function formCheckA(formobj){
	// Adviesaanvraag AOV 
	//1) Enter name of mandatory fields
	var fieldRequired = Array("naam","beroep_functie","email");
	//2) Enter field description to appear in the dialog box
	var fieldDescription = Array("Naam","Uw beroep/functie","E-maildadres");
	//3) Enter dialog message
	var alertMsg = "Wilt u de volgende velden a.u.b. invullen:\n";
	
	var l_Msg = alertMsg.length;
	
	for (var i = 0; i < fieldRequired.length; i++){
		var obj = formobj.elements[fieldRequired[i]];
		if (obj){
			switch(obj.type){
			case "select-one":
				if (obj.selectedIndex == -1 || obj.options[obj.selectedIndex].text == ""){
					alertMsg += " - " + fieldDescription[i] + "\n";
				}
				break;
			case "select-multiple":
				if (obj.selectedIndex == -1){
					alertMsg += " - " + fieldDescription[i] + "\n";
				}
				break;
			case "text":
			case "textarea":
				if (obj.value == "" || obj.value == null){
					alertMsg += " - " + fieldDescription[i] + "\n";
				}
				break;
			default:
				if (obj.value == "" || obj.value == null){
					alertMsg += " - " + fieldDescription[i] + "\n";
				}
			}
		}
	}

	if (alertMsg.length == l_Msg){
		return true;
	}else{
		alert(alertMsg);
		return false;
	}
}
//====================================
function formCheckB(formobj){
	// Adviesaanvraag Beroepsaansprakelijkheid
	//1) Enter name of mandatory fields
	var fieldRequired = Array("naam","beroep_functie","bedrijf","telefoon","email","geboortedatum","opleiding","jaren_werkervaring");
	//2) Enter field description to appear in the dialog box
	var fieldDescription = Array("Naam","Beroep/functie","Bedrijf","Telefoonnummer","E-maildadres","Geboortedatum","Opleiding","Werkervaring");
	//3) Enter dialog message
	var alertMsg = "Wilt u de volgende velden a.u.b. invullen:\n";
	
	var l_Msg = alertMsg.length;
	
	for (var i = 0; i < fieldRequired.length; i++){
		var obj = formobj.elements[fieldRequired[i]];
		if (obj){
			switch(obj.type){
			case "select-one":
				if (obj.selectedIndex == -1 || obj.options[obj.selectedIndex].text == ""){
					alertMsg += " - " + fieldDescription[i] + "\n";
				}
				break;
			case "select-multiple":
				if (obj.selectedIndex == -1){
					alertMsg += " - " + fieldDescription[i] + "\n";
				}
				break;
			case "text":
			case "textarea":
				if (obj.value == "" || obj.value == null){
					alertMsg += " - " + fieldDescription[i] + "\n";
				}
				break;
			default:
				if (obj.value == "" || obj.value == null){
					alertMsg += " - " + fieldDescription[i] + "\n";
				}
			}
		}
	}

	if (alertMsg.length == l_Msg){
		return true;
	}else{
		alert(alertMsg);
		return false;
	}
}
//====================================
function formCheckC(formobj){
	// Adviesaanvraag Brandverzekering
	//1) Enter name of mandatory fields
	var fieldRequired = Array("naam","beroep_functie","bedrijf","telefoon","email", "soort_inventaris1");
	//2) Enter field description to appear in the dialog box
	var fieldDescription = Array("Naam","Beroep/functie","Bedrijf","Telefoonnummer","E-maildadres", "Soort inventaris (minimaal 1)");
	//3) Enter dialog message
	var alertMsg = "Wilt u de volgende velden a.u.b. invullen:\n";
	
	var l_Msg = alertMsg.length;
	
	for (var i = 0; i < fieldRequired.length; i++){
		var obj = formobj.elements[fieldRequired[i]];
		if (obj){
			switch(obj.type){
			case "select-one":
				if (obj.selectedIndex == -1 || obj.options[obj.selectedIndex].text == ""){
					alertMsg += " - " + fieldDescription[i] + "\n";
				}
				break;
			case "select-multiple":
				if (obj.selectedIndex == -1){
					alertMsg += " - " + fieldDescription[i] + "\n";
				}
				break;
			case "text":
			case "textarea":
				if (obj.value == "" || obj.value == null){
					alertMsg += " - " + fieldDescription[i] + "\n";
				}
				break;
			default:
				if (obj.value == "" || obj.value == null){
					alertMsg += " - " + fieldDescription[i] + "\n";
				}
			}
		}
	}

