I GOT AN ERROR WHEN I RUN MY APPL WITH JAVASCRIPT VALIDATIONS

I USED TO WRITE THE APPLICATION IN ASP 3.5 USING JAVA SCRIPT VALIDATIONS.
WHEN I RUN MY APPLICATION IT SHOWS AN ERROR AS JSCRIPT RUNTIME ERROR
N I ALSO CHECKED THE BROWSER COMPATIBILITIES N I ENABLED SCRIPT TYPES IN MY BROWSER
BUT IT IS SHOWING A MSGBOX WITH BUTTONS BREAK ,CONTINUE  N  JSCRIPT
N IT WON'T VALIDATE MY APPL WAT CHANGES I HAV TO MADE PLZ SUGGEST ME