function bestelProduct(id, aantal, groep) {
  if(aantal<=0) {
    rc = alert('U heeft nog geen aantal opgegeven!');
     } else {
  if (confirm('Weet zeker dat u dit product '+ aantal +' keer in uw mandje wilt plaatsen')) 
   {
    var product_id = id;
    var hoeveel = aantal;
	var groep = groep;

  gotoURL('?go=mandje&product_id=' + product_id + '&product_aantal=' + hoeveel + '&action=add&groep=' + groep);
  }
 }
}
function bestelProducts(id, pakket, groep, meerinfo) {
  if (confirm('Weet zeker dat u dit product bij het pakket wilt plaatsen')) 
   {
    var product_id = id;
    var pakket_id = pakket;
	var groep = groep;
	var meerinfo = meerinfo;

  gotoURL('?go=mandje&product_id=' + product_id + '&pakket_id=' + pakket_id + '&action=add&groep=' + groep + '&meerinfo=' + meerinfo + '&add=products');
  }
 }

function MySubmit() {
 {
  gotoURL('?go=mandje&action=refresh');
 }
}

function emailCheck(emailStr) {
var emailPat = /^([a-zA-Z0-9_\.\-])+\@(([a-zA-Z0-9\-])+\.)+([a-zA-Z0-9]{2,4})+$/;
var matchArray = emailStr.match(emailPat);
if (matchArray == null) {
alert("Het opgegeven E-mailadres is niet correct.");
return false;
}
return true;
}

 function gotoURL(url)
{
  document.location.href = url;
}


function SpringOp(URL) {
day = new Date();
id = day.getTime();
eval("page" + id + " = window.open(URL, '" + id + "', 'toolbar=0,scrollbars=1,location=0,statusbar=0,menubar=0,resizable=0,width=850,height=650');");
}


function venster(URL) {
venster = window.open(URL, 'popupvenster', 'width=800, height=600, resizable=yes, menubar=no, scrollbars=no, status=no, toolbar=no');
}


function PopupPic(sPicURL) 
	{ 
	window.open(sPicURL, "", "resizable=1,HEIGHT=650,WIDTH=850");
	}

function checkcontact( form )
{
  if (form.naam.value == "") {
    alert( "Er is nog geen naam opgegeven" );
    form.naam.focus();
    return false ;
  }
  if (form.bedrijf.value == "") {
    alert( "Er is nog geen bedrijfs naam ingevuld" );
    form.bedrijf.focus();
    return false ;
  }
  if (form.telefoon.value == "") {
    alert( "Er is nog geen telefoon nummer ingevuld" );
    form.telefoon.focus();
    return false ;
  }
  if (form.email.value == "") {
    alert( "Er is nog geen e-mailadres ingevuld" );
    form.email.focus();
    return false ;
  }
  if (form.bericht.value == "") {
    alert( "Er is nog geen bedrijfs naam ingevuld" );
    form.bedrijf.focus();
    return false ;
  }  
  return true ;
}
function checkreactie( form )
{
  if (form.opmerking.value == "") {
    alert( "Er is geen reactie opgegeven" );
    form.opmerking.focus();
    return false ;
  }
 
  return true ;
}
function icon( theicon )
{

	document.productaanmaken.product_bericht.value += ""+theicon;
	document.productaanmaken.product_bericht.focus();	
}
function icon_comment( theicon )
{
	document.comment.opmerking.value += ""+theicon;
	document.comment.opmerking.focus();
}
function checkaanmelden ( form )
{
  if (form.username.value == "") {
    alert( "Uw heeft geen gebruikersnaam opgegeven." );
    form.username.focus();
    return false ;
  }
   if (form.password.value == "") {
    alert( "Er is geen wachtwoord opgegeven." );
    form.password.focus();
    return false ;
  }
   if (form.email_user.value == "") {
    alert( "Er is geen emailadres opgegeven." );
    form.email_user.focus();
    return false ;
  }
  return true ;
}
function checkaanmelden_member ( form )
{
  if (form.username.value == "") {
    alert( "Uw heeft geen gebruikersnaam opgegeven." );
    form.username.focus();
    return false ;
  }
   if (form.password.value == "") {
    alert( "Er is geen wachtwoord opgegeven." );
    form.password.focus();
    return false ;
  }
   if (form.email_user.value == "") {
    alert( "Er is geen emailadres opgegeven." );
    form.email_user.focus();
    return false ;
  }
return true ;
}

function check_aanmelden()
{
if(document.forms.form1['username'].value == "") {
    alert( "Uw heeft geen gebruikersnaam opgegeven." );	
    return false ;
	}
if(document.forms.form1['password'].value == "") {
    alert( "Uw heeft geen wacchtwoord opgegeven." );	
    return false ;
	}	
if(document.forms.form1['email_user'].value == "") {
    alert( "Uw heeft geen emailadres opgegeven." );	
    return false ;
	}	
var s = 0;
for(var i=1; i<=1; i++) {
if(document.forms.form1['check'+i].checked)
s++;
document.forms.form1.aanmelden.disabled = (s<1);
return (s<=1);
}
}
//////////////////////// Begin validate ////////////////////////

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 "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 "regexp": 
         { 
		 	if(objValue.value.length > 0)
			{
	            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+": Please Select one option "; 
              }//if                                                               
              alert(strError); 
              return false;                                   
             } 
             break; 
         }//case dontselect 
    }//switch 
    return true; 
}
/*
<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>
*/

///////////////////////// EINDE VALIDATE /////////////////////////