problem 2

var Player:MovieClip;
var jumpCount:Number;
var _isGrounded:Boolean;
var _solidsArray:Array = [sldTerrain1, sldTerrain2];

function applyMovement():void
{
    //handles velocity in the y direction
    if (_isGrounded == false)
    {
        Player.vy -= 1;
    }
    else
    {
        Player.vy = 0;
    }
}

function checkGrounded():void
{
    for (var i:int = 0; i < _solidsArray.length; i++)
    {
        if (Player.hitTestObject(_solidsArray[i].hitTop))
        {
            //if player is moving down
            if (Player.vy < 0)
            {
                _isGrounded = true;
                jumpCount = 0;
            }
        }
        else
        {
            _isGrounded = false;
        }
    }
}