    else if (field.value == '') field.value = field.defaultValue;
}

/* ---------- Mandatory Fields */
function validate(formobj){
	// Name of Mandatory Fields
	var fieldMandatory = Array("FN", "LN", "Affiliation", "SectorGroup", "EmailAddr", "NM", "affiliation", "researchdiscipline", "emailaddress");
	// Field Description to appear in the Dialog Box
	var fieldDescription = Array("First Name", "Last Name", "Affiliation", "Sector", "Email Address", "Name", "Affiliation", "Research / Discipline", "Email Address");
	// Dialog Message
	var alertMsg = "Required fields are marked with an asterisk (*)\nPlease complete the following fields:\n\n";
	
	var l_Msg = alertMsg.length;
	
	for (var i = 0; i < fieldMandatory.length; i++){
		var obj = formobj.elements[fieldMandatory[i]];
		if (obj){
			switch(obj.type){
			case "select-one":
				if (obj.selectedIndex == -1 || obj.options[obj.selectedIndex].text == ""){
					alertMsg += " - " + fieldDescription[i] + "\n";
				}
				break;
			case "select-multiple":
				if (obj.selectedIndex == -1){
					alertMsg += " - " + fieldDescription[i] + "\n";
				}
				break;
			case "text":
			if (obj.value == "" || obj.value == null){
					alertMsg += " - " + fieldDescription[i] + "\n";
				}
				break;
			case "textarea":
				if (obj.value == "" || obj.value == null){
					alertMsg += " - " + fieldDescription[i] + "\n";
				}
				break;
			default:
			}
			if (obj.type == undefined){
				var btnchecked = false;
				for (var j = 0; j < obj.length; j++){
					if (obj[j].checked){
						btnchecked = true;
					}
				}
				if (!btnchecked){
					alertMsg += " - " + fieldDescription[i] + "\n";
				}
			}
		}
	}
	if (alertMsg.length == l_Msg){
		return true;
	}else{
		alert(alertMsg);
		return false;
	}
}