	if (alertMsg.length == l_Msg){
		return true;
	}else{
		alert(alertMsg);
		return false;
	}
}
//====================================
function formCheckD(formobj){
	// Adviesaanvraag Brandverzekering bedrijfsschade
	//1) Enter name of mandatory fields
	var fieldRequired = Array("naam","beroep_functie","bedrijf","telefoon","email", "verzekerd_belang", "uitkeringstermijn");
	//2) Enter field description to appear in the dialog box
	var fieldDescription = Array("Naam","Beroep/functie","Bedrijf","Telefoonnummer","E-maildadres", "Huidig verzekerd belang", "Uitkeringstermijn");
	//3) Enter dialog message
	var alertMsg = "Wilt u de volgende velden a.u.b. invullen:\n";
	
	var l_Msg = alertMsg.length;
	
	for (var i = 0; i < fieldRequired.length; i++){
		var obj = formobj.elements[fieldRequired[i]];
		if (obj){
			switch(obj.type){
			case "select-one":
				if (obj.selectedIndex == -1 || obj.options[obj.selectedIndex].text == ""){
					alertMsg += " - " + fieldDescription[i] + "\n";
				}
				break;
			case "select-multiple":
				if (obj.selectedIndex == -1){
					alertMsg += " - " + fieldDescription[i] + "\n";
				}
				break;
			case "text":
			case "textarea":
				if (obj.value == "" || obj.value == null){
					alertMsg += " - " + fieldDescription[i] + "\n";
				}
				break;
			default:
				if (obj.value == "" || obj.value == null){
					alertMsg += " - " + fieldDescription[i] + "\n";
				}
			}
		}
	}

	if (alertMsg.length == l_Msg){
		return true;
	}else{
		alert(alertMsg);
		return false;
	}
}
//====================================
function formCheckE(formobj){
	// Adviesaanvraag opstalverzekering
	//1) Enter name of mandatory fields
	var fieldRequired = Array("naam","beroep_functie","bedrijf","telefoon","email", "herbouwwaarde");
	//2) Enter field description to appear in the dialog box
	var fieldDescription = Array("Naam","Beroep/functie","Bedrijf","Telefoonnummer","E-maildadres", "Herbouwwaarde");
	//3) Enter dialog message
	var alertMsg = "Wilt u de volgende velden a.u.b. invullen:\n";
	
	var l_Msg = alertMsg.length;
	
	for (var i = 0; i < fieldRequired.length; i++){
		var obj = formobj.elements[fieldRequired[i]];
		if (obj){
			switch(obj.type){
			case "select-one":
				if (obj.selectedIndex == -1 || obj.options[obj.selectedIndex].text == ""){
					alertMsg += " - " + fieldDescription[i] + "\n";
				}
				break;
			case "select-multiple":
				if (obj.selectedIndex == -1){
					alertMsg += " - " + fieldDescription[i] + "\n";
				}
				break;
			case "text":
			case "textarea":
				if (obj.value == "" || obj.value == null){
					alertMsg += " - " + fieldDescription[i] + "\n";
				}
				break;
			default:
				if (obj.value == "" || obj.value == null){
					alertMsg += " - " + fieldDescription[i] + "\n";
				}
			}
		}
	}

	if (alertMsg.length == l_Msg){
		return true;
	}else{
		alert(alertMsg);
		return false;
	}
}
//====================================
function formCheckF(formobj){
	// Adviesaanvraag Pensioen
	//1) Enter name of mandatory fields
	var fieldRequired = Array("naam","beroep_functie","bedrijf","telefoon","email", "rechtsvorm","geboortedatum","partner");
	//2) Enter field description to appear in the dialog box
	var fieldDescription = Array("Naam","Beroep/functie","Bedrijf","Telefoonnummer","E-maildadres", "Rechtsvorm", "Geboortedatum","Partner");
	//3) Enter dialog message
	var alertMsg = "Wilt u de volgende velden a.u.b. invullen:\n";
	
	var l_Msg = alertMsg.length;
	
