/*
 -------------------------------------------------------------------------
	  JavaScript Form Validator 
  Version 2.0.2
	Copyright 2003 JavaScript-coder.com. All rights reserved.
	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/
 ------------------------------------------------------------------------- 
*/
function Validator(frmname)
{
 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;
}
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("BUG: the form object is not set properly");
		return;
	}//if
	var itemobj = this.formobj[itemname];
 if(!itemobj)
	{
	 alert("BUG: Couldnot get the input object named: "+itemname);
		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)
{
// 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;
}
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 + " : Pflichtfeld"; 
  }//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+" Charaktere maximal "; 
 }//if 
 alert(strError + "\n[jetztige laenge = " + 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 + " Charaktere minimum "; 
 }//if 
 alert(strError + "\n[jetztige laenge = " + 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+": nur alphanumerische Charaktere zugelassen "; 
 }//if 
 alert(strError + "\n [Fehlerhaftes Charakter Position " + eval(charpos+1)+"]"); 
 return false; 
  }//if 
  break; 
  }//case alphanumeric 
 case "num": 
 case "numeric": 
  { 
  var charpos = objValue.value.search("[^0-9|/| |/t|(|)|-]"); 
  if(objValue.value.length > 0 && charpos >= 0) 
  { 
 if(!strError || strError.length ==0) 
 { 
 strError = objValue.name+": Nur Zahlen und Leerzeichen zugelassen "; 
 }//if 
 alert(strError + "\n [Fehlerhaftes Charakter Position " + eval(charpos+1)+"]"); 
 return false; 
  }//if 
  break; 
  }//numeric 
 case "alphabetic": 
 case "alpha": 
  { 
  var charpos = objValue.value.search("[^A-Za-zäüößÄÖÜ -.;~,]"); 
  if(objValue.value.length > 0 && charpos >= 0) 
  { 
 if(!strError || strError.length ==0) 
 { 
 strError = objValue.name+": Nur Alphabetische Zeichen zugelassen "; 
 }//if  
 alert(strError + "\n [Fehlerhaftes Charakter 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+": zugelassene Charaktere sind A-Z,a-z,0-9,- und _"; 
 }//if  
 alert(strError + "\n [Fehlerhaftes Charakter Position " + eval(charpos+1)+"]"); 
 return false; 
  }//if 			
			break;
			}
 case "email": 
 { 
 if(!validateEmailv2(objValue.value)) 
 { 
  if(!strError || strError.length ==0) 
  { 
  strError = objValue.name+": tragen Sie bitte eine gueltige E-Mail Adresse ein "; 
  }//if   
  alert(strError); 
  return false; 
 }//if 
  break; 
 }//case email 
 case "lt": 
 case "lessthan": 
 { 
 if(isNaN(objValue.value)) 
 { 
  alert(objValue.name+": Sollte eine Nummer sein "); 
  return false; 
 }//if 
 if(eval(objValue.value) >= eval(cmdvalue)) 
 { 
  if(!strError || strError.length ==0) 
  { 
 strError = objValue.name + " : Wert sollte kleiner als "+ cmdvalue; + " sein"
  }//if 
  alert(strError); 
  return false;  
 }//if 
 break; 
 }//case lessthan 
 case "gt": 
 case "greaterthan": 
 { 
 if(isNaN(objValue.value)) 
 { 
  alert(objValue.name+": Sollte eine Nummer sein "); 
  return false; 
 }//if 
 if(eval(objValue.value) <= eval(cmdvalue)) 
 { 
 if(!strError || strError.length ==0) 
 { 
  strError = objValue.name + " : Wert sollte groesser als "+ cmdvalue; + " sein"
 }//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+": Ungueltige Charaktere gefunden "; 
	  }//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+": Bitte waehlen Sie eine Option aus "; 
  }//if   
  alert(strError); 
  return false;   
 } 
 break; 
 }//case dontselect 
 }//switch 
 return true; 
}
/*
	Copyright 2003 JavaScript-coder.com. All rights reserved.
*/