var cur_img_1ame = "";
var bType = "unknown";
var bName = navigator.appName;
var bVer  = parseInt(navigator.appVersion);
if      (bName == "Netscape" && bVer >= 3) bType = "n3";
else if (bName == "Microsoft Internet Explorer" && bVer >= 4) bType = "n3";
else if (bName == "Netscape" && bVer == 2) bType = "n2";
else if (bName == "Microsoft Internet Explorer" && bVer == 3) bType = "e3";
 
// preload universal image:
if (bType == 'n3')
{
  
about1 = new Image(124,40);
about1.src = "images/about1.gif";
about2 = new Image(124,40);
about2.src = "images/about2.gif";
about3 = new Image(124,40);
about3.src = "images/about2.gif";

companies1 = new Image(119,40);
companies1.src = "images/companies1.gif";
companies2 = new Image(119,40);
companies2.src = "images/companies2.gif";
companies3 = new Image(119,40);
companies3.src = "images/companies2.gif";

applicants1 = new Image(104,40);
applicants1.src = "images/applicants1.gif";
applicants2 = new Image(104,40);
applicants2.src = "images/applicants2.gif";
applicants3 = new Image(104,40);
applicants3.src = "images/applicants2.gif";

vac1 = new Image(91,40);
vac1.src = "images/vacancies1.gif";
vac2 = new Image(91,40);
vac2.src = "images/vacancies2.gif";
vac3 = new Image(91,40);
vac3.src = "images/vacancies2.gif";
		
refer1 = new Image(101,40);
refer1.src = "images/refer1.gif";
refer2 = new Image(101,40);
refer2.src = "images/refer2.gif";
refer3 = new Image(101,40);
refer3.src = "images/refer2.gif";
	
links1 = new Image(154,40);
links1.src = "images/links1.gif";
links2 = new Image(154,40);
links2.src = "images/links2.gif";
links3 = new Image(154,40);
links3.src = "images/links2.gif";
	
home1 = new Image(107,40);
home1.src = "images/home1.gif";
home2 = new Image(107,40);
home2.src = "images/home2.gif";
home3 = new Image(107,40);
home3.src = "images/home2.gif";
	
}

function hiLite(imgDocID,imgObjName) {
   if (bType == 'n3') 
   {
      if (imgDocID != cur_img_1ame)
      {
         document.images[imgDocID].src = eval(imgObjName + ".src")
      }
   }
}


function set_active(imgDocID,imgObjName){
   if (bType == "n3")
   {
      if (cur_img_1ame != "")
      {
         document.images[cur_img_1ame].src = eval(cur_img_1ame + "1.src")
      }
      cur_img_1ame = imgDocID;
      document.images[imgDocID].src = eval(imgObjName + ".src")
   }
}