function deleteItem(theLink, item, itemnaam){
    var is_confirmed = confirm('Weet u zeker dat u ' + itemnaam + ' : ' + item + ' wilt verwijderen:');
    if (is_confirmed) {
        theLink.href += '&confirmed=1';
    }
    return is_confirmed;
}

function MM_openBrWindow(theURL,winName,features) { //v2.0
  window.open(theURL,winName,features);
}

function SImg(img, width, height){
	url="showImage.php?img=" + img;
	MM_openBrWindow(url, '', 'width=' + width +',height=' + height);
}

function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}

function ahah(url, email, showTekst) {
    if (window.XMLHttpRequest) {
        req = new XMLHttpRequest();
        req.onreadystatechange = function () {
        	if(req.readyState == 4){
			alert(email + ' ' + showTekst); 
        	}
        }
        req.open("GET", url, true);
        req.send(null);
    } else if (window.ActiveXObject) {
        req = new ActiveXObject("Microsoft.XMLHTTP");
        if (req) {
            req.onreadystatechange = alert(email + ' ' + showTekst);
            req.open("GET", url, true);
            req.send();
        }
    }
}

function FV(fld){
 	field=document.getElementById(fld);
 	var ret = eval('field.value');
 	return ret;
}

function previewImage(url, width, height) {
	document.body.style.height = "100%";
	var overlayDiv = document.createElement('div');
	overlayDiv.id = "overlay";
	var version = navigator.userAgent;
	var findFirefox = version.indexOf('Firefox');
	var findIE6 = version.indexOf('MSIE 6');

	if (findIE6 != -1) {
	   overlayDiv.style.position = "absolute";
	   overlayDiv.style.height = document.body.clientHeight;
	   overlayDiv.style.width = document.body.clientWidth;
	} 

	else {
	   overlayDiv.style.height = "100%";
	   overlayDiv.style.position = "fixed";
	   overlayDiv.style.width = "100%";
	}

	document.body.style.overflow = "visible";
	overlayDiv.style.background = "#ffffff none repeat scroll 0 0";
	overlayDiv.style.top = "0";
	overlayDiv.style.left = "0";
	overlayDiv.style.right = "0";
	overlayDiv.style.bottom = "0";
	overlayDiv.style.opacity = ".65";
	overlayDiv.style.filter = "alpha(opacity=65)";
	overlayDiv.style.zIndex = "1";
	

	document.body.appendChild(overlayDiv);

	var popUpDiv = document.createElement('div');
	popUpDiv.id = 'imagePreview';
	if (findIE6 != -1) {
		popUpDiv.style.position = "absolute";
	} else {
		popUpDiv.style.position = "fixed";
	}
	popUpDiv.style.top = "100px";
	popUpDiv.style.left= "50%"; 
	popUpDiv.style.width = width + "px"; 
	popUpDiv.style.height = height + "px";
	var fMarginLeft =  - Math.round(width / 2);
	popUpDiv.style.marginLeft = fMarginLeft + "px";
	popUpDiv.style.padding = "0px";
	popUpDiv.style.backgroundColor = "#FFFFFF";
	popUpDiv.style.border = "1px solid #a9025a";
	popUpDiv.style.zIndex = "2";
	document.body.appendChild(popUpDiv);

	ahahObject(url, popUpDiv);
	
	var x = document.getElementById('imagePreview');
	x.innerHTML = "hoi";

}

function hidePreview() {
	document.body.removeChild(document.getElementById('overlay'));
	document.body.removeChild(document.getElementById('imagePreview'));
}