if (document.images)
   {
     pic1on= new Image(112,200);
     pic1on.src="http://www.andysweb.net/web/portfolio/emerald-bwr.jpg";  
     pic2on= new Image(112,200);
     pic2on.src="http://www.andysweb.net/web/portfolio/fem-bw.jpg";
	 pic3on= new Image(112,200);
     pic3on.src="http://www.andysweb.net/web/portfolio/october-rose-bw.jpg";
	 pic4on= new Image(112,200);
     pic4on.src="http://www.andysweb.net/web/portfolio/orwell-bw.jpg";
	 pic5on= new Image(112,200);
     pic5on.src="http://www.andysweb.net/web/portfolio/rose-life-coaching-bw.jpg";  
     pic6on= new Image(112,200);
     pic6on.src="http://www.andysweb.net/web/portfolio/ticket-bw.jpg";
	 pic7on= new Image(112,200);
     pic7on.src="http://www.andysweb.net/web/portfolio/news-bw.jpg";
	 pic8on= new Image(112,200);
     pic8on.src="http://www.andysweb.net/web/portfolio/emerald-bwr.jpg";

     pic1off= new Image(112,200);
     pic1off.src="http://www.andysweb.net/web/portfolio/emerald-colour.jpg";
     pic2off= new Image(112,200);
     pic2off.src="http://www.andysweb.net/web/portfolio/fem-colour.jpg";
	 pic3off= new Image(112,200);
     pic3off.src="http://www.andysweb.net/web/portfolio/october-rose.jpg";
	 pic4off= new Image(112,200);
     pic4off.src="http://www.andysweb.net/web/portfolio/orwell-colour.jpg";
	 pic5off= new Image(112,200);
     pic5off.src="http://www.andysweb.net/web/portfolio/rose-life-coaching.jpg";
     pic6off= new Image(112,200);
     pic6off.src="http://www.andysweb.net/web/portfolio/ticket-colour.jpg";
	 pic7off= new Image(112,200);
     pic7off.src="http://www.andysweb.net/web/portfolio/news-colour.jpg";
	 pic8off= new Image(112,200);
     pic8off.src="http://www.andysweb.net/web/portfolio/emerald-colour.jpg";
   }

function lightup(imgName,imgName2,imgName3,imgName4,imgName5,imgName6,imgName7,imgName8)
 {
   if (document.images)
    {
      imgOn=eval(imgName + "on.src");
      document[imgName].src= imgOn;
      imgOn2=eval(imgName2 + "on.src");
      document[imgName2].src= imgOn2;
	  imgOn3=eval(imgName3 + "on.src");
      document[imgName3].src= imgOn3;
	  imgOn4=eval(imgName4 + "on.src");
      document[imgName4].src= imgOn4;
	  imgOn5=eval(imgName5 + "on.src");
      document[imgName5].src= imgOn5;
      imgOn6=eval(imgName6 + "on.src");
      document[imgName6].src= imgOn6;
	  imgOn7=eval(imgName7 + "on.src");
      document[imgName7].src= imgOn7;
	  imgOn8=eval(imgName8 + "on.src");
      document[imgName8].src= imgOn8;
    }
 }

function turnoff(imgName,imgName2,imgName3,imgName4,imgName5,imgName6,imgName7,imgName8)
 {
   if (document.images)
    {
      imgOff=eval(imgName + "off.src");
      document[imgName].src= imgOff;
      imgOff2=eval(imgName2 + "off.src");
      document[imgName2].src= imgOff2;
	  imgOff3=eval(imgName3 + "off.src");
      document[imgName3].src= imgOff3;
	  imgOff4=eval(imgName4 + "off.src");
      document[imgName4].src= imgOff4;
	  imgOff5=eval(imgName5 + "off.src");
      document[imgName5].src= imgOff5;
      imgOff6=eval(imgName6 + "off.src");
      document[imgName6].src= imgOff6;
	  imgOff7=eval(imgName7 + "off.src");
      document[imgName7].src= imgOff7;
	  imgOff8=eval(imgName8 + "off.src");
      document[imgName8].src= imgOff8;
    }
 }