// ROLL OVER IMAGES FOR THE MAIN NAV
	//...................................
	var images = new Array(12);

	
	
	// ALT NAV OVER
	images[0] = "images/nav1_01.jpg";
	images[1] = "images/nav1_02.jpg";
	images[2] = "images/nav1_03.jpg";
	images[3] = "images/nav1_04.jpg";
	images[4] = "images/nav1_05.jpg";
	images[5] = "images/nav1_06.jpg";	
	
	// ALT NAV OFF
	images[6] = "images/nav0_01.jpg";
	images[7] = "images/nav0_02.jpg";
	images[8] = "images/nav0_03.jpg";
	images[9] = "images/nav0_04.jpg";
	images[10] = "images/nav0_05.jpg";
	images[11] = "images/nav0_06.jpg";

	preloadImages();
							

	/**
	 * Load the rollover images for the nav
	 */
	function preloadImages(){
		var preloaded = new Array(images.length);
		for(var i = 0; i < images.length; i++){
			preloaded[i] = new Image();
			preloaded[i].src = images[i];
		}
	}

	/**
	 * Change the image source.
	 */	
	function nav_changeImage(imgId, src){
		buildObject(imgId).src = "/" + src;
	}




	/**
	 * Get an object by id.
	 */
	function buildObject(name){
		  if (document.getElementById){
			return document.getElementById(name);
		  }
		  else if (document.all){
			return document.all[name];
		  }
		  else if (document.layers){
			return document.layers[name];
		  }
	}	
	
	
	/**
	 * Popup content.
	 */
	 function popWindow(url, height, width){
		 window.open (url, "the_hearth_pop","menubar=0,resizable=1,width=" + width + ",height=" + height); 	 
	 }