DrawImageRect preventing HTML5 from working

Strict 
Import mojo

'Main program
Function Main:Int()
  New Bug_c()
  Return 0                   
End

'Main bug example
Class Bug_c Extends App
           
	Const iFRAME_RATE:Int = 30
	
	Field cImg:Image=Null

	
	Method OnCreate:Int()
		SetUpdateRate iFRAME_RATE
		cImg=CreateImage(64,64)     'Make a empty image (white)
		Return 0
	End
	
	
	Method OnRender:Int()
		Cls 100,120,130 										'Colour the backgground so we can see the above image
		DrawImage cImg,8,8    							'Shows that the image is valid
		DrawImageRect cImg,8,88,0,0,64,64   'Works on all as far as i can tell
		
		DrawImageRect cImg,88,88,0,0,65,65 	'Stops all drawing! - debug shows nothing	
		'NOTE: The above command is using a area bigger then the size of the sprite
		
		Return 0
	End 
End 

Monkey Runtime Error : DOM Exception: INDEX_SIZE_ERR (1)
C:/Development/Monkey/MonkeyPro67a/modules/mojo/graphics.monkey<490>
C:/Users/SGreener/Desktop/Turtles/DrawImageRectBug.monkey<32>
C:/Development/Monkey/MonkeyPro67a/modules/mojo/app.monkey<71>

Monkey Runtime Error: Error: INDEX_SIZE_ERR: DOM Exception 1