function windowOpener(pic, title, width, height) {
if(typeof(popupWin) != "object" || popupWin.closed) {
popupWin = window.open(pic,'portfolio','scrollbars=no,status=no,width=536,height=450');
} else {
popupWin.location.href = pic;
}
popupWin.focus();
popupWin.width=width;
popupWin.height=height;
}