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 + " : 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 "maiuscolo":
			{
              var charpos = objValue.value.search("[^A-Z]"); 
              if(objValue.value.length > 0 &&  charpos >= 0) 
              { 
                  if(!strError || strError.length ==0) 
                { 
                  strError = objValue.name+": characters allowed are A-Z"; 
                }//if                             
                alert(strError + "\n [Error character position " + eval(charpos+1)+"]"); 
                return false; 
              }//if 			
			break;
			}
		case "maiuscolo_piu_spazio":
			{
              var charpos = objValue.value.search("[^A-Z\' ']"); 
              if(objValue.value.length > 0 &&  charpos >= 0) 
              { 
                  if(!strError || strError.length ==0) 
                { 
                  strError = objValue.name+": characters allowed are A-Z"; 
                }//if                             
                alert(strError + "\n [Error character position " + eval(charpos+1)+"]"); 
                return false; 
              }//if 			
			break;
			}
		case "maiuscolo_piu_spazio_punto_slash":
			{
              var charpos = objValue.value.search("[^A-Z\' './]"); 
              if(objValue.value.length > 0 &&  charpos >= 0) 
              { 
                  if(!strError || strError.length ==0) 
                { 
                  strError = objValue.name+": characters allowed are A-Z"; 
                }//if                             
                alert(strError + "\n [Error character position " + eval(charpos+1)+"]"); 
                return false; 
              }//if 			
			break;
			}

	     case "maiuscolo_piu_spazio_punto_slash_virgola_numeri":
			{
              var charpos = objValue.value.search("[^A-Z0-9\' './,]"); 
              if(objValue.value.length > 0 &&  charpos >= 0) 
              { 
                  if(!strError || strError.length ==0) 
                { 
                  strError = objValue.name+": characters allowed are A-Z"; 
                }//if                             
                alert(strError + "\n [Error character position " + eval(charpos+1)+"]"); 
                return false; 
              }//if 			
			break;
			}


	     case "maiuscolo_piu_numeri_trattino":
			{
              var charpos = objValue.value.search("[^A-Z0-9\-]"); 
              if(objValue.value.length > 0 &&  charpos >= 0) 
              { 
                  if(!strError || strError.length ==0) 
                { 
                  strError = objValue.name+": characters allowed are A-Z"; 
                }//if                             
                alert(strError + "\n [Error character position " + eval(charpos+1)+"]"); 
                return false; 
              }//if 			
			break;
			}

	     case "maiuscolo_piu_spazio_punto_slash_trattino":
			{
              var charpos = objValue.value.search("[^A-Z0-9\' '-/.]"); 
              if(objValue.value.length > 0 &&  charpos >= 0) 
              { 
                  if(!strError || strError.length ==0) 
                { 
                  strError = objValue.name+": characters allowed are A-Z"; 
                }//if                             
                alert(strError + "\n [Error character position " + eval(charpos+1)+"]"); 
                return false; 
              }//if 			
			break;
			}

	     case "decimale":
			{
              var charpos = objValue.value.search("[^0-9\.]");
              if(objValue.value.length > 0 &&  charpos >= 0) 
              { 
                  if(!strError || strError.length ==0) 
                { 
                  strError = objValue.name+": characters allowed are A-Z"; 
                }//if                             
                alert(strError + "ATTENZIONE: utilizzare il PUNTO come separatore della parte decimale."); 
                return false; 
              }//if 			
			break;
			}

        case "cc": 
           { 
              var charpos = objValue.value.search("[^A-Z0-9]"); 
              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; 
           }//cc
        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 "maggioredizero": 
         { 
            if(isNaN(objValue.value)) 
            { 
              alert(objValue.name+": Should be a number "); 
              return false; 
            }//if 
             if(eval(objValue.value) <=  0) 
             { 
               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)) 
	            {                                                            
	              alert(strError); 
	              return false;                   
	            }//if 
			}
           break; 
         }//case regexp
        case "dontselect1": 
         { 
            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 
        
	
	case "dontselect": 
         { 
            if(objValue.selectedIndex.value == 0) 
            {                                                  
              alert(strError); 
              return false;                                   
            } 
            break; 
         }//case dontselect
        
	case "dontselect2": 
         { 
            if(objValue.selectedIndex == 0) 
            {                                                  
              alert(strError); 
              return false;                                   
            } 
            break; 
         }//case dontselect

	case "dontselect3": 
         { 
            if(objValue.value == 0) 
            {                                                  
              alert(strError); 
              return false;                                   
            } 
            break; 
         }//case dontselect		 
		 

        case "checkdate2": 
         { 
	var re_date = /^(\d{1,2})\/(\d{1,2})\/(\d{4})$/;
            if(eval(objValue.value.length) > 0)
			{
			if(!re_date.exec(objValue.value)) 
            {                                                  
              alert(strError+"Il campo DATA non č formattato correttamente (GG/MM/AAAA).\n Il modulo non verrā processato dal sistema."); 
              return false;                                   
            }
			}
            break;
         }//case checkdate

        case "checkdate": 
         { 
	var re_date = /^(\d{1,2})\/(\d{1,2})\/(\d{4})$/;
            if(!re_date.exec(objValue.value)) 
            {                                                  
              alert(strError+" "); 
              return false;                                   
            }
            break;
         }//case checkdate

