function PopUp(url, name, width, height, center, resize, scroll, posleft, postop) {
if (posleft != 0) { x = posleft }
if (postop  != 0) { y = postop  }
if (!scroll) { scroll = 1 }
if (!resize) { resize = 1 }
if ((parseInt (navigator.appVersion) >= 4 ) && (center)) {
X = (screen.width  - width ) / 2;
Y = (screen.height - height) / 2;
}
if (scroll != 0) { scroll = 1 }
var Win = window.open( url, name, 'width='+width+',height='+height+',top='+Y+',left='+X+',resizable='+resize+',scrollbars='+scroll+',location=no,directories=no,status=no,menubar=no,toolbar=no');	
}