function popUp(URL,w,h,scrollbars) {
newwindow=window.open('', '', 'toolbar=0,scrollbars=' + scrollbars + ',location=0,statusbar=0,menubar=0,resizable=0,width=' + w + ',height=' + h);
var tmp = newwindow.document;
tmp.write('Trueline Patios & Extensions');
tmp.write('');
tmp.write('');
tmp.write('');
tmp.close();
getWidth = screen.availWidth - 10;
getHeight = screen.availHeight -30;
widthPos = (getWidth-w) / 2;
heightPos = (getHeight-h) / 2;
newwindow.moveTo(widthPos,heightPos);
}