function newWindow(mypage,w,h,scrollbars) {
    var winl = (screen.width - w) / 2;
    var wint = (screen.height - h) / 2;
    winprops = 'height='+h+',width='+w+',top='+wint+',left='+winl+',scrollbars='+scrollbars+',status=yes'
    win = window.open(mypage, "_blank", winprops)
    if (parseInt(navigator.appVersion) >= 4) { win.window.focus(); }
    return win;
}
	
function printPopup(url){
    return newWindow(url,700,700,'yes');
}

function popUp(url) {
    return newWindow(url,320,240,'no');
}