From http://www.w3schools.com (Copyright Refsnes Data)

VBScript Right Function

The Right function returns a specified number of characters from the right side of a string.

Tip: Use the Len function to find the number of characters in a string.

Tip: Also look at the Left function.

Right(string,length)

Parameter	Description
string	Required. The string to return characters from
length	Required. Specifies how many characters to return. If set to 0, an empty string ("") is returned. If set to greater than or equal to the length of the string, the entire string is returned

Dim txt
txt="This is a beautiful day!"
document.write(Right(txt,11))

Output:

utiful day!

Dim txt
txt="This is a beautiful day!"
document.write(Right(txt,100))

Output:

This is a beautiful day!

Dim txt,x
txt="This is a beautiful day!"
x=Len(txt)
document.write(Right(txt,x))

Output:

This is a beautiful day!