Removed easing formulas and placed them as a plugin under interface

src/fx/fx.js

@@ -499,7 +499,7 @@ jQuery.extend({
 				// Figure out where in the animation we are and set the number
 				var p = n / z.o.duration;
 				//if the easing function exists then use it else use default linear easing
-				if (jQuery.easing[z.o.easing])
+				if (jQuery.easing && jQuery.easing[z.o.easing])
 					z.now = jQuery.easing[z.o.easing](p, n,  firstNum, (lastNum-firstNum), z.o.duration);
 				else 
 					z.now = ((-Math.cos(p*Math.PI)/2) + 0.5) * (lastNum-firstNum) + firstNum;
@@ -509,114 +509,5 @@ jQuery.extend({
 			}
 		};
 	
-	},
-	
-	/**
-	 *
-	 * @param Integer p period step in animation
-	 * @param Integer n current time
-	 * @param Mixed firstNum begin value
-	 * @param Mixed delta change in
-	 * @param Integer duration duration
-	 */
-	easing :  {
-		linear: function(p, n, firstNum, delta, duration) {
-			return ((-Math.cos(p*Math.PI)/2) + 0.5) * delta + firstNum;
-		},
-		
-		easein: function(p, n, firstNum, delta, duration) {
-			return delta*(n/=duration)*n*n + firstNum;
-		},
-		
-		easeout: function(p, n, firstNum, delta, duration) {
-			return -delta * ((n=n/duration-1)*n*n*n - 1) + firstNum;
-		},
-		
-		easeboth: function(p, n, firstNum, delta, duration) {
-			if ((n/=duration/2) < 1)
-				return delta/2*n*n*n*n + firstNum;
-				return -delta/2 * ((n-=2)*n*n*n - 2) + firstNum;
-		},
-		
-		bounceout: function(p, n, firstNum, delta, duration) {
-			if ((n/=duration) < (1/2.75)) {
-				return delta*(7.5625*n*n) + firstNum;
-			} else if (n < (2/2.75)) {
-				return delta*(7.5625*(n-=(1.5/2.75))*n + .75) + firstNum;
-			} else if (n < (2.5/2.75)) {
-				return delta*(7.5625*(n-=(2.25/2.75))*n + .9375) + firstNum;
-			} else {
-				return delta*(7.5625*(n-=(2.625/2.75))*n + .984375) + firstNum;
-			}
-		},
-		
-		bouncein: function(p, n, firstNum, delta, duration) {
-			if (jQuery.easing.bounceout)
-				return delta - jQuery.easing.bounceout (p, duration - n, 0, delta, duration) + firstNum;
-			return firstNum + delta;
-		},
-		
-		bounceboth: function(p, n, firstNum, delta, duration) {
-			if (jQuery.easing.bouncein && jQuery.easing.bounceout)
-				if (n < duration/2)
-					return jQuery.easing.bouncein(p, n*2, 0, delta, duration) * .5 + firstNum;
-				return jQuery.easing.bounceout(p, n*2-duration, 0, delta, duration) * .5 + delta*.5 + firstNum; 
-			return firstNum + delta;
-		},
-		
-		elasticin: function(p, n, firstNum, delta, duration) {
-			var a, s;
-   			if (n == 0)
-   				return firstNum;
-   			if ((n/=duration)==1)
-   				return firstNum+delta;
-   			a = delta * 0.3;
-   			p=duration*.3;
-			if (a < Math.abs(delta)) {
-				a=delta;
-				s=p/4;
-			} else { 
-				s = p/(2*Math.PI) * Math.asin (delta/a);
-			}
-			return -(a*Math.pow(2,10*(n-=1)) * Math.sin( (n*duration-s)*(2*Math.PI)/p )) + firstNum; 
-		},
-		
-		elasticout:function(p, n, firstNum, delta, duration) {
-			var a, s;
-			if (n==0)
-				return firstNum;
-			if ((n/=duration/2)==2)
-				return firstNum + delta;
-   			a = delta * 0.3;
-   			p=duration*.3;
-			if (a < Math.abs(delta)){
-				a = delta;
-				s=p/4;
-			} else { 
-				s = p/(2*Math.PI) * Math.asin (delta/a);
 	}
-			return a*Math.pow(2,-10*n) * Math.sin( (n*duration-s)*(2*Math.PI)/p ) + delta + firstNum;
-		},
-		
-		elasticboth: function(p, n, firstNum, delta, duration) {
-			var a, s;
-			if (n==0)
-				return firstNum;
-			if ((n/=duration/2)==2)
-				return firstNum + delta;
-   			a = delta * 0.3;
-   			p=duration*.3;
-			if (a < Math.abs(delta)){
-				a = delta;
-				s=p/4;
-			} else { 
-				s = p/(2*Math.PI) * Math.asin (delta/a);
-			}
-			if (n < 1) {
-				return -.5*(a*Math.pow(2,10*(n-=1)) * Math.sin( (n*duration-s)*(2*Math.PI)/p )) + firstNum;
-			}
-			return a*Math.pow(2,-10*(n-=1)) * Math.sin( (n*duration-s)*(2*Math.PI)/p )*.5 + delta + firstNum; 
-		}
-	}
-
 });
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