// if (top.frames.length != 0) top.location=self.location;

function NewWindow(mypage,myname,w,h,scroll)
{
 var win = null;
 LeftPosition = (screen.width) ? (screen.width-w)/2 : 0;
 TopPosition = (screen.height) ? (screen.height-h)/4 : 0;
 settings = 'height='+h+',width='+w+',top='+TopPosition+',left='+LeftPosition+',scrollbars='+scroll;
 win = window.open(mypage,myname,settings);
}