	for (var i = 0; i < fieldRequired.length; i++){
		var obj = formobj.elements[fieldRequired[i]];
		if (obj){
			switch(obj.type){
			case "select-one":
				if (obj.selectedIndex == -1 || obj.options[obj.selectedIndex].text == ""){
					alertMsg += " - " + fieldDescription[i] + "\n";
				}
				break;
			case "select-multiple":
				if (obj.selectedIndex == -1){
					alertMsg += " - " + fieldDescription[i] + "\n";
				}
				break;
			case "text":
			case "textarea":
				if (obj.value == "" || obj.value == null){
					alertMsg += " - " + fieldDescription[i] + "\n";
				}
				break;
			default:
				if (obj.value == "" || obj.value == null){
					alertMsg += " - " + fieldDescription[i] + "\n";
				}
			}
		}
	}

	if (alertMsg.length == l_Msg){
		return true;
	}else{
		alert(alertMsg);
		return false;
	}
}
//====================================
function formCheckG(formobj){
	// Adviesaanvraag Aansprakelijkheid/Rechtsbijstand
	//1) Enter name of mandatory fields
	var fieldRequired = Array("naam","beroep_functie","bedrijf","telefoon","email", "geschatte_omzet","geschatte_loonsom","aantal_medewerkers","aantal_firmanten");
	//2) Enter field description to appear in the dialog box
	var fieldDescription = Array("Naam","Beroep/functie","Bedrijf","Telefoonnummer","E-maildadres", "Geschatte omzet", "Geschatte loonsom","Aantal medewerkers","Aantal_Firmanten/DGAs");
	//3) Enter dialog message
	var alertMsg = "Wilt u de volgende velden a.u.b. invullen:\n";
	
	var l_Msg = alertMsg.length;
	
	for (var i = 0; i < fieldRequired.length; i++){
		var obj = formobj.elements[fieldRequired[i]];
		if (obj){
			switch(obj.type){
			case "select-one":
				if (obj.selectedIndex == -1 || obj.options[obj.selectedIndex].text == ""){
					alertMsg += " - " + fieldDescription[i] + "\n";
				}
				break;
			case "select-multiple":
				if (obj.selectedIndex == -1){
					alertMsg += " - " + fieldDescription[i] + "\n";
				}
				break;
			case "text":
			case "textarea":
				if (obj.value == "" || obj.value == null){
					alertMsg += " - " + fieldDescription[i] + "\n";
				}
				break;
			default:
				if (obj.value == "" || obj.value == null){
					alertMsg += " - " + fieldDescription[i] + "\n";
				}
			}
		}
	}

	if (alertMsg.length == l_Msg){
		return true;
	}else{
		alert(alertMsg);
		return false;
	}
}
//====================================
function formCheckH(formobj){
	// Adviesaanvraag Aansprakelijkheid/Rechtsbijstand 2
	//1) Enter name of mandatory fields
	var fieldRequired = Array("naam","beroep_functie","bedrijf","telefoon","email", "geschatte_loonsom","aantal_medewerkers","aantal_firmanten");
	//2) Enter field description to appear in the dialog box
	var fieldDescription = Array("Naam","Beroep/functie","Bedrijf","Telefoonnummer","E-maildadres", "Geschatte loonsom","Aantal medewerkers","Aantal_Firmanten/DGAs");
	//3) Enter dialog message
	var alertMsg = "Wilt u de volgende velden a.u.b. invullen:\n";
	
	var l_Msg = alertMsg.length;
	
	for (var i = 0; i < fieldRequired.length; i++){
		var obj = formobj.elements[fieldRequired[i]];
		if (obj){
			switch(obj.type){
			case "select-one":
				if (obj.selectedIndex == -1 || obj.options[obj.selectedIndex].text == ""){
					alertMsg += " - " + fieldDescription[i] + "\n";
				}
				break;
			case "select-multiple":
				if (obj.selectedIndex == -1){
					alertMsg += " - " + fieldDescription[i] + "\n";
				}
				break;
			case "text":
			case "textarea":
				if (obj.value == "" || obj.value == null){
					alertMsg += " - " + fieldDescription[i] + "\n";
				}
				break;
			default:
				if (obj.value == "" || obj.value == null){
					alertMsg += " - " + fieldDescription[i] + "\n";
				}
			}
		}
	}

