how to set a 700 to 0700

[nezbo]

i have the got a var and i want to make it 4 number long...

 

e.g. if i have 700 i want to make it 0700.

 

is there a function or class to do this ?

 

 

[Psycho]

Assuming your var is named value:

value = '0000' + value;
value = value.substr(value.length-4, 4);