function CheckUN()
{
	if (document.editlogin.wijzig_user.checked==true) {
		document.editlogin.gebruikersnaam.disabled=false;
		id1.style.display="";
		if(document.editlogin.wijzig_pass.checked==false) {
			document.editlogin.huidigwachtwoord.disabled=false;
			id2.style.display="";
			document.editlogin.editlogindata.disabled=false;
			id5.style.display="";
		}
	}
	else {
		document.editlogin.gebruikersnaam.disabled=true;
		id1.style.display="none";
		if(document.editlogin.wijzig_pass.checked==false) {
			document.editlogin.huidigwachtwoord.disabled=true;
			id2.style.display="none";
			document.editlogin.editlogindata.disabled=true;
			id5.style.display="none";
		}
	}
}

function CheckWW()
{
	if (document.editlogin.wijzig_pass.checked==true) {
		document.editlogin.nieuwwachtwoord.disabled=false;
		id3.style.display="";
		document.editlogin.nieuwwachtwoord2.disabled=false;
		id4.style.display="";
		if(document.editlogin.wijzig_user.checked==false) {
			document.editlogin.huidigwachtwoord.disabled=false;
			id2.style.display="";
			document.editlogin.editlogindata.disabled=false;
			id5.style.display="";
		}
	}
	else {
		document.editlogin.nieuwwachtwoord.disabled=true;
		id3.style.display="none";
		document.editlogin.nieuwwachtwoord2.disabled=true;
		id4.style.display="none";
		if(document.editlogin.wijzig_user.checked==false) {
			document.editlogin.huidigwachtwoord.disabled=true;
			id2.style.display="none";
			document.editlogin.editlogindata.disabled=true;
			id5.style.display="none";
		}
	}
}

function blaat() {
	test.style.display='';
	testweg.style.display='none';
}

function checkForCom() {
	if(document.f_add_activity.by_commission.value!=""){
		forcom.style.display="";
		forcominput.style.display="";
	}
	else{
		forcom.style.display="none";
		forcominput.style.display="none";
	}
}

function insertbbcode(tekstarea, typebb) { 

switch (typebb){
	case "url": 
		var adres= prompt('Waar wil je naartoe linken?', 'http://');
		break;
	case "img": 
		var adres= prompt('Welke afbeelding wil je neerzetten?', 'http://');
		break;
}

			//IE support
			if (document.selection) {
				tekstarea.focus();
				sel = document.selection.createRange();
				switch (typebb){
					case "url": 
						sel.text = "[URL=" + adres + "]" + sel.text + "[/URL]";
						break;
					case "b": 
						sel.text = "[b]" + sel.text + "[/b]";
						break;
					case "u": 
						sel.text = "[u]" + sel.text + "[/u]";
						break;
					case "i": 
						sel.text = "[i]" + sel.text + "[/i]";
						break;
					case "img": 
						sel.text = "[img]" + adres + "[/img]" + sel.text;
						break;
					default:
						var adres = ' ';
				}
			}
	
			//MOZILLA/NETSCAPE support
			else if (tekstarea.selectionStart || tekstarea.selectionStart == '0') {
				var startPos = tekstarea.selectionStart;
				var endPos = tekstarea.selectionEnd;
				var selection = "";
				switch (typebb){
					case "url": 
						selection = "[url=" + adres + "]" +  tekstarea.value.substring(startPos, endPos) + "[/url]";
						break;
					case "b": 
						selection = "[b]" +  tekstarea.value.substring(startPos, endPos) + "[/b]";
						break;
					case "u": 
						selection = "[u]" +  tekstarea.value.substring(startPos, endPos) + "[/u]";
						break;
					case "i": 
						selection = "[i]" +  tekstarea.value.substring(startPos, endPos) + "[/i]";
						break;
					case "img": 
						selection = "[img]" + adres + "[/img]" + tekstarea.value.substring(startPos, endPos);
						break;
					default:
						selection = tekstarea.value.substring(startPos, endPos);
				}
				tekstarea.value = tekstarea.value.substring(0, startPos)
				+ selection
				+ tekstarea.value.substring(endPos, tekstarea.value.length);
			} else {
				tekstarea.value += tekstarea.value;
			}
	 
}