function timeimgs(numb) {
thetimer = setTimeout("imgturn('" +numb+ "')", 8000);
}

function imgturn(numb) {
 beeldnaam = "../images/Image/headerimages/beeld"+numb+".jpg";
 document.getElementById('demo').src = beeldnaam;
 if (numb == "7") { // This will loop the image
	timeimgs('1');
 }else{
	timeimgs(numb = ++numb);
 }
}

function showimg(srcpad)
{
naam = srcpad;
naam = naam.replace("thumbnail","detailbeeld");
document.getElementById('grootimg').src = naam;
}

function verandertaal(taal,mnu)
{
	document.getElementById('pagedetail').action = "index.php?mnu="+mnu;
	document.getElementById('pagedetail').lang.value = taal;
	document.getElementById('pagedetail').submit();
}

function gotoPage(mnu)
{
	self.location = "index.php?mnu="+mnu;

}
function detailfoto(naam,breedte,hoogte){
	verhouding = breedte/hoogte;
	breedte = 480 * verhouding;
	var features =
        'width='        + breedte +
        ',height='      + 480 +
        ',status='      + 'no' ;
    var scherm = window.open ("", "", features);
	scherm.document.write("<html><head><title>-</title></head><body topmargin='0' leftmargin='0'>");
	scherm.document.write("<center><img src='" + naam.replace("thumbnail","detailbeeld") + "'></center></body></html>");
}


function toonsubmenu(instantie)
{	
	tetonen = "submenuvan" + instantie;		
	if(document.getElementById(instantie)){
		document.getElementById(instantie).style.fontweight = "bold";
	}
	if(document.getElementById(tetonen)){
		if(document.getElementById(tetonen).style.display == "none"){
			document.getElementById(tetonen).style.display = "block";
		}else{
			document.getElementById(tetonen).style.display = "none";
		}
	}
}

function checkform(form,boodschap){	
	waarde = 1;
	email = 1;
	txtemail = "";
	for(i=0;i<form.length;i++){			
			div = "div" + form.elements[i].name;
			divexist = document.getElementById(div);
			if(divexist != null){
				if(form.elements[i].value == "" || form.elements[i].value == "subbeleidsdomein" || form.elements[i].value == "entiteit"){
							document.getElementById(div).style.color = "red";
							waarde = 0;
				}else{
							document.getElementById(div).style.fontWeight = "normal";
							document.getElementById(div).style.color = "#FFFFFF";
				}
			}				

			if(div == "divEmail"){
					txtemail = form.elements[i].value;
			}
	}
		if(txtemail != ""){
			if(check_email(txtemail) == -1){					
				document.getElementById("divEmail").style.fontWeight = "normal";
				document.getElementById("divEmail").style.color = "#FFFFFF";
			}else{
				document.getElementById("divEmail").style.color = "red";					
				alert("Gelieve een geldig emailadres in te vullen");
				waarde = 0;
				email = 0;
			}
		}
		
	if(waarde==1){			
			form.submit();
	}else{
			if(email == 1){
				alert(boodschap);
			}
	}
}


function check_email(e) {
	ok = "1234567890qwertyuiop[]asdfghjklzxcvbnm.@-_QWERTYUIOPASDFGHJKLZXCVBNM";

	for(i=0; i < e.length ;i++){
		if(ok.indexOf(e.charAt(i))<0){ 
			return (false);
		}	
	} 

	if (document.images) {
		re = /(@.*@)|(\.\.)|(^\.)|(^@)|(@$)|(\.$)|(@\.)/;
		re_two = /^.+\@(\[?)[a-zA-Z0-9\-\.]+\.([a-zA-Z]{2,4}|[0-9]{1,3})(\]?)$/;
		if (!e.match(re) && e.match(re_two)) {
			return (-1);		
		} 
	}

}

