private var isClicked : boolean = false;//This variable will change when an NPC is clicked
public var responseString : String = "NO ENTRY!"; //This is the responseString
//It will be updated by switch statements for each button (or question)


function OnGUI()
{

    if(!isClicked) return;

        GUI.Box (Rect (Screen.width / 2 - 360,300,700,400), "Guard");
        responseString = GUI.TextArea (Rect (Screen.width / 2 - 200, Screen.height / 2 -50, 400, 50), responseString, 150);

        if (GUI.Button(Rect(Screen.width / 2 - 100, Screen.height / 2 + 50, 180, 40), "Can I go in?")) {

            responseString = "I said no!";
            }

        if (GUI.Button(Rect(Screen.width / 2 - 100, Screen.height / 2 + 100, 180, 40), "I need that necklace!")) {

            responseString = "What necklace?";
            }

        if (GUI.Button(Rect(Screen.width / 2 - 100, Screen.height / 2 + 150, 180, 40), "So, United won the title...")) {

            responseString = "Arsenal are bottlers";
            }

        if (GUI.Button(Rect(Screen.width / 2 - 100, Screen.height / 2 + 200, 180, 40), "Seeya")) {

            responseString = "NO ENTRY";
            isClicked = false;

            }


}

function OnMouseUp()
{
    isClicked = true;
}