The lang. is JavaScript...
"Create a cross-browser (works in Firefox and MS IE) page that has the following headings:
a.Alternative row color table using ClassName
b.Input validation and error message
c.Hide on mouseover, show on mouse out
1.For item a, create a 10 rows by 3 column HTML table.
2.Then create two CSS rules called odd and even for which odd's background color is white an even's is yellow.
3.Next register a JavaScript function called ApplyAlternateRows with the onload event that iternates through the rows of the tables and applies the odd class to every odd table row and even class to every even table row"