function op(URL, w, h, s) {
	var params = 'resizable=yes,toolbar=0,location=0,directories=0,status=0,menubar=0,scrollbars='
	params = params + s + ',copyhistory=0,width=' 
	params = params + w + ',height=' + h

	name = window.open(URL, 'window', params);
}

function setClassName(objId, className) {
    	document.getElementById(objId).className = className;
}