var hearfive : Texture2D;
var hearfour : Texture2D;
var heartre : Texture2D;
var heartwo : Texture2D;
var hearone : Texture2D;
var health : float = 5;

function Update() {
    if(Input.GetButtonUp("Jump")) {
        health -= 1;
    }
    if (health >= 5) {
        guiTexture.texture = hearfive;
    }
    if (health >= 4) {
        guiTexture.texture = hearfour;
    }
    if (health >= 3) {
        guiTexture.texture = heartre;
    }
    if (health >= 2) {
        guiTexture.texture = heartwo;
    }
    if (health >= 1) {
        guiTexture.texture = hearone;
    }
}

function OnMouseDown(){
     Debug.Log("clicked");
}