/*
-------------------------------------------------------------------------
	                Validation Script in JavaScript
                                Version 2.0
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

MODIFIED BY SAIBAL - 08/02/2007
-------------------------------------------------------------------------
*/

function Validator(frmname) {
  //this.formobj=document.forms[frmname];
  this.formobj= document.getElementById(frmname);
  
	if(!this.formobj) {
	  alert("Attenzione! Non trovo l'oggetto chiamato: "+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,moredata) {
  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,moredata);
}

function ValidationDesc(inputitem,desc,error,moredata) {
  this.desc=desc;
	this.error=error;
	this.itemobj = inputitem;
	this.validate=vdesc_validate;
	this.more =moredata;
}

function vdesc_validate() {
 if(!V2validateData(this.desc,this.itemobj,this.error,this.more)) {
    this.itemobj.focus();
    this.itemobj.style.backgroundColor 	= 'red';
    this.itemobj.style.color 						= 'white';
		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,moredata) {
  this.vSet[this.vSet.length]= 
	  new ValidationDesc(this.itemobj,desc,error,moredata);
}

function vset_validate() {
   for(var itr=0;itr<this.vSet.length;itr++) {
	   if(!this.vSet[itr].validate()) {
		   return false;
		 }
	 }
	 return true;
}

function validateEmailv2(email) {
    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,moredata)  {
    var epos 			= strValidateStr.search("=");
    var command  	= "";
    var cmdvalue 	= "";
    var more = moredata;

		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 obbligatorio";
	    }//if
	    
	    alert(strError);
	    return false;
	 }
	break;
	}//case required
	
	case "maxlength":
	case "maxlen":
	{
	
	 if(eval(objValue.value.length) >  eval(cmdvalue)) {
	   if(!strError || strError.length ==0) {
	     strError = objValue.name + " : lunghezza massima "+cmdvalue+" caratteri ";
	   }//if

		 alert(strError + "\n[lunghezza attuale = " + 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+": sono ammessi solo caratteri numerici ";
	    }//if
	    
	    alert(strError + "\n [Posizione carattere errato " + eval(charpos+1)+"]");
	    return false;
	    
	  }//if
	break;
	}//numeric
	
	case "numeric_point":
	{
	  var charpos 		= objValue.value.search("[^0-9.]");
	  var checkpoint 	= objValue.value.substr(objValue.value.length-3,1);

	  if(objValue.value.length <= 0) {
			if(!strError || strError.length == 0) {
	      strError = "Campo obbligatorio";
	    }//if

	    alert(strError);
	    return false;
	  }

	  if(objValue.value.length > 0 && checkpoint != ".") {
			if(!strError || strError.length ==0) {
	      strError = "Le ultime due cifre devono essere separate da punto";
	    }

	    alert(strError);
	    return false;
	  }

		if(objValue.value.length > 0 && charpos >= 0) {
			if(!strError || strError.length ==0) {
	    	strError = "Solo caratteri numerici";
	  	}

	  	alert(strError);
	  	return false;
		}
		
	break;
	}//numeric
	
	case "numeric_point2": {
	  var charpos = objValue.value.search("[^0-9.]");
	  var checkpoint = objValue.value.substr(objValue.value.length-3,1);

	  if(objValue.value.length > 0 && checkpoint != ".") {
			if(!strError || strError.length ==0) {
	      strError = "Le ultime due cifre devono essere separate da punto";
	    }

	    alert(strError);
	    return false;
	  }

		if(objValue.value.length > 0 && charpos >= 0) {
			if(!strError || strError.length ==0) {
	    	strError = "Solo caratteri numerici";
	  	}

	  	alert(strError);
	  	return false;
		}
		
	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 "email":
	{
		if(!validateEmailv2(objValue.value)) {
			if(!strError || strError.length ==0) {
		    strError = objValue.name+": Inserisci un indirizzo valido ";
		 	}//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 "regexp":
	{
	  if(!objValue.value.match(cmdvalue)) {
	  	if(!strError || strError.length ==0) {
	      strError = objValue.name+": Invalid characters found ";
	    }//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+": Seleziona una opzione";
	    }//if
	    
	    alert(strError);
	    return false;
		}
		
	break;
	}//case dontselect
	
	case "mycheckbox":
	{

		if(objValue.checked == false) {
	  	if(!strError || strError.length ==0) {
	    strError = objValue.name+": Attenzione! Opzione obbligatoria";
	    }
	    
	    alert(strError);
	    return false;
		}
		
	break;
	}//case dontselect
	
	case "mycheckbox_byid":
	{

		if(document.getElementById(objValue.id).checked == false) {
	  	if(!strError || strError.length ==0) {
	    strError = objValue.id+": Attenzione! Opzione obbligatoria";
	    }

	    alert(strError);
	    return false;
		}

	break;
	}//case dontselect
	
	
	case "checkmore":
	{
		var check_more =objValue.value.indexOf(moredata);

		if (check_more < 0) {
			return confirm("Non hai messo il tag " +moredata+ " per dividere l'articolo. Confermi la scelta?");
	  }
	break;
	}//case dontselect
	
}//switch 
return true; 
}

function random_cookiename(idhidden) {
	crname = Math.floor(Math.random()*500);
	document.getElementById(idhidden).value = crname;
}
/*
	Copyright 2003 JavaScript-coder.com. All rights reserved.
	<script language="JavaScript" type="text/javascript">
//You should create the validator only after the definition of the HTML form
  var frmvalidator  = new Validator("myform");
  frmvalidator.addValidation("FirstName","req","Please enter your First Name");
  frmvalidator.addValidation("FirstName","maxlen=20",
	"Max length for FirstName is 20");
  frmvalidator.addValidation("FirstName","alpha");

  frmvalidator.addValidation("LastName","req");
  frmvalidator.addValidation("LastName","maxlen=20");

  frmvalidator.addValidation("Email","maxlen=50");
  frmvalidator.addValidation("Email","req");
  frmvalidator.addValidation("Email","email");

  frmvalidator.addValidation("Phone","maxlen=50");
  frmvalidator.addValidation("Phone","numeric");

  frmvalidator.addValidation("Address","maxlen=50");
  frmvalidator.addValidation("Country","dontselect=0");

</script>
*/