window.onload = function() {
	
	buttons();
	
}

function buttons() {

	if(document.getElementById("searchbutton")) {
		document.getElementById("searchbutton").onclick = function() {
			if(document.searchForm.q.value.length > 0) {
				document.searchForm.submit();
			}
			else {
				alert("Gelieve een zoekstring in te vullen.");
				return false;
			}	
		}
	}
	
}

function zoom(img, width, height) {
	theWidth = width;
	theHeight = height;
	theTop = Math.ceil((screen.height-theHeight*1.5)/2);
	theLeft = Math.ceil((screen.width-theWidth)/2);
	winopts = "toolbar=0,location=0,directories=0,status=0,menubar=0,scrollbars=yes,resizable=yes,copyhistory=0,width="+theWidth+",height="+theHeight+",top="+theTop+",left="+theLeft;
	smallwindow=window.open("/zoom.dhtml?img="+img,"Zoom",winopts);
	smallwindow.focus();
}