if (document.images) { 
	  img1on=new Image();
  	img1on.src="images/nav_home_on.jpg";
		img2on=new Image();
    img2on.src="images/nav_desc_on.jpg";
		img3on=new Image();
    img3on.src="images/nav_book_on.jpg";
		img4on=new Image();
    img4on.src="images/nav_serv_on.jpg";
		img5on=new Image();
    img5on.src="images/nav_dir_on.jpg";
		img6on=new Image();
    img6on.src="images/nav_menu_on.jpg";
		img7on=new Image();
    img7on.src="images/nav_view_on.jpg";
		img8on=new Image();
    img8on.src="images/nav_area_on.jpg";
		img9on=new Image();
    img9on.src="images/nav_contact_on.jpg";
    
    
    img1off=new Image();
    img1off.src="images/nav_home_off.jpg";
    img2off=new Image();
    img2off.src="images/nav_desc_off.jpg";
    img3off=new Image();
    img3off.src="images/nav_book_off.jpg";
    img4off=new Image();
    img4off.src="images/nav_serv_off.jpg";
    img5off=new Image();
    img5off.src="images/nav_dir_off.jpg";
    img6off=new Image();
    img6off.src="images/nav_menu_off.jpg";
    img7off=new Image();
    img7off.src="images/nav_view_off.jpg";
    img8off=new Image();
    img8off.src="images/nav_area_off.jpg";
    img9off=new Image();
    img9off.src="images/nav_contact_off.jpg";
    
// images for image swap
    swap=new Image();
    swap.src="images/content_home_mid.jpg";

		swap2=new Image();
		swap2.src = "images/swap_desc.gif";
		swap3=new Image();
		swap3.src = "images/swap_book.gif";
		swap4=new Image();
		swap4.src = "images/swap_serv.gif";
		swap5=new Image();
		swap5.src = "images/swap_dir.gif";
		swap6=new Image();
		swap6.src = "images/swap_menu.gif";
		swap7=new Image();
		swap7.src = "images/swap_view.gif";
		swap8=new Image();
		swap8.src = "images/swap_area.gif";
		swap9=new Image();
		swap9.src = "images/swap_contact.gif";		
		
		}

function imgOn(imgName) { 
   if (document.images){ 
   document[imgName].src = eval(imgName + "on.src"); 
    } } 
function imgOff(imgName) { 
   if (document.images) { 
   document[imgName].src = eval(imgName + "off.src"); 
    } }



// function to swap images on home page
function changeImages() {
	if (document.images) {
		for (var i=0; i<changeImages.arguments.length; i+=2) {
			document[changeImages.arguments[i]].src = eval(changeImages.arguments[i+1] + ".src");
		} } }
		
// function to open remote popup windows in different named windows.
function remote(url,name,parms) {
	var remote = window.open(url,name,parms); 
	remote.opener = self; 
	remote.focus();
	}