<!--

function newImage(arg) {
	if (document.images) {
		rslt = new Image();
		rslt.src = arg;
		return rslt;
	}
}

function changeImages() {
	if (document.images && (preloadFlag == true)) {
		for (var i=0; i<changeImages.arguments.length; i+=2) {
			document[changeImages.arguments[i]].src = changeImages.arguments[i+1];
		}
	}
}

var preloadFlag = false;
function preloadImages() {
	if (document.images) {
		nhome_over = newImage("images/nhome-over.gif");
		nabout_over = newImage("images/nabout-over.gif");
		nservices_over = newImage("images/nservices-over.gif");
		npinn_over = newImage("images/npinn-over.gif");
		npatients_over = newImage("images/npatients-over.gif");
		ncontact_over = newImage("images/ncontact-over.gif");
		nnews_over = newImage("images/nnews-over.gif");
		nsitemap_over = newImage("images/nsitemap-over.gif");
		preloadFlag = true;
	}
}

    if (document.images)
    {
      preload_image_object = new Image();
      // set image url
      image_url = new Array();
      image_url[0] = "images/splashintro.jpg";
      image_url[1] = "images/splashintro2.jpg";
      image_url[2] = "images/splashintro3.jpg";
      image_url[3] = "images/splashintro4.jpg";

       var i = 0;
       for(i=0; i<=3; i++) 
         preload_image_object.src = image_url[i];
    }
  
  
// -->