function openWin(URL) 
{
// If IE and Windows then...
    if (navigator.appName == "Microsoft Internet Explorer" & navigator.appVersion.indexOf("Win") != -1)  {
        windowPop = window.open(URL,'windowPop','toolbar=0,location=0,directories=0,status=1,menubar=0,scrollbars=1,resizable=0,width=380,height=345')

// if IE and Mac then...
    } else if (navigator.appName == "Microsoft Internet Explorer" & navigator.appVersion.indexOf("Mac") != -1)  {
        windowPop = window.open(URL,'windowPop','toolbar=0,location=0,directories=0,status=1,menubar=0,scrollbars=1,resizable=0,width=360,height=345')

// If NS and Windows then...
    } else if (navigator.appName == "Netscape" & navigator.appVersion.indexOf("Win") != -1)  {
       windowPop = window.open(URL,'windowPop','toolbar=0,location=0,directories=0,status=1,menubar=0,scrollbars=1,resizable=0,width=365,height=335')

// If NS and Mac then...
    } else if (navigator.appName == "Netscape" & navigator.appVersion.indexOf("Mac") != -1)  {
       windowPop = window.open(URL,'windowPop','toolbar=0,location=0,directories=0,status=1,menubar=0,scrollbars=1,resizable=0,width=350,height=325')

// If none of the above...
    } else {
       windowPop = window.open(URL,'windowPop','toolbar=0,location=0,directories=0,status=1,menubar=0,scrollbars=1,resizable=0,width=340,height=325')
    }
}