// JavaScript Document

if (document.images)
    {
      preload_image1 = new Image();
	  preload_image2 = new Image();
	  
      preload_image1.src="http://www.mtbachelornsp.org/ski-patrol/images/centerPhoto1.jpg"; 
	  preload_image2.src="http://www.mtbachelornsp.org/ski-patrol/images/centerPhoto2.jpg";
    }


function img1() {
    var pic = document.getElementById("centerPic");
    pic.src = preload_image1.src;
}

function img2() {
    var pic = document.getElementById("centerPic");
    pic.src = preload_image2.src;
}