if (document.images)
	   {
                        prodon= new Image(125,40);  prodon.src="images/prod_on.jpg";
	   	        contacton= new Image(125,40);  contacton.src="images/contact_on.jpg";
			policyon= new Image(125,40);   policyon.src="images/policy_on.jpg";
			newson= new Image(125,40);  newson.src="images/news_on.jpg";
			specon= new Image(125,40);   specon.src="images/spec_on.jpg"
			
			side1on= new Image(115,25);  side1on.src="images/side1_on.jpg";
			side2on= new Image(115,25);  side2on.src="images/side2_on.jpg";
			side3on= new Image(115,25);  side3on.src="images/side3_on.jpg";
			side4on= new Image(115,25);  side4on.src="images/side4_on.jpg";
			side5on= new Image(115,25);  side5on.src="images/side5_on.jpg";
			side6on= new Image(115,25);  side6on.src="images/side6_on.jpg";
			side7on= new Image(115,25);  side7on.src="images/side7_on.jpg";
			side8on= new Image(115,25);  side8on.src="images/side8_on.jpg";
			side9on= new Image(115,25);  side9on.src="images/side9_on.jpg";
			sideaon= new Image(115,25);  sideaon.src="images/sidea_on.jpg";
			sidebon= new Image(115,25);  sidebon.src="images/sideb_on.jpg"

		        prodoff= new Image(125,40);  prodoff.src="images/prod_off.jpg";
	   	        contactoff= new Image(125,40);  contactoff.src="images/contact_off.jpg";
			policyoff= new Image(125,40);   policyoff.src="images/policy_off.jpg";
			newsoff= new Image(125,40);  newsoff.src="images/news_off.jpg";
			specoff= new Image(125,40);   specoff.src="images/spec_off.jpg"

			side1off= new Image(115,25);  side1off.src="images/side1_off.jpg";
			side2off= new Image(115,25);  side2off.src="images/side2_off.jpg";
			side3off= new Image(115,25);  side3off.src="images/side3_off.jpg";
			side4off= new Image(115,25);  side4off.src="images/side4_off.jpg";
			side5off= new Image(115,25);  side5off.src="images/side5_off.jpg";
			side6off= new Image(115,25);  side6off.src="images/side6_off.jpg";
			side7off= new Image(115,25);  side7off.src="images/side7_off.jpg";
			side8off= new Image(115,25);  side8off.src="images/side8_off.jpg";
			side9off= new Image(115,25);  side9off.src="images/side9_off.jpg";
			sideaoff= new Image(115,25);  sideaoff.src="images/sidea_off.jpg";
			sideboff= new Image(115,25);  sideboff.src="images/sideb_off.jpg"


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