browserName=navigator.appName; 
browserVer=parseInt(navigator.appVersion);
  if ((browserName=="Netscape" && browserVer>=3) || (browserName=="Microsoft Internet Explorer" && browserVer>=4))    
  version="n3";
  else
    version="n2";
  if (version=="n3")
   {
     sm1on= new Image(109,24);
     sm1on.src="images/about_us_on.jpg";  
     sm1off= new Image(109,24);
     sm1off.src="images/about_us_off.jpg";
					
     sm2on= new Image(109,24);
     sm2on.src="images/our_homes_on.jpg";  
     sm2off= new Image(109,24);
     sm2off.src="images/our_homes_off.jpg";
				 	
     sm3on= new Image(109,24);
     sm3on.src="images/the-area_on.jpg";  
     sm3off= new Image(109,24);
     sm3off.src="images/the-area_off.jpg";
 			
     sm4on= new Image(109,24);
     sm4on.src="images/useful_links_on.jpg";  
     sm4off= new Image(109,24);
     sm4off.src="images/useful_links_off.jpg";
     
     sm5on= new Image(109,24);
     sm5on.src="images/gallery_on.jpg";  
     sm5off= new Image(109,24);
     sm5off.src="images/gallery_off.jpg";
 			
     sm6on= new Image(109,24);
     sm6on.src="images/contact_us_on.jpg";  
     sm6off= new Image(109,24);
     sm6off.src="images/contact_us_off.jpg";

	
  }
function slightup(imgName)
 {
   if (version=="n3")
    {
      imgOn=eval(imgName + "on.src");
      document[imgName].src= imgOn;
				}
 }
function sturnoff(imgName)
 {
   if (version=="n3")
    {
      imgOff=eval(imgName + "off.src");
      document[imgName].src= imgOff;
    }
 }