/*
  -------------------------------------------------------------------------
	                    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.validarCampos=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(camposValidar)
{
	if(!camposValidar || camposValidar==''){
		alert('No hay indicacion de campos a validar');
		return false;
	} else {
		//alert('dentro de submit_handler');
		var aryCamposValidar = camposValidar.split('|');
		for(var itr=0;itr < this.formobj.elements.length;itr++)
		{
			if ( existeEn(this.formobj.elements[itr].name, aryCamposValidar) ) // CORGOM
			{
				if(this.formobj.elements[itr].validationset && !this.formobj.elements[itr].validationset.validate())
				{
				  return false;
				}
			}// else { alert ('no existe elemento'); }
		}
		if(this.formobj.addnlvalidation)
		{
		  str =" var ret = "+this.formobj.addnlvalidation+"()";
		  eval(str);
		if(!ret) return ret;
		}
		return true;
	}
}
//CORGOM
function existeEn(elemento, arreglo){
	for(var i=0; i<arreglo.length; i++){
		if(elemento==arreglo[i]) return true;
	}
	return false;
} //function existeEn
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.id + ": 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.id + ": "+cmdvalue+" caracteres maximo "; 
               }//if 
               alert(strError + "\n[Longitud 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.id + ": " + cmdvalue + " caracteres minimo  "; 
               }//if               
               alert(strError + "\n[Longitud 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.id+": Solo caracteres alfanumericos son permitidos "; 
                }//if 
                alert(strError + "\n [Posicion del caracter con error " + 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.id+": Solo digitos son permitidos "; 
                }//if               
                alert(strError + "\n [Posicion del caracter con error " + 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.id+": Solo caracteres alfabeticos son permitidos "; 
                }//if                             
                alert(strError + "\n [Posicion del caracter con error " + eval(charpos+1)+"]"); 
                return false; 
              }//if 
              break; 
           }//alpha 
		case "alnumhyphen":
			{
              var charpos = objValue.value.search("[^A-Za-z0-9\-áéíóúÁÉÍÓÚñÑ,.:¡!¿?()/_ ]"); 
              if(objValue.value.length > 0 &&  charpos >= 0) 
              { 
                  if(!strError || strError.length ==0) 
                { 
                  strError = objValue.id+": Caracteres permitidos son A-Z,a-z,0-9,-,á,é,í,ó,ú,Á,É,Í,Ó,Ú,ñ,Ñ,(coma),.,:,¡,!,¿,?,(,),/,_ y espacio blanco"; 
                }//if                             
                alert(strError + "\n [Posicion del caracter con error " + eval(charpos+1)+"]"); 
                return false; 
              }//if 			
			break;
			}
        case "email": 
          { 
               if(!validateEmailv2(objValue.value)) 
               { 
                 if(!strError || strError.length ==0) 
                 { 
                    strError = objValue.id+": Introduce dirección de correo valido "; 
                 }//if                                               
                 alert(strError); 
                 return false; 
               }//if 
           break; 
          }//case email 
        case "lt": 
        case "lessthan": 
         { 
            if(isNaN(objValue.value)) 
            { 
              alert(objValue.id+": Deberia ser un numero "); 
              return false; 
            }//if 
            if(eval(objValue.value) >=  eval(cmdvalue)) 
            { 
              if(!strError || strError.length ==0) 
              { 
                strError = objValue.id + ": Valor debe ser menos que "+ cmdvalue; 
              }//if               
              alert(strError); 
              return false;                 
             }//if             
            break; 
         }//case lessthan 
        case "gt": 
        case "greaterthan": 
         { 
            if(isNaN(objValue.value)) 
            { 
              alert(objValue.id+": Deberia ser un numero "); 
              return false; 
            }//if 
             if(eval(objValue.value) <=  eval(cmdvalue)) 
             { 
               if(!strError || strError.length ==0) 
               { 
                 strError = objValue.id + ": Valor debe ser mas grande 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.id+": Caracteres invalidos encontrados "; 
	              }//if                                                               
	              alert(strError); 
	              return false;                   
	            }//if 
			}
           break; 
         }//case regexp 
        case "dontselect": 
         { 
            if(objValue.selectedIndex == null) 
            { 
              alert("ERROR: comando dontselect para un elementos de no-seleccion"); 
              return false; 
            } 
            if(objValue.selectedIndex == eval(cmdvalue)) 
            { 
             if(!strError || strError.length ==0) 
              { 
              strError = objValue.id+": Selecciona una opcion "; 
              }//if                                                               
              alert(strError); 
              return false;                                   
             } 
             break; 
         }//case dontselect
		case "fecha":
		 {
			// "formato" se refiere al orden en el que aparecen los elementos de la fecha, hay dos tipos:
			//    DMA -> Dia/Mes/Año
			// y  MDA -> Mes/Dia/Año
			
