Unity3D GUI.BeginScrollView用 javaScript

var scrollPosition:Vector2;

function Start () 
{
	scrollPosition[0] = 50;
	scrollPosition[1] = 50;
}

function OnGUI()
{
	scrollPosition = GUI.BeginScrollView(Rect(0,0,200,200),scrollPosition,Rect(0,0,Screen.width,300),true,true);
	GUI.Label(Rect(100,40,Screen.width,30),"Label");
	GUI.EndScrollView();
}