<div id="last_event_on_map">
 <div style="width: 990px; margin: 5px auto; font-family: 'Open Sans Condensed';">
      <div style="color: #df717b; font-size: 14px; float: left;">СОБЫТИЯ:</div>
      <div style="color: white; font-size: 15px; font-weight: 700px; margin-left: 80px; width: 50%; height: 19px; overflow: hidden; position: relative;">
          <div class="event" style="left: 0%; position: absolute; top: 0px;">строка 1</div>
          <div class="event" style="left: 100%; position: absolute; top: 0px;">строка 2</div>
      </div>
 </div>
</div>

    jQuery(window).load(function(){
        setInterval(function(){
            jQuery(".event").animate(
            {left: "-=100%"}, 
            {
                duration: 2000,
                easing: "easeOutElastic",
                complete: function(){
                    if (jQuery(this).css("left").substr(0,1)=="-"){
                     jQuery(this).css("left", (parseInt(jQuery(this).parent().find(".event").last().css("left"))+100)+"%").appendTo(jQuery(this).parent());
                    }
                }
            }
        ); 
        }, 5000);
    });

        jQuery.extend( jQuery.easing, {
            def: 'easeOutQuad',
            easeOutQuad: function (x, t, b, c, d) {
                    return -c *(t/=d)*(t-2) + b;
            },
            swing: function (x, t, b, c, d) {
                    //alert(jQuery.easing.default);
                    return jQuery.easing[jQuery.easing.def](x, t, b, c, d);
            },
            easeOutElastic: function (x, t, b, c, d) {
                var s=1.70158;var p=0;var a=c;
                if (t==0) return b;  if ((t/=d)==1) return b+c;  if (!p) p=d*.3;
                if (a < Math.abs(c)) { a=c; var s=p/4; }
                else var s = p/(2*Math.PI) * Math.asin (c/a);
                return a*Math.pow(2,-10*t) * Math.sin( (t*d-s)*(2*Math.PI)/p ) + c + b;
            }
        });