/**
 * Common JavaScript functions and page initialization
 */
 
// preload( '01.gif', '02.gif' ); 
function preload() { 
  var imageDirectory = "/images/";
  var args = preload.arguments;
  document.imageArray = new Array(args.length);
  for(var i=0; i<args.length; i++) {
    document.imageArray[i] = new Image;
    document.imageArray[i].src = imageDirectory + args[i];
  }
}

// swap image for hover/non-hover image
function swap(el, src) {
	el.src = "/images/" + src;
}

preload('nav_home-hover.png', 'nav_services-hover.png', 'nav_servicerequest-hover.png',
			'nav_faq-hover.png', 'nav_contact-hover.png', 'nav_about-hover.png');