function mailContact(contactUserID,entryID){
	var txtWidth = 500;
	var txtHeight = 40;
	var iframeHeight = 280;
	
	objLink = document.createElement("a");
	objLink.href = "http://" + document.domain + "/img/spacer.gif";
	
	var objOverlay = document.getElementById('overlay');
	var objLightbox = document.getElementById('lightbox');
	var objCaption = document.getElementById('lightboxCaption');
	var objImage = document.getElementById('lightboxImage');
	var objLoadingImage = document.getElementById('loadingImage');
	var objLightboxDetails = document.getElementById('lightboxDetails');
	
	var objKeyboardMsg = document.getElementById('keyboardMsg');
	
	objKeyboardMsg.style.display = 'none';
	
	var arrayPageSize = getPageSize();
	var arrayPageScroll = getPageScroll();
	if (objLoadingImage) {
		objLoadingImage.style.top = (arrayPageScroll[1] + ((arrayPageSize[3] - 35 - objLoadingImage.height) / 2) + 'px');
		objLoadingImage.style.left = (((arrayPageSize[0] - 20 - objLoadingImage.width) / 2) + 'px');
		objLoadingImage.style.display = 'block';
	}
	objOverlay.style.height = (arrayPageSize[1] + 'px');
	objOverlay.style.display = 'block';
	imgPreload = new Image();
	imgPreload.onload=function(){
		objImage.src = objLink.href;
		var lightboxTop = arrayPageScroll[1] + ((arrayPageSize[3] - 35 - iframeHeight) / 2);
		var lightboxLeft = ((arrayPageSize[0] - 20 - txtWidth) / 2);
		objLightbox.style.top = (lightboxTop < 0) ? "0px" : lightboxTop + "px";
		objLightbox.style.left = (lightboxLeft < 0) ? "0px" : lightboxLeft + "px";
		objLightboxDetails.style.width = txtWidth + 'px';
		if(objLink.getAttribute('title')){
			objCaption.style.display = 'block';
			objCaption.innerHTML = objLink.getAttribute('title');
		} else {
			objCaption.style.display = 'none';
		}
		if (navigator.appVersion.indexOf("MSIE")!=-1){
			pause(250);
		} 
		if (objLoadingImage) {	objLoadingImage.style.display = 'none'; }
		selects = document.getElementsByTagName("select");
        for (i = 0; i != selects.length; i++) {
                selects[i].style.visibility = "hidden";
        }
		objLightbox.style.display = 'block';
		arrayPageSize = getPageSize();
		objOverlay.style.height = (arrayPageSize[1] + 'px');
		return false;
	}
	imgPreload.src = objLink.href;

	var objTxt = document.getElementById('lightboxTxt');
	objTxt.style.width = txtWidth+'px';
	objTxt.style.height = txtHeight+'px';
	objTxt.style.display = 'block';
	
	var txtTxt = "";
	txtTxt += "<h4>Stuur een e-mail naar de adverteerder<h4>";
	txtTxt += "<div>&nbsp;</div>";
	objTxt.innerHTML = txtTxt;
	
	var iframeurl = "http://" + document.domain + "/verstuurmail.php?contactUserID="+contactUserID;
	if(entryID) {iframeurl += "&entryID="+entryID};
	
	var objIframe = document.getElementById('lightboxIframe');
	objIframe.style.width = '490px';
	objIframe.style.height = '250px';
	objIframe.style.display = 'block';
	objIframe.src = iframeurl;
}