		 
        case "checktoday": 
         { 
   	var today =new Date();
	var data_controllo =new Date();
	var gg=objValue.value.substr(0,2);
	var mm=(objValue.value.substr(3,2))-1;
	var yyyy=objValue.value.substr(6,4);
	var data_inserimento =new Date();
	var gg_i=document.pop_registra.DATA_INSERIMENTO.value.substr(0,2);
	var mm_i=(document.pop_registra.DATA_INSERIMENTO.value.substr(3,2))-1;
	var yyyy_i=document.pop_registra.DATA_INSERIMENTO.value.substr(6,4);	
            if(today<data_controllo.setFullYear(yyyy,mm,gg)) 
            {                                                  
              alert(strError+"La DATA DI ESECUZIONE DELL'INTERVENTO non č corretta oppure č\n successiva alla data odierna.\n Il modulo non verrā processato dal sistema.");
				return false;                                  
            }
			else
			{
            if(data_inserimento.setFullYear(yyyy_i,mm_i,gg_i)>data_controllo.setFullYear(yyyy,mm,gg)) 
            {                                                  
              alert(strError+"La DATA DI ESECUZIONE DELL'INTERVENTO non č corretta \n oppure č precedente alla data di inserimento dell'intervento.\n Il modulo non verrā processato dal sistema.");
		return false;                                  
            }
}						
           break;
         }//case checkdate

        case "val_campi_data": 
         { 
	var gg=objValue.value.substr(0,2);
	var mm=(objValue.value.substr(3,2));
	var yyyy=objValue.value.substr(6,4);
            if(gg>31) 
            {                                                  
              alert(strError+"");
		return false;
			break;
            }
            if(gg=='00') 
            {                                                  
              alert(strError+"");
		return false;
			break;
            }			
            if(mm>12) 
            {                                                  
              alert(strError+"");
		return false;
			break;
            }
            if(mm=='00') 
            {                                                  
              alert(strError+"");
		return false;
			break;
            }			
        break;
         }//case checkdate		 
		 
		 
		 
        case "val_data_appuntamento": 
         { 
   	var today =new Date();
	var data_controllo =new Date();
	var gg=objValue.value.substr(0,2);
	var mm=(objValue.value.substr(3,2))-1;
	var yyyy=objValue.value.substr(6,4);
	var data_inserimento =new Date();
            if(gg>31) 
            {                                                  
              alert(strError+"");
		return false;
			break;
            }	
            if(today>data_controllo.setFullYear(yyyy,mm,gg)) 
            {                                                  
              alert(strError+"");
		return false;                                  
            }			
        break;
         }//case checkdate

		 
		 
		 
		 
        case "checktoday_2": 
         { 
   	var today =new Date();
	var data_controllo =new Date();
	var gg=objValue.value.substr(0,2);
	var mm=(objValue.value.substr(3,2))-1;
	var yyyy=objValue.value.substr(6,4);
	var data_inserimento =new Date();
	var gg_i=document.pop_registra_2.DATA_INSERIMENTO.value.substr(0,2);
	var mm_i=(document.pop_registra_2.DATA_INSERIMENTO.value.substr(3,2))-1;
	var yyyy_i=document.pop_registra_2.DATA_INSERIMENTO.value.substr(6,4);
	            if(today<data_controllo.setFullYear(yyyy,mm,gg)) 
            {                                                  
              alert(strError+"La DATA DI EMISSIONE non č corretta oppure č\n successiva alla data odierna.\n Il modulo non verrā processato dal sistema.");
		return false;                                  
            }
            if(data_inserimento.setFullYear(yyyy_i,mm_i,gg_i)>data_controllo.setFullYear(yyyy,mm,gg)) 
            {                                                  
              alert(strError+"La DATA DI EMISSIONE non č corretta \n oppure č precedente alla data di inserimento dell'intervento.\n Il modulo non verrā processato dal sistema.");
		return false;                                  
            }			
        break;
         }//case checkdate
		 
        case "confirm": 
         { 
		// CONFIRM REQUIRES ONE ARGUMENT
		var message = "I dati inseriti sono corretti?";

	// CONFIRM IS BOOLEAN. THAT MEANS THAT
	// IT RETURNS TRUE IF 'OK' IS CLICKED
	// OTHERWISE IT RETURN FALSE
		var return_value = confirm(message);

	// TEST TO SEE IF TRUE|FALSE RETURNED
	if (return_value == false) {
		// YOUR 'OK' SCRIPT GOES HERE
	return false; 
	}
            break;
         }//case confirm

        case "confirm_ok": 
         { 
		// CONFIRM REQUIRES ONE ARGUMENT
		var message = "Confermi l'operazione?";

	// CONFIRM IS BOOLEAN. THAT MEANS THAT
	// IT RETURNS TRUE IF 'OK' IS CLICKED
	// OTHERWISE IT RETURN FALSE
		var return_value = confirm(message);

	// TEST TO SEE IF TRUE|FALSE RETURNED
	if (return_value == false) {
		// YOUR 'OK' SCRIPT GOES HERE
	return false; 
	}
            break;
         }//case confirm_ok

    }//switch 
    return true; 
}