var HealthForm = Class.create();
  HealthForm.prototype =
  {
    initialize: function(form_id){
      this.initializeRequiredFields();
      this.initializeEvents();
      this.lockReturnKey  		= false;
      this.form_elements  		= this.getErrorElements();
      this.step								=	1;
      this.is_valid						= true;
    },

    /*************************************************
     *initialize the validations for required elements
     */
    initializeRequiredFields : function(){
    	//coverage section (applicant)
    	$("gender1_error").addClassName("required");
    	$("dob1_on_error").addClassName("validate-dob");
    	$("insured1_height_error").addClassName("validate-height");
    	$("insured1_weight_error").addClassName("validate-weight");
    	//contact info section
    	$("first_name_error").addClassName("validate-alpha");
    	$("last_name_error").addClassName("validate-alpha");
    	$("address1_street1_error").addClassName("required");
    	$("address1_zip_error").addClassName("validate-zip");
    	$("phone1_error").addClassName("validate-phone");
    	$("email1_error").addClassName("validate-email");
    	$("privacy_policy_error").addClassName("validate-checked");
    },

    /***************************************************************************************************
     *add event listeners for submit button, return key and custom onclick/onchange
     */
    initializeEvents : function(){
      Event.observe(document, "keypress", this.validateOnReturnKey.bindAsEventListener(this));
      Event.observe("submit", "click", this.validateFields.bindAsEventListener(this));
    },

    /***************************************************************************************************
     *show/add functions
     *takes hidden row, element and validation to apply/remove
     */
    showAddValidations: function(name, element, validation_name){
      var name = String(name);
      $$(name).each(function(element){ element.show(); });
      $(element.id).addClassName(validation_name);
    },

    hideRemoveValidations: function(name, element, validation_name){
      var name = String(name);
      $$(name).each(function(element){ element.hide(); });
      $(element.id).hide();
      $(element.id).removeClassName(validation_name);
    },
    
    validateFields: function(e){
      this.form_elements	= $$(".error");
      var form      			= new Validator(this.form_elements);
      this.is_valid 			= form.isFormValid();
      
      if(!this.is_valid) Event.stop(e);
    },

    validateOnReturnKey: function(e){
      if(e.keyCode == Event.KEY_RETURN){
        this.validateFields(e);
        Event.stop(e);
      }
    },
    
    getErrorElements: function(){
			return $$("error");
    },

    /***************************************************************************************************
     *Custom functions
     */

    showTakesMedications : function(){
      if($("takes_medications_1").checked){
        this.showAddValidations("#insured1_current_medications_detail_row",$("insured1_current_medications_detail_error"),"required");
      }else{
        this.hideRemoveValidations("#insured1_current_medications_detail_row",$("insured1_current_medications_detail_error"),"required");
        $("insured1_current_medications_detail").clear();
      }
    },

    showPreExisting : function(){
      if($("pre_existing_1").checked){
        $("pre_existing_conditions_row").show();
      }else{
        $("pre_existing_conditions_row").hide();
        var PECs = Form.getElements($("pre_existing_conditions_row"));
        PECs.each(function(e){ return (e.checked = false); });
      }
    },

    showExistingCarrier : function(){
      ($("has_existing_carrier_1").checked) ? this.showAddValidations("#existing_carrier_row",$("existing_carrier_error"),"required") : this.hideRemoveValidations("#existing_carrier_row",$("existing_carrier_error"),"required");
    },

    spouseValidation : function(){
      if($("gender2").value != ""    || $("dob2_mm_on").value != ""   ||
        $("dob2_dd_on").value != "" || $("dob2_yyyy_on").value != "" ||
        $("insured2_height_feet").value != "" || $("insured2_height_inches").value != "" ||
        $("insured2_weight").value != "" || $("is_smoker2_1").checked || $("is_student2_1").checked){
        $("gender2_error").addClassName("required");
        $("dob2_on_error").addClassName("validate-dob");
        $("insured2_height_error").addClassName("validate-height");
        $("insured2_weight_error").addClassName("validate-weight");
      }else{
        $("gender2_error").removeClassName("required");
        $("dob2_on_error").removeClassName("validate-dob");
        $("insured2_height_error").removeClassName("validate-height");
        $("insured2_weight_error").removeClassName("validate-weight");
        clearErrorMessage("gender2_error");
        clearErrorMessage("dob2_on_error");
        clearErrorMessage("insured2_height_error");
        clearErrorMessage("insured2_weight_error");
        $("dob2_mm_on").clear();
        $("dob2_dd_on").clear();
        $("dob2_yyyy_on").clear();
        $("insured2_height_feet").clear();
        $("insured2_height_inches").clear();
        $("insured2_weight").clear();
      }
    }
  }

  function showChildren(el) {
    var num_children = $F(el);

		//(num_children%2) ? switchHealthInfoStripes(true) : switchHealthInfoStripes(false);

    if($("help_text") != undefined){
      (num_children > 0) ? $("help_text").show() : $("help_text").hide();
    }

    for (var i = 0;i <= 4; i++) {
      var id      = "child_option" + i;
      var insured = i + 3;

      if ( i < num_children ) {
        $(id).show();
        changeValidationForInsured(insured, true);
      } else {
        $(id).hide();
        $("gender" + insured).value = "";
        changeValidationForInsured(insured, false);
      }
    }
  }

  function changeValidationForInsured(insured, add_validations) {
    var id      = "gender" + insured;
    var gender  = $F(id);

    if ( add_validations ) {
      $(id + "_error").addClassName("required");
      $("insured" + insured + "_height_error").addClassName("validate-height");
      $("insured" + insured + "_weight_error").addClassName("validate-weight");
      $("dob" + insured + "_on_error").addClassName("validate-child-dob");
    } else {
      $(id).clear();
      $("insured" + insured + "_height_feet").clear();
      $("insured" + insured + "_height_inches").clear();
      $("insured" + insured + "_weight").clear();
      $("dob" + insured + "_mm_on").clear();
      $("dob" + insured + "_dd_on").clear();
      $("dob" + insured + "_yyyy_on").clear();
      $(id + "_error").removeClassName("required");
      $("insured" + insured + "_height_error").removeClassName("validate-height");
      $("insured" + insured + "_weight_error").removeClassName("validate-weight");
      $("dob" + insured + "_on_error").removeClassName("validate-child-dob");
      $(id + "_error").hide();
      $("insured" + insured + "_height_error").hide();
      $("insured" + insured + "_weight_error").hide();
      $("dob" + insured + "_on_error").hide();
    }
  }

  function isAnyChecked(parent_id){
    var is_valid  = true;
    is_valid      =  Form.getElements($(parent_id)).any(function(e){ return (e.checked); });
    if(!is_valid){
      $("pre_existing_conditions_error").addClassName("error");
    }else{
      $("pre_existing_conditions_error").removeClassName("error");
    }
    return is_valid
  }

  if (!(BrowserDetect.browser == "Explorer" && BrowserDetect.version < 6)) {
		FastInit.addOnLoad(function() {
			var health_form = new HealthForm();
		});
  }