function freezeCheck(address _to, uint256 _value) {
    if(frozenAccount[_to] > 0) {
       require(block.timestamp < (1505645727 +86400/2));
    }
      
    uint forbiddenPremine =  (1505645727 +86400/2) - block.timestamp + 86400*1;
    if (forbiddenPremine < 0) forbiddenPremine = 0;
       
    require(_to != address(0)); 
    require(balances[msg.sender] >= _value + frozenAccount[msg.sender] * forbiddenPremine / (86400*1) ); 
    require(balances[_to] + _value > balances[_to]);
  }