/*
  -------------------------------------------------------------------------
	                    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 AlertaCampo(Campo, tipo)
{
	var cor = "";
	if(tipo == 'alerta')
		cor = "#FF0000";
	else
		cor = "#CCCCCC";
	Campo.style.color = cor;
		
/*	Campo.style.borderBottom = "1px solid " + cor;
	Campo.style.borderTop 	 = "1px solid " + cor;
	Campo.style.borderRight  = "1px solid " + cor;
	Campo.style.borderLeft 	 = "1px solid " + cor;*/
}

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 + " : Campo é obrigatório!";
//              alert(strError); 
 			   AlertaCampo(objValue, 'alerta')
              return false; 
           }//if 
		   AlertaCampo(objValue, 'limpa')
           break;             
         }//case required 
        case "maxlength": 
        case "maxlen": 
          { 
             if(eval(objValue.value.length) >  eval(cmdvalue)) 
             { 
               if(!strError || strError.length ==0) 
               { 
                 strError = objValue.name + " : "+cmdvalue+" máximo de caracteres ";
               }//if 
               //alert(strError + "\n[Total atual = " + objValue.value.length + " ]");
   			   AlertaCampo(objValue, 'alerta')
			   return false; 
             }//if 
		     AlertaCampo(objValue, 'limpa')
             break; 
          }//case maxlen 
        case "minlength": 
        case "minlen": 
           { 
             if(eval(objValue.value.length) <  eval(cmdvalue)) 
             { 
               if(!strError || strError.length ==0) 
                 strError = objValue.name + " : " + cmdvalue + " mínimo de caracteres";
               //alert(strError + "\n[Total atual = " + objValue.value.length + " ]");
			   AlertaCampo(objValue, 'alerta')
			   return false;
             }//if 
			AlertaCampo(objValue, 'limpa')
			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+": Apenas caracteres alfa-numéricos são permitidos!";
                //alert(strError + "\n [Erro com caracter na posição = " + eval(charpos+1)+"]");
			   AlertaCampo(objValue, 'alerta')
			   return false;
             }//if 
			AlertaCampo(objValue, 'limpa')
			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+": Apenas caracteres númericos são permitidos!";
                }//if               
               // alert(strError + "\n [Erro com caracter na posição = " + eval(charpos+1)+"]");
			   AlertaCampo(objValue, 'alerta')
			   return false;
             }//if 
			AlertaCampo(objValue, 'limpa')
			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+": Apenas caracteres alfas são permitidos!";
			   AlertaCampo(objValue, 'alerta')
			   return false;
             }//if 
			AlertaCampo(objValue, 'limpa')
			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+": caracteres permitidos: A-Z,a-z,0-9,- and _";
                }//if                             
			   AlertaCampo(objValue, 'alerta')
			   return false;
             }//if 
			AlertaCampo(objValue, 'limpa')
			break; 
			}
        case "email":
          {
               if(!validateEmailv2(objValue.value))
               {
                 if(!strError || strError.length ==0)
                 {
//                    strError = objValue.name+": Entre com um endereço de e-mail válido!";
                 }//if
//                 alert(strError);
				AlertaCampo(objValue, 'alerta')
                 return false;
               }//if
 			   AlertaCampo(objValue, 'limpa')
           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 + " : o valor deve ser menor que "+ cmdvalue;
              }//if               
			   AlertaCampo(objValue, 'alerta')
			   return false;
             }//if 
			AlertaCampo(objValue, 'limpa')
			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 + " : o valor deve ser maior que "+ cmdvalue;
               }//if               
			   AlertaCampo(objValue, 'alerta')
			   return false;
             }//if 
			AlertaCampo(objValue, 'limpa')
			break; 
         }//case greaterthan 
        case "regexp": 
         { 
		 	if(objValue.value.length > 0)
			{
	            if(!objValue.value.match(cmdvalue)) 
	            { 
	              if(!strError || strError.length ==0) 
	              {
	                strError = objValue.name+": Caracter inválido!";
	              }//if                                                               
				   AlertaCampo(objValue, 'alerta')
	              return false;                   
	            }//if 
			}
			AlertaCampo(objValue, 'limpa');
           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+": Por favor selecione uma opção!"; 
              }//if                                                               
			   AlertaCampo(objValue, 'alerta')
			   return false;
             }//if 
			AlertaCampo(objValue, 'limpa')
			break; 
         }//case dontselect 
		 case "date":
		 {
		 	if(objValue.value.length > 0)
			{
				var array			= objValue.value.split("/");
				var dia1			= array[0];
				var mes1			= array[1];
				var ano1			= array[2];
				var datadigitada	= new Date(ano1,(mes1-1),dia1);
				var diaqq			= parseInt(datadigitada.getDate());
				var mesqq			= parseInt(datadigitada.getMonth())+1;
				if((dia1!=diaqq) || (mes1!=mesqq))
				{
					   AlertaCampo(objValue, 'alerta')
			   			return false;
				}
             }//if 
			AlertaCampo(objValue, 'limpa')
			break; 
		 }
		 case "cpf":
		 {
			 //primeiro eu limpo a formatação do valor
			var strCheck = '0123456789';
			var j = s = '';
			for(j = 0; j < objValue.value.length; j++)
				if (strCheck.indexOf(objValue.value.charAt(j))!=-1)
					s += objValue.value.charAt(j);
			//valdiação			 
			var i;
			var c = s.substr(0,9);
			var dv = s.substr(9,2);
			var d1 = 0;
			for (i = 0; i < 9; i++)
				d1 += c.charAt(i)*(10-i);
			if (d1 == 0){
			   AlertaCampo(objValue, 'alerta')
				return false;
			}
			d1 = 11 - (d1 % 11);
			if (d1 > 9) d1 = 0;
			if (dv.charAt(0) != d1)
			{
			   AlertaCampo(objValue, 'alerta')
				return false;
			}
			
			d1 *= 2;
			for (i = 0; i < 9; i++)
				d1 += c.charAt(i)*(11-i);
			d1 = 11 - (d1 % 11);
			if (d1 > 9) d1 = 0;
			if (dv.charAt(1) != d1)
			{
 			    AlertaCampo(objValue, 'alerta')
				return false;
			}
			break;
		    AlertaCampo(objValue, 'limpa')
		  }
    }//switch 
    return true; 
}
/*
	Copyright 2003 JavaScript-coder.com. All rights reserved.
*/