/*
  -------------------------------------------------------------------------
	                    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/
    -------------------------------------------------------------------------  
	Traducido al español por: Edgar Espinoza
	-------------------------------------------------------------------------
	
*/
var posicion_error='';
function Validator(frmname)
{
  this.formobj=document.forms[frmname];
	if(!this.formobj)
	{
	  alert("BUG: No se puede obtener el objeto del formulario "+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: El formulario no está declarado apropiadamente");
		return;
	}//if
	var itemobj = this.formobj[itemname];
  if(!itemobj)
	{
	  alert("BUG: No se puede obtener el objeto : "+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;
}
//var charpos;
function vdesc_validate()
{
 if(!V2validateData(this.desc,this.itemobj,this.error))
 {
    this.itemobj.focus();
	//----- INICIO RESALTAR ERROR -----//
	x=this.itemobj;
    var txtRange = x.createTextRange();
    txtRange.moveStart( "character",posicion_error -1 );
    txtRange.moveEnd( "character", posicion_error-x.value.length );
    txtRange.select();
	//----- FIN RESALTAR ERROR -----//
	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 requerido"; 
              }//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 + " : Acepta "+cmdvalue+" caracteres como maximo "; 
               }//if 
               alert(strError + "\n[Tamaño actual = " + 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 + " : Acepta " + cmdvalue + " caracteres como mínimo"; 
               }//if               
               alert(strError + "\n[Tamaño actual = " + 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+": Solo admite caracteres alfanuméricos [A-Z][a-z][0-9]"; 
                }//if 
                alert(strError + "\n [Error en el caracter " + eval(charpos+1)+"]"); 
                return false; 
              }//if 
              break; 
           }//case alphanumeric 
        case "codigo": 
           { 
              var charpos = objValue.value.search("[^A-Za-z0-9_]"); 
              if(objValue.value.length > 0 &&  charpos >= 0) 
              { 
               if(!strError || strError.length ==0) 
                { 
                  strError = objValue.name+": Solo admite caracteres alfanuméricos [A-Z][a-z][0-9][_]"; 
                }//if 
                alert(strError + "\n [Error en el caracter " + eval(charpos+1)+"]"); 
                return false; 
              };//if 
			  charpos = objValue.value.search("[^A-Za-z0-9]"); 
              if(charpos == 0) {
			  	alert('El código ingresado no es válido. Debe comenzar con un caracter numérico o literal y no debe contener solo caracteres de barra baja [ _ ]');
				return false;
			  };
              break; 
           }//case codigo
	 case "alnum2": 
     case "alphanumeric2": 
           { 
              var charpos = objValue.value.search("[^A-Za-z0-9 ÑñÁáÉéÍíÓóÚú.,:;_@/*/¡/!/¿/?/(/)/>\n-\x0D-]"); //[\n-\x0D] matchs any of #10,#11,#12,#13.
              if(objValue.value.length > 0 &&  charpos >= 0) 
              { 
               if(!strError || strError.length ==0) 
                { 
                  strError = objValue.name+": Solo admite caracteres alfanuméricos"; 
                }//if 
				posicion_error=eval(charpos+1);
                alert(strError + "\n [Error en el caracter " + eval(charpos+1)+"]"); 
                return false; 
              }//if 
              break; 
           }//case alphanumeric 
 	 case "alnum3": 
     case "alphanumeric3": 
           { 
              var charpos = objValue.value.search("[^A-Za-z0-9 ÑñÁáÉéÍíÓóÚú.,:;_+-@#/*/\/¿/?/(/)/</>]"); 
              if(objValue.value.length > 0 &&  charpos >= 0) 
              { 
               if(!strError || strError.length ==0)
                { 
                  strError = objValue.name+": Solo admite caracteres alfanuméricos"; 
                }//if 
                alert(strError + "\n [Error en el caracter " + 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+": Solo admite caracteres numéricos"; 
                }//if               
 				posicion_error=eval(charpos+1);
               alert(strError + "\n [Error en el caracter " + eval(charpos+1)+"]"); 
                return false; 
              }//if 
              break;               
           }//numeric
       case "fl": 
        case "float": 
           { 
				var charpos = objValue.value.search("[^0-9.]"); 
				if(charpos>=0)
				{
					if(!strError || strError.length ==0) 
					{ 
					  strError = objValue.name+": Solo admite caracteres [0-9][.]"; 
					}//if               
					alert(strError + "\n [Error en el caracter " + eval(charpos+1)+"]"); 
					return false; 
				}
				else
			   {
					var num_divisores=0;
					var pos_error=0;
					for(i=0;i<objValue.value.length;i++)
					{
						if(objValue.value.charAt(i)==".")
						{
							num_divisores++;
						}
						if(num_divisores>=2)
						{
							pos_error=i;
							break;
						}
					}
					if(num_divisores<=1)//tiene un solo punto
					{