	if (alertMsg.length == l_Msg){
		return true;
	}else{
		alert(alertMsg);
		return false;
	}
}
//====================================
function formCheckI(formobj){
	// Aanvraag Totaaladviesgesprek
	//1) Enter name of mandatory fields
	var fieldRequired = Array("naam","beroep_functie","organisatie","telefoon","email", "onderwerp");
	//2) Enter field description to appear in the dialog box
	var fieldDescription = Array("Naam","Beroep/functie","Organisatie","Telefoonnummer","E-maildadres", "Onderwerp");
	//3) Enter dialog message
	var alertMsg = "Wilt u de volgende velden a.u.b. invullen:\n";
	
	var l_Msg = alertMsg.length;
	
	for (var i = 0; i < fieldRequired.length; i++){
		var obj = formobj.elements[fieldRequired[i]];
		if (obj){
			switch(obj.type){
			case "select-one":
				if (obj.selectedIndex == -1 || obj.options[obj.selectedIndex].text == ""){
					alertMsg += " - " + fieldDescription[i] + "\n";
				}
				break;
			case "select-multiple":
				if (obj.selectedIndex == -1){
					alertMsg += " - " + fieldDescription[i] + "\n";
				}
				break;
			case "text":
			case "textarea":
				if (obj.value == "" || obj.value == null){
					alertMsg += " - " + fieldDescription[i] + "\n";
				}
				break;
			default:
				if (obj.value == "" || obj.value == null){
					alertMsg += " - " + fieldDescription[i] + "\n";
				}
			}
		}
	}

	if (alertMsg.length == l_Msg){
		return true;
	}else{
		alert(alertMsg);
		return false;
	}
}





//========================================
	function emailCheck (emailStr) {
    var checkTLD=1;
    var knownDomsPat=/^(biz|com|net|org|edu|int|mil|gov|arpa|biz|aero|name|coop|info|pro|museum)$/;
    var emailPat=/^(.+)@(.+)$/;
    var specialChars="\\(\\)><@,;:\\\\\\\"\\.\\[\\]";
    var validChars="\[^\\s" + specialChars + "\]";
    var quotedUser="(\"[^\"]*\")";
    var ipDomainPat=/^\[(\d{1,3})\.(\d{1,3})\.(\d{1,3})\.(\d{1,3})\]$/;
    var atom=validChars + '+';
    var word="(" + atom + "|" + quotedUser + ")";
    var userPat=new RegExp("^" + word + "(\\." + word + ")*$");
    var domainPat=new RegExp("^" + atom + "(\\." + atom +")*$");
    var matchArray=emailStr.match(emailPat);

   if (matchArray==null) {
        alert("E-mail adres lijkt onjuist @ en punt");
       return false;
    }
    
    var user=matchArray[1];
    var domain=matchArray[2];

   for (i=0; i<user.length; i++) {
       if (user.charCodeAt(i)>127) {
            alert("Deze gebruikersnaam bevat onjuiste karakters.");
           return false;
       }
    }

   for (i=0; i<domain.length; i++) {
       if (domain.charCodeAt(i)>127) {
            alert("Deze domeinnaam bevat onjuiste karakters.");
           return false;
        }
    }

   if (user.match(userPat)==null) {
        alert("De gebruikersnaan is ongeldig.");
       return false;
    }

    var IPArray=domain.match(ipDomainPat);
    
   if (IPArray!=null) {
       for (var i=1;i<=4;i++) {
           if (IPArray[i]>255) {
                alert("Doel IP adres in ongeldig");
               return false;
            }
        }
       return true;
    }
 
    var atomPat=new RegExp("^" + atom + "$");
    var domArr=domain.split(".");
    var len=domArr.length;
   for (i=0;i<len;i++) {
       if (domArr[i].search(atomPat)==-1) {
            alert("Ongeldig domein.");
           return false;
        }
    }

   if (checkTLD && domArr[domArr.length-1].length!=2 && 
        domArr[domArr.length-1].search(knownDomsPat)==-1) {
        alert("Het adres moet eindigen op een domein of 2-letterige landcode");
       return false;
    }
   if (len<2) {
        alert("De hostname van dit adres mist");
       return false;
    }

return true;
}