var CSSColumns = {
    maxHeight: 0,
    els: new Array(),
    equalise: function(){
      for (var i=0;i<arguments.length;i++) if (!$(arguments[i])) return;
      for(var i=0;i<arguments.length;i++) {
        this.els.push($(arguments[i]));
      }

      this.maxHeight = this.calcMaxHeight();
      for(var i=0;i<this.els.length;i++) {
        this.els[i].style.height = this.maxHeight + "px";
      }
    },   

    calcMaxHeight: function(){
      var h = 0;
      for(var i=0;i<this.els.length;i++) {
        if(this.els[i].getHeight()>h) {
            h=this.els[i].getHeight();
        }
      }
      return h;
    }
}