function msieversion()
// return Microsoft Internet Explorer (major)
// version number, or 0 for others.
// This function works by finding the "MSIE "
// string and extracting the version number
// following the space, up to the decimal point
// for the minor version, which is ignored.
{
var ua = window.navigator.userAgent
var msie = ua.indexOf ( "MSIE " )
if ( msie > 0 ) // is Microsoft Internet Explorer; return version number
return parseInt ( ua.substring ( msie+5, ua.indexOf ( ".", msie ) ) )
else
return 0 // is other browser
}
var alpha = ""
var beta = ""
var lambda = ""
var nu = ""
var pi = ""
var sigma = ""
var Delta = ""
if (msieversion() >= 4) {
alpha = "α"
beta = "β"
gamma = "γ"
lambda = "λ"
nu = "ν"
pi = "π"
Delta = "Δ"
}
else {
alpha = '
'
beta = '
'
gamma = '
'
lambda = '
'
nu = '
'
pi = '
'
sigma = '
'
Delta = '
'
}