$(document).ready(function(){
  $("#left").css("display", "none");
  $("#left").click(function(){
    $("#right").css("display", "block");
    var curr_pos = $("#inner_carousel").position();
    alert(curr_pos.left);
    if (curr_pos.left = "118") {
      $("#left").css("display", "none");
      $("#right").css("display", "block");
      return false;
    }
      
    $("#inner_carousel")
      .css("left", curr_pos.left + 118 + "px");
  });
  $("#right").click(function(){
  	$("#left").css("display", "block");
    var curr_pos = $("#inner_carousel").position();
    if (curr_pos.left < "-590") {
      $("#right").css("display", "none");
      return false;
    }
    $("#inner_carousel")
      .css("left", curr_pos.left - 118 + "px");
  });
});


function addLoadEvent(func) {
  var oldonload = window.onload;
  if (typeof window.onload != 'function') {
    window.onload = func;
  } else {
    window.onload = function() {
      oldonload();
      func();
    }
  }
}

document.getElementsByClassName = function(name) {
  var results = new Array();
  var elems = document.getElementsByTagName("*");
  for (var i=0; i<elems.length; i++) {
    if (elems[i].className.indexOf(name) != -1) {
      results[results.length] = elems[i];
    }
  }
  return results;
};