unable to call two functions on javascript onclick event -

i want call 2 javascript functions, using

<input type="submit" values="submit" onclick="return mandatorycheck(); submitscore();"> 

but submitscore() function didn't execute. need help...

assuming performing validation check in mandatorycheck() , returning true/false. should use && operator

use

<input type="submit" values="submit" onclick="return mandatorycheck() && submitscore();">