window.onload = function () {
	
	var submenu = document.getElementById("submenu");
	var title = document.getElementById("title");
	if(title) { title.innerHTML = "Welkom"; }
	
	if(links = document.getElementById("menu").getElementsByTagName("li")) {
		loc1 = location.href.lastIndexOf("/");
		loc2 = location.href.lastIndexOf("/",loc1-1);
		foldername = location.href.substring(loc2+1,loc1);
		filename = location.href.substring(loc1+1);
		for (var i=0; i<links.length; i++) {
			//if (links[i].href.substring(links[i].href.lastIndexOf("/"),links[i].href.lastIndexOf("/",links[i].href.lastIndexOf("/")-1)+1) == foldername) {
			links[i].firstChild.style.opacity = 0.5;
			if (links[i].firstChild.href.substring(links[i].firstChild.href.lastIndexOf("/")+1) == filename) {
				links[i].className = "active";
				if(title) {	title.innerHTML = links[i].innerHTML; }
			}
		}
	}
	if(submenu) {
		links2 = submenu.getElementsByTagName("a");
		for (var i=0; i<links2.length; i++) {
			if (links2[i].href.substring(links2[i].href.lastIndexOf("/")+1) == filename) {
				links2[i].className = "active";
			}
		}
	}
}

function fade(id,step) {
	ding = document.getElementById(id);
	opac = parseFloat(ding.style.opacity);
	newOpac = opac+0.01*step;
	if(newOpac>1) { newOpac=1; }
	if(newOpac<0.5) { newOpac=0.5; }
	ding.style.MozOpacity = newOpac;
	ding.style.opacity = newOpac;
	ding.style.filter = "alpha(opacity="+100*newOpac+")";
	if(fade[id]) { clearTimeout(fade[id]); }
	if(newOpac<1 && newOpac>0.5) { fade[id] = window.setTimeout("fade('"+id+"', "+step+")",50); }
}

function checkContactForm() {
	if(ccscheck('naam', '') + ccscheck('mail','mail') + ccscheck('mssg','') == 3) return true;
	else return false;
}

function checkApplyForm() {
	if(ccscheck('naam', '') + ccscheck('adres', '') + ccscheck('postc', 'postc') + ccscheck('plaats', '') + ccscheck('personen', 'number') + ccscheck('mail','mail') == 6) return true; else return false; // mail, postc, phone or other
}

function ccscheck(inputId, type) {
	var failCSS = 'invalid';
	if(check(inputId,type)==1) {
		document.getElementById(inputId).className = 'goodCSS';
		return 1;
	} else {
		document.getElementById(inputId).className = 'failCSS';
		document.getElementById(inputId).onkeyup = new Function("ccscheck('"+inputId+"', '"+type+"');");
		return 0;
	}
}

function check(inputId, type) {
	var id = document.getElementById(inputId);
	var v = id.value;
	switch (type) {
		
		case 'mail':
			var atIndex = v.indexOf('@');
			var dotIndex = v.lastIndexOf('.');
			if (atIndex < 1 || atIndex>=(v.length-2) || dotIndex < 1 || dotIndex>=(v.length-2) || atIndex > dotIndex - 1)
				return 0;
			else
				return 1;
			break
	
		case 'phone':
			var re = new RegExp('[^\\d]', "g");
			v = v.replace(re, "");
			if( parseInt(v,10) >= 100000000 && parseInt(v,10) <= 800000000 ) {
				v = '0' + parseInt(v,10);
				// id.value = v;
				return 1;
			} else return 0;
			break
		
		case 'postc':
			var re = new RegExp('(\\d{4})[\\s]*?([A-Z]{2}).*', "i");
			v = v.replace(re, "$1$2");
			v = v.toUpperCase();
			// id.value = v;
			if(v.length == 6 && re.test(v)) return 1; else return 0;
			break

		case 'number':
			if(parseInt(v) > 0) return 1; else return 0;
			break
		
		default:
			var length = v.length;
			if(length >= 2) return 1; else return 0;
			break
	}

}