/*** Mouseover effect menu's* 
* var id	:	betreffende item
* var toggle	:	Toggle van mouseover naar mouseout en vice versa
* var side		:	Om welk menu het gaat (left of right)
**/
function swapimg(id, toggle, side){
	if (side == "right" || side == "left"){
		var  mouseout = 'images/menu' + side + '/' + id + '.gif';
		var mouseover = 'images/menu' + side + '/' + id + '_over.gif';
		}else{		var  mouseout = 'images/' + id + '.gif';
		var mouseover = 'images/' + id + '_over.gif';
		}	if(toggle==1){
		document.images[id].src = mouseout;
		}else if(toggle==0){
		document.images[id].src = mouseover;
		}
	}

/*** Submitten van formulier*
* var frm		: formuliernaam/id
* var method	: methode (post/get)
* var page		: te laden pagina
* var target	: doelbestemming (_blank, _self, ..)
**/
function sbmt(frm, method, page, target){
	//document.forms[frm].method=method;
	//document.forms[frm].action=page;
	//document.forms[frm].target=target;
	//document.forms[frm].submit();
	document.kortingform.submit()
}//sbmt

function sbmtInteresseform(frm, method, page, target){
	//document.forms[frm].method=method;
	//document.forms[frm].action=page;
	//document.forms[frm].target=target;
	//document.forms[frm].submit();
	document.interesseform.submit()
}

function ChecknSubmit(){
	
	//Submit: if false, don't submit
	var submit = true; //false;
    
	//Land
	var land='Anders, dus geen postcodecheck';
	for(i=0;i<document.forms['kortingform'].land.length; i++){
		if (document.forms['kortingform'].land[i].checked && i==0){
			land = 'Nederland';
			break;
		}
	}	
	
	//Postcode
	if (land=='Nederland'){
		var postcode = document.getElementById('postcode').value;
		//submit = validatePostcode(postcode);
		if (!validatePostcode(postcode))
		{
			submit = false;
		}
	}else{
		//submit=true;
	}
	
	//Naam
	var naam = document.getElementById('lastname').value;
	if (naam!=""){
		//submit=true;
	}else{
		alert("Naam is verplicht");
		submit=false;		
	}
	
	//Email
	var email = document.getElementById('email_address').value;
	if (validateEmail(email)){
		//submit=true;
	}else{
		alert("Emailadres verkeerd");
		submit=false;		
	}	
	
	//Geboortedatum, dummycheck momenteel..
	var geboortedatum = document.getElementById('geboortedatum').value;
	if( geboortedatum == 'dd-mm-jjjj' ){
		geboortedatum = '';
		document.getElementById('geboortedatum').value = '';
	}
	if (geboortedatum.length>0){
		//submit = validateDate(geboortedatum);
		//if (!submit){
		//  alert("Er is een incorrecte datum ingevult bij de geboortedatum.");
		//}
		if (!validateDate(geboortedatum))
		{
			alert("Er is een incorrecte datum ingevult bij de geboortedatum.");
			submit = false;
		}
	}
	
	//Submit
	if (submit){
		displayEnquete();
	}
}

function displayEnquete(){
	document.getElementById('formContainer').style.display='none';
	document.getElementById('buttonsForm1').style.display='none';
	document.getElementById('hoog').style.display='none';
	document.getElementById('removeBackground').style.display='none';
	document.getElementById('enquete').style.display='block';
}

var dtCh= "-";
var minYear=1900;
var maxYear=2100;

function isInteger(s){
	var i;
    for (i = 0; i < s.length; i++){   
        // Check that current character is number.
        var c = s.charAt(i);
        if (((c < "0") || (c > "9"))) return false;
    }
    // All characters are numbers.
    return true;
}

function stripCharsInBag(s, bag){
	var i;
    var returnString = "";
    // Search through string's characters one by one.
    // If character is not in bag, append to returnString.
    for (i = 0; i < s.length; i++){   
        var c = s.charAt(i);
        if (bag.indexOf(c) == -1) returnString += c;
    }
    return returnString;
}

function daysInFebruary (year){
	// February has 29 days in any year evenly divisible by four,
    // EXCEPT for centurial years which are not also divisible by 400.
    return (((year % 4 == 0) && ( (!(year % 100 == 0)) || (year % 400 == 0))) ? 29 : 28 );
}
function DaysArray(n) {
	for (var i = 1; i <= n; i++) {
		this[i] = 31;
		if (i==4 || i==6 || i==9 || i==11) {this[i] = 30;}
		if (i==2) {this[i] = 29;}
   } 
   return this
}

function isDate(dtStr){
	var daysInMonth = DaysArray(12);
	var pos1=dtStr.indexOf(dtCh);
	var pos2=dtStr.indexOf(dtCh,pos1+1);
	var strMonth=dtStr.substring(0,pos1);
	var strDay=dtStr.substring(pos1+1,pos2);
	var strYear=dtStr.substring(pos2+1);
	strYr=strYear;
	if (strDay.charAt(0)=="0" && strDay.length>1) strDay=strDay.substring(1);
	if (strMonth.charAt(0)=="0" && strMonth.length>1) strMonth=strMonth.substring(1);
	for (var i = 1; i <= 3; i++) {
		if (strYr.charAt(0)=="0" && strYr.length>1) strYr=strYr.substring(1);
	}
	day=parseInt(strMonth);
	month=parseInt(strDay);
	year=parseInt(strYr);
	if (pos1==-1 || pos2==-1){
		return false;
	}
	if (strMonth.length<1 || month<1 || month>12){
		return false;
	}
	if (strDay.length<1 || day<1 || day>31 || (month==2 && day>daysInFebruary(year)) || day > daysInMonth[month]){
		return false;
	}
	if (strYear.length != 4 || year==0 || year<minYear || year>maxYear){
		return false;
	}
	if (dtStr.indexOf(dtCh,pos2+1)!=-1 || isInteger(stripCharsInBag(dtStr, dtCh))==false){
		return false;
	}
return true;
}

function validateDate(date){
	return isDate(date);
}
function validatePostcode(postcode){
	postcode = postcode.replace(" ","");
	     
	if (postcode.length == 6){ 
		postcode = postcode.toUpperCase();
		var re=RegExp("^[0-9][0-9][0-9][0-9][A-Z][A-Z]$"); 
		if(postcode.match(re)){
			return true
	    }else{
			alert('Postcode is fout');
			return false;
		} 
	}else{ 
		alert('Postcode is fout');
		return false;
	} 
}

function validateEmail(email){
	var at="@";
	var dot=".";
	var lat=email.indexOf(at);
	var lstr=email.length;
	var ldot=email.indexOf(dot);

	if ((email.indexOf(at)==-1 || email.indexOf(at)==0 || email.indexOf(at)==lstr) ||
	    (email.indexOf(dot)==-1 || email.indexOf(dot)==0 || email.indexOf(dot)==lstr) ||
		(email.indexOf(at,(lat+1))!=-1) ||
		(email.substring(lat-1,lat)==dot || email.substring(lat+1,lat+2)==dot) ||
		(email.indexOf(dot,(lat+2))==-1) ||
		(email.indexOf(" ")!=-1) ||
		(email.indexOf(at)==-1)
	){
	    return false;
	}//if

	 return true;					
}//validateEmail