if statements for animations js

Hey there,

I'm stuck trying to order my animations correctly. I;ve tried lots of ways to cut it, but can't get to work I'm trying to create various states for various actions such as :

When running, colliding with an object, when jumping, when in air colliding with an object and also a death animation.

Here's the code so far:

 ///For Character Animation
 
 var isHurt = false;
 var isDead = false;
  
 function Update(){
  
   var moveDir = transform.forward * speed; // calculate the horizontal speed
   
   if (!cc) cc = GetComponent(CharacterController); // get the CharacterController
   if(cc.isGrounded) {
 // when grounded...
     vSpeed = 0.0;
 
 //For stumble
       if (isHurt == true) {
 ///THIS DOESN'T     
               if (isDead == true) {
             Debug.Log("Animate Death");
               Peter_Run15.animation.CrossFade("Idle",0.15f);  
               }
 ///THIS WORKS              
       Debug.Log("Animate Stumble");
       Peter_Run15.animation.CrossFade("Idle",0.15f);
       TurnoffHurt();  
       }
 /// THIS WORKS     
 //For Jump
       if (Input.GetButton ("Jump")) {
               vSpeed = jumpSpeed; 
               Peter_Run15.animation.CrossFade("Jump",0.15f);
               }
 ///THIS WORKS
 //For Run
       else {if (isHurt == false) {
               //Animation code for the run
               Peter_Run15.animation.CrossFade("Run",0.15f);
               }
       }
       
 }
 
     if(!cc.isGrounded) {
 ///THIS DOESN'T WORK    
     if(isHurt == true) {
       Debug.Log("Animate Stumble");
       Peter_Run15.animation.CrossFade("Stumble",0.15f);
       TurnoffHurt();  
       }
  /// NOT SURE IF THIS WORKS     
        else {if (isHurt == false) {
       //Animation code for the run
       Peter_Run15.animation.CrossFade("Jump",0.15f);
       }}
       
      }
       
   vSpeed -= gravity*Time.deltaTime; // apply a physically correct gravity
   moveDir.y = vSpeed; // add the vertical speed
   cc.Move(moveDir*Time.deltaTime); // and finally move the character
 }
  
 
 ///ALL THIS THE BELOW IS WORKING; TURNING ON AND OFF variables
  ///Function to turn off Hurt trigger for animation
  function TurnOnHurt(){
          isHurt = true;
          Debug.Log("isHurt Turned ON");
          }
  
  function TurnoffHurt(){
         yield WaitForSeconds(0.480); // time in Seconds how long your stumble animation is or for how long you want to wait until this animation can be played again.
         isHurt = false;
         Debug.Log("isHurt Turned OFF");
         } 
         
 //Function for dead animation
 
 function StartDeadAnimation(){
           isDead = true;
           Debug.Log("isDead Turned ON");
           }  

Any help would be much appreciated.

Cheers,

Rich