						var divisor = objValue.value.search("[.]"); 
						if(divisor>=0)
						{
							var entero  = objValue.value.substring(0,divisor); 
							var decimal = objValue.value.substr(divisor+1);
							
							if(entero.length <=0)
							{
								if(!strError || strError.length ==0) 
								{ 
								  strError = objValue.name+": La parte entera varia entre [0-infinito]"; 
								}//if               
								alert(strError + "\n La parte entera "+ entero +" no es valida"); 
								return false; 
							}
							if(decimal.length <=0)
							{
								if(!strError || strError.length ==0) 
								{ 
								  strError = objValue.name+": La parte decimal varia entre [0-infinito]"; 
								}//if               
								alert(strError + "\n La parte decimal "+ decimal +" no es valida"); 
								return false; 
							}
						}
					}
					else//tiene mas de un punto
					{
						if(!strError || strError.length ==0) 
						{ 
						  strError = objValue.name+": Solo se permite un unico divisor [.]"; 
						}//if               
						alert(strError + "\n [Error en el caracter " + eval(pos_error+1)+"]"); 
						return false; 
					}
			   }
              break;               
           }//case float
	   case "tiempo": 
           { 
                var noessim = objValue.value.search("[^0-9:]"); 
				if(noessim>=0)
				{
					if(!strError || strError.length ==0) 
					{ 
					  strError = objValue.name+": Solo admite caracteres [0-9][:]"; 
					}//if               
					alert(strError + "\n [Error en el caracter " + eval(noessim+1)+"]"); 
					return false; 
				}
				else
				{
	                var divisor = objValue.value.search(":"); 
					if(divisor<0)
					{
						if(!strError || strError.length ==0) 
						{ 
						  strError = objValue.name+": El formato de tiempo es [HH:mm:ss] (Los segundos son opcionales)"; 
						}//if               
						alert(strError + "\n Debe existir el divisor [:]"); 
						return false; 
					}
					else
					{
						var horas  = objValue.value.substring(0,divisor); 
						var minutos = objValue.value.substr(divisor+1);
						var segundos = "00";
						
						var divisor2 = minutos.search(":"); 
						if(divisor2>=0)
						{
							var aux=minutos;
							minutos = aux.substring(0,divisor2);
							segundos = aux.substr(divisor2+1);
						}
						
						if(horas.length >2 || horas >23)
						{
							if(!strError || strError.length ==0) 
							{ 
							  strError = objValue.name+": Las horas varian entre [00-23]"; 
							}//if               
							alert(strError + "\n La hora "+ horas +" no es valida"); 
							return false; 
						}
						if(minutos.length !=2 || minutos >59)
						{
							if(!strError || strError.length ==0) 
							{ 
							  strError = objValue.name+": Los minutos varian entre [00-59]"; 
							}//if               
							alert(strError + "\n El minuto "+ minutos +" no es valido"); 
							return false; 
						}
						if(segundos.length !=2 || segundos >59)
						{
							if(!strError || strError.length ==0) 
							{ 
							  strError = objValue.name+": Los segundos varian entre [00-59]"; 
							}//if               
							alert(strError + "\n El segundo "+ segundos +" no es valido"); 
							return false; 
						}
					}
				}
              break;               
           }//tiempo 
        case "ip": 
           { 
				var charpos = objValue.value.search("[^0-9.]"); 
				if(charpos>=0)
				{
					if(!strError || strError.length ==0) 
					{ 
					  strError = objValue.name+": Solo admite caracteres [0-9][.]"; 
					}//if               
					alert(strError + "\n [Error en el caracter " + eval(charpos+1)+"]"); 
					return false; 
				}
				else
			   {
					var num_divisores=0;
					var pos_divisores=new Array();
					var pos_error=0;
					var puntero=0;
					for(i=0;i<objValue.value.length;i++)
					{
						if(objValue.value.charAt(i)==".")
						{
							num_divisores++;
							pos_divisores[puntero]=i;
							puntero++;
							pos_error=i;
						}
					}
					if(num_divisores==3)//tiene los tres puntos
					{
						var num1 = objValue.value.substring(0,pos_divisores[0]); 
						var num2 = objValue.value.substring(pos_divisores[0]+1,pos_divisores[1]);
						var num3 = objValue.value.substring(pos_divisores[1]+1,pos_divisores[2]);
						var num4 = objValue.value.substr(pos_divisores[2]+1);
						
