function openHelp(url) {
var winl = (screen.width - 600) / 2;
var wint = (screen.height - 500) / 2;
winprops = 'height='+493+',width='+645+',top='+wint+',left='+winl+',resizable=no,scrollbars=yes,status=no,menubar=no,directories=no,toolbar=no'
myHelpWin = window.open(url, "popUp", winprops)
if (parseInt(navigator.appVersion) >= 4) { myHelpWin.window.focus(); }
}

function openCSPO(url) {
var winl = (screen.width - 600) / 2;
var wint = (screen.height - 500) / 2;
winprops = 'height='+493+',width='+645+',top='+wint+',left='+winl+',resizable=no,scrollbars=yes,status=no,menubar=no,directories=no,toolbar=no'
aboutWin = window.open(url, "popUp", winprops)
if (parseInt(navigator.appVersion) >= 4) { aboutWin.window.focus(); }
}

function openCredits(url) {
var winl = (screen.width - 600) / 2;
var wint = (screen.height - 500) / 2;
winprops = 'height='+493+',width='+645+',top='+wint+',left='+winl+',resizable=no,scrollbars=yes,status=no,menubar=no,directories=no,toolbar=no'
suppReading = window.open(url, "popUp", winprops)
if (parseInt(navigator.appVersion) >= 4) { suppReading.window.focus(); }
}

function openElements(url) {
var winl = (screen.width - 600) / 2;
var wint = (screen.height - 500) / 2;
winprops = 
'height='+493+',width='+645+',top='+wint+',left='+winl+',resizable=no,scrollbars=yes,status=no,menubar=no,directories=no,toolbar=yes'
suppReading = window.open(url, "elements", winprops)
if (parseInt(navigator.appVersion) >= 4) { suppReading.window.focus(); }
}