automatic generation of hyphen while entering date value

[sweetline priya]

in my project, the user can enter the date in the format of dd-mm-yyyy in the textbox. after entering the day value, automatic '-' (hyphen) has to be generated.. and after entering the month value also, '-' has to be automatically generated.. how to do this?

[acoder]

Use the onkeypress/onkeyup events to check the field value and add accordingly.