			// strSeparador depende del formato de fecha, comunmente será "/"
			var aryFecha,intMes,intDia,intAnno;
			var sMes,sDia,sAnno;
			var formato='DMA';
			var strSeparador='/';
			
			if( objValue.value.length!=0 ) {
				aryFecha = (objValue.value).split(strSeparador);
				if ( aryFecha.length != 3) {
					alert(objValue.id+": Revisar los separadores de fecha. El formato de fecha es: DD/MM/AAAA (Día/Mes/Año)");
					return false;
				}
				else
				{
					if ( isNaN(aryFecha[0]) || isNaN(aryFecha[1]) || isNaN(aryFecha[2]) ) {
						alert(objValue.id+": Alguno de los valores de la fecha no es numerico.");
						return false;
					}
					else {
						aDiasPorMes = "31,28,31,30,31,30,31,31,30,31,30,31".split(",");
						if ( formato == "DMA" ) {
							intDia  = Number(aryFecha[0]);
							intMes  = Number(aryFecha[1]);
							intAnno = Number(aryFecha[2]);
						}else {
							if ( formato == "MDA" ) {
								intMes  = Number(aryFecha[0]);
								intDia  = Number(aryFecha[1]);
								intAnno = Number(aryFecha[2]);
							}
						}
						//verificar en que rango esta, para hacer la conversion correspondiente:
						//		para fechas de 2000 a 2020 el usuario puede introducir:
						//			[00-20] o [2000-2020]
						//		para fechas de 1950 a 1999:
						//			[50-99] o [1950 a 1999]
						if (intAnno>=0 && intAnno<=20) {
								intAnno = intAnno + 2000;
						} else {
							if (intAnno>=50 && intAnno<=99) {
								intAnno = intAnno + 1900;
							}
						}
							
						if (intAnno%4==0) {
							//por ser año bisiesto, sumar 1 al mes de febrero
							aDiasPorMes[1] = '29';
						}
			
						if (intDia>0 && intDia<=aDiasPorMes[intMes-1] && intMes>0 && intMes<13 && intAnno>1949 && intAnno<2021) {
							//retorna cadena de fecha con formato de fecha completa
							sDia = intDia.toString();
							sMes = intMes.toString();
							sAnno = intAnno.toString();
							
							if (sDia.length == 1) {
								sDia = '0'.concat(sDia);
							}
							
							if (sMes.length == 1) {
								sMes = '0'.concat(sMes);
							}
			
							if (formato == "DMA") {
								objValue.value = sDia.concat("/",sMes,"/",sAnno);
								//return true;
							} else {
								if (formato == "MDA") {
									objValue.value = sMes.concat("/",sDia,"/",sAnno);
									//return true;
								}
							}
							
						} else {
							alert(objValue.id+": La fecha no es válida. El formato de fecha es: DD/MM/AAAA (Día/Mes/Año)");
							return false;
						}			
					}
				} // if
			}
		 	break;
		 } // case fecha
    }//switch 
    return true; 
}
/*
	Copyright 2003 JavaScript-coder.com. All rights reserved.
*/