// Copyright (C) 2006 Aaron Merriman. All rights reserved.

function focused(obj)
 {
 if (obj.value == obj.defaultValue)
  {
  obj.value = "";
  }
 }

function blurred(obj)
 {
 if (obj.value == "")
  {
  obj.value = obj.defaultValue;
  }
 }

function Validator(frmname)
 {
  this.formobj=document.forms[frmname];
    if(!this.formobj)
    {
      alert("Could not get form object "+frmname+".\nPlease notify Network Computer Pros site administrator.");
        return;
    }
    if(this.formobj.onsubmit)
    {
     this.formobj.old_onsubmit = this.formobj.onsubmit;
     this.formobj.onsubmit=null;
    }
    else
    {
     this.formobj.old_onsubmit = null;
    }
    this.formobj.onsubmit=form_submit_handler;
    this.addValidation = add_validation;
    this.setAddnlValidationFunction=set_addnl_vfunction;
    this.clearAllValidations = clear_all_validations;
}

function set_addnl_vfunction(functionname)
 {
  this.formobj.addnlvalidation = functionname;
 }

function clear_all_validations()
 {
    for(var itr=0;itr < this.formobj.elements.length;itr++)
    {
        this.formobj.elements[itr].validationset = null;
    }
 }

function form_submit_handler()
 {
    for(var itr=0;itr < this.elements.length;itr++)
    {
        if(this.elements[itr].validationset &&
       !this.elements[itr].validationset.validate())
        {
          return false;
        }
    }
    if(this.addnlvalidation)
    {
      str =" var ret = "+this.addnlvalidation+"()";
      eval(str);
    if(!ret) return ret;
    }
    return true;
 }

function add_validation(itemname,descriptor,errstr)
 {
  if(!this.formobj)
    {
      alert("Form object not set properly.\nPlease notify Network Computer Pros site administrator.");
        return;
    }//if
    var itemobj = this.formobj[itemname];
  if(!itemobj)
    {
      alert("Invalid input object "+itemname+".\nPlease notify Network Computer Pros site administrator.");
        return;
    }
    if(!itemobj.validationset)
    {
      itemobj.validationset = new ValidationSet(itemobj);
    }
  itemobj.validationset.add(descriptor,errstr);
 }

function ValidationDesc(inputitem,desc,error)
 {
  this.desc=desc;
    this.error=error;
    this.itemobj = inputitem;
    this.validate=vdesc_validate;
 }

function vdesc_validate()
 {
 if(!V2validateData(this.desc,this.itemobj,this.error))
 {
    this.itemobj.focus();
        return false;
 }
 return true;
 }

function ValidationSet(inputitem)
 {
    this.vSet=new Array();
    this.add= add_validationdesc;
    this.validate= vset_validate;
    this.itemobj = inputitem;
 }

function add_validationdesc(desc,error)
 {
  this.vSet[this.vSet.length]=
      new ValidationDesc(this.itemobj,desc,error);
 }

function vset_validate()
 {
   for(var itr=0;itr<this.vSet.length;itr++)
     {
       if(!this.vSet[itr].validate())
         {
           return false;
         }
     }
     return true;
 }

function validateEmailv2(email)
 {
    if(email.length <= 0)
    {
      return true;
    }
    var splitted = email.match("^(.+)@(.+)$");
    if(splitted == null) return false;
    if(splitted[1] != null )
    {
      var regexp_user=/^\"?[\w-_\.]*\"?$/;
      if(splitted[1].match(regexp_user) == null) return false;
    }
    if(splitted[2] != null)
    {
      var regexp_domain=/^[\w-\.]*\.[A-Za-z]{2,4}$/;
      if(splitted[2].match(regexp_domain) == null)
      {
        var regexp_ip =/^\[\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}\]$/;
        if(splitted[2].match(regexp_ip) == null) return false;
      }// if
      return true;
    }
 return false;
 }

