var image = new Array(10);

	function pageloadImg()  {
		loadRandImgs();
		displayRandomImg();
	}
		
	function loadRandImgs()  {
		image[0] = 'block0.jpg';
		image[1] = 'block1.jpg';
		image[2] = 'block2.jpg';
		image[3] = 'block3.jpg';
		image[4] = 'block4.jpg';
		image[5] = 'block5.jpg';
		image[6] = 'block6.jpg';
		image[7] = 'block7.jpg';
		image[8] = 'block8.jpg';
		image[9] = 'block9.jpg';
	}
	
	function displayRandomImg()  {
		var ran_number=Math.round(Math.random()*4);
		var topImg = getElement('randomImg');
		topImg.src = 'images/blocks/' + image[ran_number];
	}