>>Why is it necessary that only one message would be marked as solution? In real world a problem often has more than one solution.
>
>Yes, that could occur but here, it's only one.
I didn't realize that "here" is a different world <g>
"The creative process is nothing but a series of crises." Isaac Bashevis Singer
"My experience is that as soon as people are old enough to know better, they don't know anything at all." Oscar Wilde
"If a nation values anything more than freedom, it will lose its freedom; and the irony of it is that if it is comfort or money that it values more, it will lose that too." W.Somerset Maugham