function signupUserWhitelist(address[] _userlist, uint256 _amttype) public onlyAdmin{
    	require(_userlist.length > 0);
    	uint256 useamt = _amttype * (10 ** uint256(decimals));
    	for (uint256 i = 0; i < _userlist.length; i++) {
    		if(_userlist[i] != address(0)){
    			token.transfer(_userlist[i], useamt);
    		}
    	}
    }