var CL_Zebra=new Class({initialize:function(B,A){this.options={"zebraClasses":[],"addOverState":null};if(!$chk(B)){return }this.zElm=B;this.options=$merge(this.options,A||{});this.zSteps=this.options.zebraClasses.length;this.zPos=0;this.apply()},apply:function(){this.zElm.each(function(B){if(this.zPos>=this.zSteps){this.zPos=0}if(this.options.zebraClasses[this.zPos]){B.addClass(this.options.zebraClasses[this.zPos])}if(this.options.addOverState!=null){var A=this.options.addOverState}B.addEvent("mouseover",function(){this.addClass(A)}).addEvent("mouseout",function(){this.removeClass(A)});this.zPos++}.bind(this))}})