<!--

var darkened_pics = new Array();
var lighted_pics = new Array();



function preloadButtonSet(num,dark,light) {
 darkened_pics[num] = new Image();
 darkened_pics[num].src = dark;
 lighted_pics[num] = new Image();
 lighted_pics[num].src = light;
}

preloadButtonSet(0,"Images/home_off.gif","Images/home_on.gif");
preloadButtonSet(1,"Images/why_bis_off.gif","Images/why_bis_on.gif");
preloadButtonSet(2,"Images/meet_our_team_off.gif","Images/meet_our_team_on.gif");
preloadButtonSet(3,"Images/featured_product_off.gif","Images/featured_product_on.gif");
preloadButtonSet(4,"Images/whats_new_off.gif","Images/whats_new_on.gif");
preloadButtonSet(5,"Images/request_quote_off.gif","Images/request_quote_on.gif");
preloadButtonSet(6,"Images/forms_library_off.gif","Images/forms_library_on.gif");
preloadButtonSet(7,"Images/companies_off.gif","Images/companies_on.gif");
preloadButtonSet(8,"Images/letter_off.gif","Images/letter_on.gif");
preloadButtonSet(9,"Images/contactus_off.gif","Images/contactus_on.gif");
preloadButtonSet(10,"Images/faq_off.gif","Images/faq_on.gif");
preloadButtonSet(11,"Images/census_off.gif","Images/census_on.gif");
preloadButtonSet(12,"Images/indfam_plans_off.gif","Images/indfam_plans_on.gif");
preloadButtonSet(13,"Images/hrassistant_off.gif","Images/hrassistant_on.gif");

function lighten(num) {
 if (document.images)
  {
  eval("document.button"+num+".src = lighted_pics["+num+"].src;");
  }
 return false;
}
function darken(num) {
 if (document.images)
  {
  eval("document.button"+num+".src = darkened_pics["+num+"].src;");
  }
 return false;
}


//->