function swapImage(imgU,txtA){
	document.getElementById('imgGroot').src=imgU;
	document.getElementById('fotoonderschrift').innerHTML=txtA;
}

function openWindow(URL) {
 var iMyWidth;
 var iMyHeight;
 iMyWidth = (window.screen.width/2) - (230 + 12); 
 iMyHeight = (window.screen.height/2) - (170 + 10);
 popupWin = window.open(URL,"360foto","status=no,height=340,width=460,resizable=no,left=" + iMyWidth + ",top=" + iMyHeight + ",screenX=" + iMyWidth + ",screenY=" + iMyHeight + ",scrollbars=no");
	popupWin.focus();
}