jQuery Wheel of fortune

// Requires jQuery Rotate Plugin - http://wilq32.googlepages.com/wilq32.rollimage222
$(function()
{
		var angle;
		function begin_rotation(override_angle)
		{
			// Generate random number between 15 and 35 for rotation distance
			amount = Math.floor(Math.random()*36);
			while(amount < 15)
			{
				amount = Math.floor(Math.random()*36);
			}
		
			angle = override_angle? override_angle : 0;
			rotate = setInterval(function(){do_rotation();}, 100);
		}
		
		// Initial Angle to rotate by
		
		
		function do_rotation()
		{
			if(amount < 1)
			{
				// Stop rotation
				clearInterval(rotate);
			}
			
			// Slow down rotation
			angle+=amount;
			amount = amount - 0.5;
			$('#cog').rotateAnimation(angle);
		}
		
		// begin_rotation();
		
		// Rotate when button / link is pressed
		$("#fortune").click(function()
		{
			begin_rotation(20);
		});
});