var RAND = 23;
	var CORRECT;
	var DIRECTIONS = "DIRECTIONS: Write the coordinates for each grid.";
     	SHAPENAME = new Array ("(0,3)","(0,6)","(2,3)","(1,2)","(1,7)","(2,5)","(2,2)","(2,7)","(3,1)","(3,4)","(3,6)","(3,7)","(4,2)","(4,3)","(4,5)","(5,0)","(5,3)","(5,4)","(5,7)","(6,0)","(7,1)","(7,3)","(7,4)","(7,7)")
	SCREENIMAGE = new Array ("grshap0.gif","grshap1.gif","grshap2.gif","grshap3.gif","grshap4.gif","grshap5.gif","grshap6.gif","grshap7.gif","grshap8.gif","grshap9.gif","grshap10.gif","grshap11.gif","grshap12.gif","grshap13.gif","grshap14.gif","grshap15.gif","grshap16.gif","grshap17.gif","grshap18.gif","grshap19.gif","grshap20.gif","grshap21.gif","grshap22.gif","grshap23.gif","grshap24.gif","grshap25.gif","grshap26.gif","grshap27.gif","grshap28.gif","grshap29.gif","grshap30.gif","grshap31.gif","grshap32.gif","grshap33.gif");

      	function GetShape() 
	{
		for (i = 0; i < 5; i++)
		{
			NUMBER = Math.random() * RAND
        		 NUMBER = Math.round (NUMBER);
			NUMBER1 = Math.random() * RAND
        		 NUMBER1 = Math.round (NUMBER1);
			NUMBER2 = Math.random() * RAND
        		 NUMBER2 = Math.round (NUMBER2);
			NUMBER3 = Math.random() * RAND
        		 NUMBER3 = Math.round (NUMBER3);
			if (NUMBER == NUMBER1 || NUMBER == NUMBER2 || NUMBER == NUMBER3 || NUMBER1 == NUMBER2 || NUMBER1 == NUMBER3 || NUMBER2 == NUMBER3)
			{
				i = 1;
			}
			else
			{
				break;
			}
		}
    		document.images.SHAPE1.src  = SCREENIMAGE[NUMBER];
    		document.images.SHAPE2.src  = SCREENIMAGE[NUMBER1];
    		document.images.SHAPE3.src  = SCREENIMAGE[NUMBER2];
    		document.images.SHAPE4.src  = SCREENIMAGE[NUMBER3];
		CORRECT = "1. " + SHAPENAME[NUMBER] + "&nbsp;&nbsp;&nbsp;2. " + SHAPENAME[NUMBER1] + "&nbsp;&nbsp;&nbsp;3. " + SHAPENAME[NUMBER2] + "&nbsp;&nbsp;&nbsp;4. " + SHAPENAME[NUMBER3];
	}