/** Function getRandomNum
 ** --------------------------------
 ** Parameters:
 ** 	- lbound: lower bound for the random range
 **     - ubound: upper bound for the random range
 ** Returns:
 ** 	- a random number between lbound and ubound
 **/
function getRandomNum(lbound, ubound) 
{
	return (Math.floor(Math.random() * (ubound - lbound)) + lbound);
}