function V2validateData(strValidateStr,objValue,strError)
 {
    var epos = strValidateStr.search("=");
    var  command  = "";
    var  cmdvalue = "";
    if(epos >= 0)
    {
     command  = strValidateStr.substring(0,epos);
     cmdvalue = strValidateStr.substr(epos+1);
    }
    else
    {
     command = strValidateStr;
    }
    switch(command)
    {
        case "req":
         {
           if(eval(objValue.value.length) == 0)
           {
              if(!strError || strError.length ==0)
              {
                strError = objValue.name + ": Required Field.";
              }//if
              alert(strError);
              return false;
           }//if
           break;
         }//case required
        case "required":
         {
           if(eval(objValue.value.length) == 0)
           {
              if(!strError || strError.length ==0)
              {
                strError = objValue.name + ": Required Field.";
              }//if
              alert(strError);
              return false;
           }//if
           break;
         }//case required
        case "maxlength":
        case "maxlen":
          {
             if(eval(objValue.value.length) >  eval(cmdvalue))
             {
               if(!strError || strError.length ==0)
               {
                 strError = objValue.name + ": "+cmdvalue+" characters maximum.";
               }//if
               alert(strError + "\n[Current length = " + objValue.value.length + " ]");
               return false;
             }//if
             break;
          }//case maxlen
        case "minlength":
        case "minlen":
           {
             if(eval(objValue.value.length) <  eval(cmdvalue))
             {
               if(!strError || strError.length ==0)
               {
                 strError = objValue.name + ": " + cmdvalue + " characters minimum.";
               }//if
               alert(strError + "\n[Current length = " + objValue.value.length + " ]");
               return false;
             }//if
             break;
            }//case minlen
        case "alnum":
        case "alphanumeric":
           {
              var charpos = objValue.value.search("[^A-Za-z0-9]");
              if(objValue.value.length > 0 &&  charpos >= 0)
              {
               if(!strError || strError.length ==0)
                {
                  strError = objValue.name+": Only alpha-numeric characters allowed.";
                }//if
                alert(strError + "\n [Error character position " + eval(charpos+1)+"]");
                return false;
              }//if
              break;
           }//case alphanumeric
        case "num":
        case "numeric":
           {
              var charpos = objValue.value.search("[^0-9]");
              if(objValue.value.length > 0 &&  charpos >= 0)
              {
                if(!strError || strError.length ==0)
                {
                  strError = "Please enter a valid phone number.";
                }//if
                alert(strError);
                return false;
              }//if
              break;
           }//numeric
        case "zip":
           {
              var charpos = objValue.value.search("[^0-9]");
              if(objValue.value.length > 0 &&  charpos >= 0)
              {
                if(!strError || strError.length ==0)
                {
                  strError = "Please enter a valid ZIP code.";
                }//if
                alert(strError);
                return false;
              }//if
              break;
           }//numeric
        case "amount":
           {
             if (objValue.value < 1)
              {
               strError = "Please enter a payment amount of at least $1.00.";
               alert(strError);
               return false;
              }
             else break;
           }
        case "phone":
           {
              var charpos = objValue.value.search("[^0-9\-.()]");
              if(objValue.value.length > 0 &&  charpos >= 0)
              {
                if(!strError || strError.length ==0)
                {
                  strError = "Please enter a valid phone number.";
                }//if
                alert(strError);
                return false;
              }//if
              break;
           }//numeric
        case "alphabetic":
        case "alpha":
           {
              var charpos = objValue.value.search("[^A-Za-z]");
              if(objValue.value.length > 0 &&  charpos >= 0)
              {
                  if(!strError || strError.length ==0)
                {
                  strError = objValue.name+": Only alphabetic characters allowed.";
                }//if
                //alert(strError + "\n [Error character position " + eval(charpos+1)+"]");
                return false;
              }//if
              break;
           }//alpha
        case "firstname":
           {
              var charpos = objValue.value.search("[^A-Za-z]");
              if(objValue.value.length > 0 &&  charpos >= 0)
              {
                  if(!strError || strError.length ==0)
                {
                  strError = "Please enter a valid first name.";
                alert(strError);
                }//if
                //alert(strError + "\n [Error character position " + eval(charpos+1)+"]");
                return false;
              }//if
              break;
           }//alpha
        case "lastname":
           {
              var charpos = objValue.value.search("[^A-Za-z]");
              if(objValue.value.length > 0 &&  charpos >= 0)
              {
                  if(!strError || strError.length ==0)
                {
                  strError = "Please enter a valid last name.";
                alert(strError);
                }//if
                //alert(strError);
                return false;
              }//if
              break;
           }//alpha
        case "alnumhyphen":
            {
              var charpos = objValue.value.search("[^A-Za-z0-9\-_]");
              if(objValue.value.length > 0 &&  charpos >= 0)
              {
                  if(!strError || strError.length ==0)
                {
                  strError = objValue.name+": Characters permitted are A-Z,a-z,0-9,- and _";
                }//if
                //alert(strError + "\n [Error character position " + eval(charpos+1)+"]");
                return false;
              }//if
            break;
            }
        case "email":
          {
               if(!validateEmailv2(objValue.value))
               {
                 if(!strError || strError.length ==0)
                 {
                    strError = "Please enter a valid email address.";
                   alert(strError);
                 }//if
                 return false;
               }//if
           break;
          }//case email
        case "lt":
        case "lessthan":
         {
            if(isNaN(objValue.value))
            {
              alert(objValue.name+": Should be a number ");
              return false;
            }//if
            if(eval(objValue.value) >=  eval(cmdvalue))
            {
              if(!strError || strError.length ==0)
              {
                strError = objValue.name + ": Value should be less than "+ cmdvalue;
              }//if
              alert(strError);
              return false;
             }//if
            break;
         }//case lessthan
        case "gt":
        case "greaterthan":
         {
            if(isNaN(objValue.value))
            {
              alert(objValue.name+": Should be a numeric.");
              return false;
            }//if
             if(eval(objValue.value) <=  eval(cmdvalue))
             {
               if(!strError || strError.length ==0)
               {
                 strError = objValue.name + ": Value should be greater than "+ cmdvalue;
               }//if
               alert(strError);
               return false;
             }//if
            break;
         }//case greaterthan
        case "regexp":
         {
            if(objValue.value.length > 0)
            {
                if(!objValue.value.match(cmdvalue))
                {
                  if(!strError || strError.length ==0)
                  {
                    strError = objValue.name+": Contains invalid characters.";
                  }//if
                  alert(strError);
                  return false;
                }//if
            }
           break;
         }//case regexp
        case "dontselect":
         {
            if(objValue.selectedIndex == null)
            {
              alert("Non-select item syntax error.\nPlease notify Network Computer Pros site administrator.");
              return false;
            }
            if(objValue.selectedIndex == eval(cmdvalue))
            {
             if(!strError || strError.length ==0)
              {
              strError = objValue.name+": Please select one option.";
              }//if
              alert(strError);
              return false;
             }
             break;
         }//case dontselect
        case "url":
           {
              var charpos = objValue.value.search("[^A-Za-z0-9\-#.:/]");
              if(objValue.value.length > 0 &&  charpos >= 0)
              {
               if(!strError || strError.length ==0)
                {
                  strError = objValue.name+": Only alpha-numeric characters permitted.";
                }//if
                alert(strError);
                return false;
              }//if
              break;
           }//case alphanumeric
    }//switch
    return true;
 }