if (document.images)
   {
     pic0on= new Image(36,15);
     pic0on.src="images/buttons/index_over.gif";  
     pic0off= new Image(36,15);
     pic0off.src="images/buttons/index.gif";
	 
	 pic1on= new Image(56,15);
     pic1on.src="images/buttons/about_us_over.gif";  
     pic1off= new Image(56,15);
     pic1off.src="images/buttons/about_us.gif";
	 
	 pic2on= new Image(51,15);
     pic2on.src="images/buttons/services_over.gif";  
     pic2off= new Image(51,15);
     pic2off.src="images/buttons/services.gif";
	 
	 pic3on= new Image(49,15);
     pic3on.src="images/buttons/portfolio_over.gif";  
     pic3off= new Image(49,15);
     pic3off.src="images/buttons/portfolio.gif";
	 
	 pic4on= new Image(28,16);
     pic4on.src="images/buttons/faq_over.gif";  
     pic4off= new Image(28,16);
     pic4off.src="images/buttons/faq.gif";
	 
	 pic5on= new Image(67,15);
     pic5on.src="images/buttons/contact_us_over.gif";  
     pic5off= new Image(67,15);
     pic5off.src="images/buttons/contact_us.gif";
   }

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

function turnoff(imgName,page)
 {
   if (document.images)
    {
      var imgOff = eval(imgName + "off.src");
	  var imgCheck = "http://www.adimation.com/new/images/buttons/" + page + ".gif";
	  if (imgCheck != imgOff) {
      	document[imgName].src= imgOff;
	  }
    }
 }