						if(num1.length >3 || num1.length <=0 || num1 >255)
						{
							if(!strError || strError.length ==0) 
							{ 
							  strError = objValue.name+": Los numeros varian entre [0-255]"; 
							}//if               
							alert(strError + "\n El numero "+ num1 +" no es valido"); 
							return false; 
						}
						if(num2.length >3 || num2.length <=0 || num2 >255)
						{
							if(!strError || strError.length ==0) 
							{ 
							  strError = objValue.name+": Los numeros varian entre [0-255]"; 
							}//if               
							alert(strError + "\n El numero "+ num2 +" no es valido"); 
							return false; 
						}
						if(num3.length >3 || num3.length <=0 || num3 >255)
						{
							if(!strError || strError.length ==0) 
							{ 
							  strError = objValue.name+": Los numeros varian entre [0-255]"; 
							}//if               
							alert(strError + "\n El numero "+ num3 +" no es valido"); 
							return false; 
						}
						if(num4.length >3 || num4.length <=0 || num4 >255)
						{
							if(!strError || strError.length ==0) 
							{ 
							  strError = objValue.name+": Los numeros varian entre [0-255]"; 
							}//if               
							alert(strError + "\n El numero "+ num4 +" no es valido"); 
							return false; 
						}
					}
					else//tiene diferente de 3 puntos
					{
						if(!strError || strError.length ==0) 
						{ 
						  strError = objValue.name+": La direccion debe contener tres divisores [.]"; 
						}//if               
						alert(strError + "\n [Error en el caracter " + eval(pos_error+1)+"]"); 
						return false; 
					}
			   }
              break;               
           }//case ip
		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+": Solo admite caracteres de texto [A-Z][a-z]"; 
                }//if                             
                alert(strError + "\n [Error en el caracter " + 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+": Solo admite los caracteres A-Z,a-z,0-9,- and _"; 
                }//if                             
                alert(strError + "\n [Error en el caracter " + eval(charpos+1)+"]"); 
                return false; 
              }//if 			
			break;
			}
        case "email": 
          { 
               if(!validateEmailv2(objValue.value)) 
               { 
                 if(!strError || strError.length ==0) 
                 { 
                    strError = objValue.name+": Ingrese una dirección de correo electrónica válida "; 
                 }//if                                               
                 alert(strError); 
                 return false; 
               }//if 
           break; 
          }//case email 
        case "lt": 
        case "lessthan": 
         { 
            if(isNaN(objValue.value)) 
            { 
              alert(objValue.name+": Debe ser un número"); 
              return false; 
            }//if 
            if(eval(objValue.value) >=  eval(cmdvalue)) 
            { 
              if(!strError || strError.length ==0) 
              { 
                strError = objValue.name + " : El valor deber ser menor que "+ cmdvalue; 
              }//if               
              alert(strError); 
              return false;                 
             }//if             
            break; 
         }//case lessthan 
        case "gt": 
        case "greaterthan": 
         { 
            if(isNaN(objValue.value)) 
            { 
              alert(objValue.name+": Debe ser un número "); 
              return false; 
            }//if 
             if(eval(objValue.value) <=  eval(cmdvalue)) 
             { 
               if(!strError || strError.length ==0) 
               { 
                 strError = objValue.name + " : El valor debe ser mayor que "+ 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+": Se encontraron caracteres no válidos "; 
	              }//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+": Por favor seleccione una opción "; 
              }//if                                                               
              alert(strError); 
              return false;                                   
             } 
             break; 
         }//case dontselect 
    }//switch 
    return true; 
}
function iguales(campo1,campo2)
{
	if(campo1.value!=campo2.value)
	{
		alert("La CONTRASEÑA y la CONFIRMACION de la CONTRASEÑA son diferentes");
		campo2.value='';
	}
}

/*
	Copyright 2003 JavaScript-coder.com. All rights reserved.
*/