/*
  -------------------------------------------------------------------------
                     JavaScript Form Validator 
                                Version 2.0.2
 Copyright 2003 JavaScript-coder.com. All rights reserved.
 
--- Code changed, see comments (by Ewald Peiszer, dmc01) ---
 
 You use this script in your Web pages, provided these opening credit
    lines are kept intact.
 The Form validation script is distributed free from JavaScript-Coder.com
 You may please add a link to JavaScript-Coder.com, 
 making it easy for others to find this script.
 Checkout the Give a link and Get a link page:
 http://www.javascript-coder.com/links/how-to-link.php
    You may not reprint or redistribute this code without permission from 
    JavaScript-Coder.com.
 
 JavaScript Coder
 It precisely codes what you imagine!
 Grab your copy here:
  http://www.javascript-coder.com/
    -------------------------------------------------------------------------  
*/

/*   Global variable s_marking_color contains the color as String */
// Edit: additional parameters: p-tag to be made visible
//       defines global var s_marking_color as "red"

var errorMsgTag;
var normalBorderColor="#b4bec2";

function Validator(frmname, s_p_message)
{
  this.formobj=document.forms[frmname];
 if(!this.formobj)
 {
   alert("BUG: couldnot get Form object "+frmname);
  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;
 this.formobj.p_message = document.getElementById(s_p_message);
 errorMsgTag=this.formobj.p_message; 
 s_marking_color= "#f00000";
}


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;
 }
}
// changed by Ewald Peiszer, dmc01
// Now, all validations are checked subsequentially
function form_submit_handler()
{
 var b = true;
 for(var itr=this.elements.length-1;itr >= 0;itr--)
 {
  if(this.elements[itr].validationset &&
    !this.elements[itr].validationset.validate())
  {
    b = false;
  }
 }
 if(this.addnlvalidation)
 {
   str =" var ret = "+this.addnlvalidation+"()";
   eval(str);
    if(!ret) return ret;
 }
 // If there is something wrong with the input data, make the message visible
//  if (!b && this.p_message) this.p_message.style.visibility = "visible";
// -- Edit Ewald Peiszer

//alert(b);
//alert(this.p_message);

  if (!b && this.p_message) this.p_message.style.display = "block";

 return b;
}


// Edited by Ewald Peiszer:
// Add. parameter: name of label-tag
function add_validation(itemname,labelname,descriptor,errstr)
{
  if(!this.formobj)
 {
   alert("BUG: the form object is not set properly");
  return;
 }//if
 var itemobj = this.formobj[itemname];

 //added by phil, hide errormsg when user edits the input
 //itemobj.onfocus=function(){this.style.borderColor=normalBorderColor; errorMsgTag.style.display = "none";}
 itemobj.onfocus=function(){
    this.style.borderColor=""; 
    this.style.borderWidth="";
    this.style.borderStyle="";
    errorMsgTag.style.display = "none";
 }
 
 if(!itemobj)
 {
   alert("BUG: Couldnot get the input object named: "+itemname);
  return;
 }
 if(!itemobj.validationset)
 {
   itemobj.validationset = new ValidationSet(itemobj);
 }
  itemobj.validationset.add(labelname, descriptor,errstr);
}


// Edited by Ewald Peiszer:
// Add. parameter: name of label-tag
function ValidationDesc(inputitem,labelname,desc,error)
{
  this.desc=desc;
  this.error=error;
  this.itemobj = inputitem;
  this.labelname = labelname;
  this.validate=vdesc_validate;
}


// Edited by Ewald Peiszer:
// Not-valid inputfield gets different bordercolor. Adjoint label gehts different color
function vdesc_validate()
{
 if(!V2validateData(this.desc,this.itemobj,this.error))
 {
    //this.itemobj.focus();
 // Label färben
 if (this.labelname != '') document.getElementById(this.labelname).style.color = s_marking_color;
 // Eingabefeld-Rahmen färben

 this.itemobj.style.borderWidth="1px";
 this.itemobj.style.borderStyle="solid";
 this.itemobj.style.borderColor = s_marking_color;
 
  return false;
 }
 // Label und Eingabefeld wieder normal färben
 if (this.labelname != '') document.getElementById(this.labelname).style.color="";
 
     this.itemobj.style.borderColor=""; 
     this.itemobj.style.borderWidth="";
     this.itemobj.style.borderStyle="";

     return true;
}


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


// Edited by Ewald Peiszer:
// Add. parameter: name of label-tag
function add_validationdesc(labelname,desc,error)
{
  this.vSet[this.vSet.length]= 
   new ValidationDesc(this.itemobj,labelname,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)
{
// a very simple email validation checking. 
// you can add more complex email checking if it helps 
    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;
}


// Edited by Ewald Peiszer:
// no alert()!

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": 
        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 = objValue.name+": Only digits allowed "; 
                }//if               
                //alert(strError + "\n [Error character position " + eval(charpos+1)+"]"); 
                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 "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 allowed 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 = objValue.name+": Enter a valid Email address "; 
                 }//if                                               
                 //alert(strError); 
                 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 number "); 
              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+": Invalid characters found "; 
               }//if                                                               
               //alert(strError); 
               return false;                   
             }//if 
   }
           break; 
         }//case regexp 
        case "dontselect": 
         { 
            if(objValue.selectedIndex == null) 
            { 
              alert("BUG: dontselect command for non-select Item"); 
              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 
    }//switch 
    return true; 
}
/*
 Copyright 2003 JavaScript-coder.com. All rights reserved.
*/