function zoom(url, 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(url,"Zoom",winopts);
	smallwindow.focus();
}
function sanitair(url) {
	theWidth = 700;
	theHeight = 650;
	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(url,"Sanitair",winopts);
	smallwindow.focus();
}
function badkamer(url) {
	theWidth = 700;
	theHeight = 340;
	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(url,"Badkamer",winopts);
	smallwindow.focus();
}
function doPrint(id) {
	theWidth = 600;
	theHeight = 500;
	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(id+"?print=Y","PrintvriendelijkeVersie",winopts);
	smallwindow.focus();
}