function showAlternative(){
	if(ge("catID").value == 'anders'){
		ge("hidC").style.visibility = 'visible';
		ge("hidC").style.height = '35px';
	}else{
		ge("hidC").style.visibility = 'hidden';
		ge("hidC").style.height = '0px';
	}
}

function checkInput(){
	if(ge("altCat").value == 'categorienaam'){
		ge("altCat").value = '';
	}else if(ge("altCat").value == ''){
		ge("altCat").value = 'categorienaam';
	}
}

function ge(varT){
	return document.getElementById(varT);	
}

function delItem(adID){
	if(confirm('Zeker weten dat je je advertentie wilt verwijderen?')){
		location.href='index.php?i=profiel&action=deleteAd&adID='+ adID;
	}
}
function editItem(adID){
	if(confirm('Als de advertentie actief staat en U past de advertentie aan dan komt hij weer op non-actief te staan en moet hij opnieuw gekeurd worden!')){
		location.href='index.php?i=edit_advertentie&adID='+ adID;
	}
}

function confirmer(url,message){
	if(confirm(message)){
		location.href=url;
	}
}

function flipImage(){
	var imgSrc = 'incl/uniqueImage.php?' + Math.random();
	ge('code').src = imgSrc;	
}

function showPicForm (){
	if(document.getElementById('pictureDIV').style.visibility == 'hidden'){
		document.getElementById('pictureDIV').style.visibility = 'visible';
		document.getElementById('pictureDIV').style.height = '100px';
		document.getElementById('pictureDIV').innerHTML = '<iframe src="index.php?x=upload_pictures" width=500 height=100 border=0 frameborder=0 framespacing=0></iframe>';
	}else{
		document.getElementById('pictureDIV').style.visibility = 'hidden';
		document.getElementById('pictureDIV').style.height = '0px';
		document.getElementById('pictureDIV').innerHTML = '';
	}
}

function MailWindow (adID){
	if(document.getElementById('emaildiv').style.visibility == 'hidden'){
		document.getElementById('emaildiv').style.visibility = 'visible';
		document.getElementById('emaildiv').style.height = '175px';
		document.getElementById('emaildiv').innerHTML = '<iframe src="index.php?x=mail_user&adID='+adID+'" width=500 height=175 border=0 frameborder=0 framespacing=0></iframe>';
	}else{
		document.getElementById('emaildiv').style.visibility = 'hidden';
		document.getElementById('emaildiv').style.height = '0px';
		document.getElementById('emaildiv').innerHTML = '';
	}
}

function backgroundImageUpload(picID){
	var target = document.getElementById('pic'+picID);
	var targetform = document.getElementById('picForm'+picID);
	
	if(target.value != 'undefined' && target.value != ''){
		var file = target.value;
		var totalLength = file.length;
     	if(file.substr(totalLength-4) == '.jpg' || file.substr(totalLength-4) == '.JPG'){
			targetform.submit();
		}else{
			alert('Alleen jpg files zijn toegestaan.');	
			location.href='index.php?x=upload_pictures';
		}
	}
}


function ge (id) {
	return document.getElementById (id);
}

function get_left (e) {
	x		= e.offsetLeft;
	pe	= e.offsetParent;
	while (pe != null) {
		x  += pe.offsetLeft;
		pe	= pe.offsetParent;
	}
	return x;
}

function get_top (e) {
	y		= e.offsetTop;
	pe	= e.offsetParent;
	while (pe != null) {
		y  += pe.offsetTop;
		pe	= pe.offsetParent;
	}
	return y;
}

/*** Tooltip functions ***/
function add_tt (element, text, cls) {
	var e					= ge (element);
	e.onmouseover	= function () { show_tt (element, text, cls); }
	e.onmouseout	= function () { hide_tt (); }
}

function show_tt (element, text, cls) {
	var e		= ge (element);
	var tt	= ge ('tooltip');
	if (e && tt && !e.disabled) {
		tt.style.display	= 'none';
		tt.innerHTML			= '<img src="'+text+'" border=0 class=border_black>';
		tt.style.left			= get_left (e) + e.offsetWidth + 2 + 'px';
		tt.style.top			= get_top (e) - 1 + 'px';
		tt.className			= cls ? cls:'';
		tt.style.display	= 'block';
		
	}
}

function hide_tt () {
	e = ge ('tooltip');
	if (e) e.style.display = 'none';
}

/* color picker */