Script errors are confusing me

Questions & Answers
1

These script errors are usually straight forward when it comes to misspelling or when something was expected or unexpected. However some of these are just that but i try fixing them and they dont make since to me. Here is my script for a minecraft game i am making. Also a list of my errors.

ERRORS
Assets/Scripts/BlockMaker.js(23,36): BCE0044: expecting ), found ‘.’.

Assets/Scripts/BlockMaker.js(23,56): BCE0044: expecting ), found ‘,’.

Assets/Scripts/BlockMaker.js(23,57): UCE0001: ‘;’ expected. Insert a semicolon at the end.

Assets/Scripts/BlockMaker.js(23,57): BCE0043: Unexpected token: LookingDirection.

Assets/Scripts/BlockMaker.js(23,75): BCE0043: Unexpected token: Hit.

Assets/Scripts/BlockMaker.js(23,80): BCE0043: Unexpected token: Range.

Assets/Scripts/BlockMaker.js(26,17): BCE0043: Unexpected token: }.

Assets/Scripts/BlockMaker.js(37,1): BCE0044: expecting }, found ‘’.

SCRIPT

var GrassBlock : Transform;
var StoneBlock : Transform;
var BlockSelected : float = 1;
var Range : float = 20;

function Update () 
{
if (Input.GetKeyDown(KeyCode.Q))
	{
		BlockSelected -= 1;
	}

if (Input.GetKeyDown(KeyCode.e))
	{
		BlockSelected += 1;
	}
	
if (Input.GetMouseButtonDown(0) || Input.GetMouseButtonDown(1))
	{
		var Hit : RaycastHit;
		var LookingDirection = transform.TransformDirection(Vector3.forward);
		
		if (Physics.Raycast.(transform.position,LookingDirection, Hit, Range));
		{
		if (Input.GetMouseButtonDown(1))
		}
		
		if (BlockSelected == 1)
		{
		var GrassBlock : Transform = Instantiate(GrassBlock, Hit.collider.trasform.position + Hit.normal.normalized, Quarternion.identity);
		GrassBlock.tag = "GrassBlock";
		}
	}
	
	
}
2

Get rid of dot after Raycast on 23 see if that clears the rest up