function newWindow(url, height, width) {

    nameW='feature'

 if (navigator.appVersion.indexOf('4') != -1) {

 // Vars for centering the new window on Version 4 Browsers

 xTop = screen.width/2 - (width/2);

 yTop = screen.height/2 - (height/2);

 window.open(url, nameW, 'height='+height+',width='+width+',scrollbars=0,resizable=0,menubar=0,toolbar=0,status=0,location=0,directories=0,left=' + xTop + ',top=' + yTop + '');

 } else {

 window.open(url, nameW, 'height='+height+',width='+width+',scrollbars=0,resizable=0,menubar=0,toolbar=0,status=0,location=0,directories=0,left=150,top=200');

 }

}