function On(name){
			  if (parseInt(navigator.appVersion) >= 3){
			 document.images[name].src = "images/" + name + "_x.gif";
		  }
	   }
	   
	   function Off(name){
		 if (parseInt(navigator.appVersion) >= 3){
			 document.images[name].src = "images/" + name + ".gif";
			 }
	   }
	   
	function OnJpg(name){
		 if (parseInt(navigator.appVersion) >= 3){
			 document.images[name].src = "images/" + name + "_x.jpg";
		  }
	   }
	   
	   function OffJpg(name){
		 if (parseInt(navigator.appVersion) >= 3){
			 document.images[name].src = "images/" + name + ".jpg";
			 }
	   }