if (document.images)
   {

     highlightson= new Image();
     highlightson.src="common/images/nav/top/highlights_ro.jpg";  
     highlightsoff= new Image();
     highlightsoff.src="common/images/nav/top/highlights.jpg";

     letteron= new Image();
     letteron.src="common/images/nav/top/letter_ro.jpg";  
     letteroff= new Image();
     letteroff.src="common/images/nav/top/letter.jpg";
	 
     operationson= new Image();
     operationson.src="common/images/nav/top/operations_ro.jpg";  
     operationsoff= new Image();
     operationsoff.src="common/images/nav/top/operations.jpg";
	 
     governanceon= new Image();
     governanceon.src="common/images/nav/top/governance_ro.jpg";  
     governanceoff= new Image();
     governanceoff.src="common/images/nav/top/governance.jpg";		

     faqon= new Image();
     faqon.src="common/images/nav/top/faq_ro.jpg";  
     faqoff= new Image();
     faqoff.src="common/images/nav/top/faq.jpg";		 

     mdaon= new Image();
     mdaon.src="common/images/nav/top/mda_ro.jpg";  
     mdaoff= new Image();
     mdaoff.src="common/images/nav/top/mda.jpg";

     financialson= new Image();
     financialson.src="common/images/nav/top/financial_ro.jpg";  
     financialsoff= new Image();
     financialsoff.src="common/images/nav/top/financial.jpg";

     investorinfoon= new Image();
     investorinfoon.src="common/images/nav/top/investorinfo_ro.jpg";  
     investorinfooff= new Image();
     investorinfooff.src="common/images/nav/top/investorinfo.jpg";
	 
	 
	 

	 
   }
   
   function img_act(imgName) {
		imgOn = eval(imgName + "on.src");
		document [imgName].src = imgOn;
   } 


function img_inact(imgName) {
		imgOff = eval(imgName + "off.src");
		document [imgName].src = imgOff;  
  }