if (document.images) {            // Active Images



			        img1on = new Image();      
			        img1on.src = "images/aboutelainebtno.gif";

				img2on = new Image();      
   			     img2on.src = "images/therapiesbtno.gif";

				img3on = new Image();      
  			      img3on.src = "images/healthissuesbtno.gif";

				img4on = new Image();      
  			      img4on.src = "images/casestudiesbtno.gif";
	
				img5on = new Image();      
  			      img5on.src = "images/contactbtno.gif";

				img6on = new Image();      
			        img6on.src = "images/aboutelainebtno.gif";

				img7on = new Image();      
   			     img7on.src = "images/therapiesbtno.gif";

				img8on = new Image();      
  			      img8on.src = "images/healthissuesbtno.gif";

				img9on = new Image();      
  			      img9on.src = "images/casestudiesbtno.gif";
	
				img10on = new Image();      
  			      img10on.src = "images/contactbtno.gif";
				
				img11on = new Image();      
  			      img11on.src = "images/selfhelpbtno.gif";

				img12on = new Image();      
  			      img12on.src = "images/selfhelpbtno.gif";

	
      			 img1off = new Image(); 
       			 img1off.src = "images/aboutelainebtn.gif"; 

			 img2off = new Image(); 
       			 img2off.src = "images/therapiesbtn.gif";
			
			 img3off = new Image(); 
       			 img3off.src = "images/healthissuesbtn.gif";

			 img4off = new Image(); 
       			 img4off.src = "images/casestudiesbtn.gif";
			 
			 img5off = new Image(); 
       			 img5off.src = "images/contactbtn.gif";
			
			 img6off = new Image(); 
       			 img6off.src = "images/aboutelainebtn2.gif"; 

			 img7off = new Image(); 
       			 img7off.src = "images/therapiesbtn2.gif";
			
			 img8off = new Image(); 
       			 img8off.src = "images/healthissuesbtn2.gif";

			 img9off = new Image(); 
       			 img9off.src = "images/casestudiesbtn2.gif";
			 
			 img10off = new Image(); 
       			 img10off.src = "images/contactbtn2.gif";

			img11off = new Image(); 
       			 img11off.src = "images/selfhelpbtn.gif";

			img12off = new Image(); 
       			 img12off.src = "images/selfhelpbtn2.gif";}

// Function to 'activate' images.
function imgOn(imgName) {
        if (document.images) {
            document[imgName].src = eval(imgName + "on.src");
        }
}

// Function to 'deactivate' images.
function imgOff(imgName) {
        if (document.images) {
            document[imgName].src = eval(imgName + "off.src");
        }
}