//Fade/highlight
jQuery.fn.highlight = function(color, speed, easing, callback) {
 	   
 	        /* current color of the element */
 	        var originalColor = jQuery(this).css('backgroundColor');
 	       
 	        /* find the first "real" color from the parent elements */
 	        var parentEl = this.parentNode;
 	        while(originalColor == 'transparent' && parentEl) {
 	                originalColor = jQuery(parentEl).css('backgroundColor');
 	                parentEl = parentEl.parentNode;
 	        }
 	       
 	        /* swap element to the highlight color */
 	        jQuery(this).css('backgroundColor', color);
 	       
 	        /* in IE, style is an object */
 	        if(typeof this.oldStyleAttr == 'object') {
 	            this.oldStyleAttr = this.oldStyleAttr["cssText"];
 	        }
 	       
 	        /* animate back to the original color */
 	        jQuery(this).animate(
 	                {'backgroundColor':originalColor},
 	                speed,
 	                easing,
 	                callback
 	        );
};