// JScript File


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