bName = navigator.appName;
bVer = parseInt(navigator.appVersion);
    if ((bName == "Netscape" && bVer >= 3) || 
        (bName == "Microsoft Internet Explorer" && bVer >= 4)) br = "n3"; 
    else br = "n2";
    if (br== "n3") { 
    img1on = new Image();                                             
    img1on.src = "../p/gaso.gif";     
    img2on = new Image();           
    img2on.src = "../p/irro.gif";
    img3on = new Image();           
    img3on.src = "../p/telo.gif";     
    img4on = new Image();           
    img4on.src = "../p/utilo.gif";     
    img5on = new Image();           
    img5on.src = "../p/irr2o.gif";


img6on = new Image();           
    img6on.src = "../p/hmeo.gif";
    img7on = new Image();           
    img7on.src = "../p/abto.gif";     
    img8on = new Image();           
    img8on.src = "../p/inqo.gif";     
    img9on = new Image();           
    img9on.src = "../p/loco.gif";
    img10on = new Image();           
    img10on.src = "../p/newo.gif";
    
    img1off = new Image();          
    img1off.src = "../p/gas.gif";        
    img2off = new Image();          
    img2off.src = "../p/irr.gif";   
    img3off = new Image();          
    img3off.src = "../p/tel.gif";   
    img4off = new Image();          
    img4off.src = "../p/util.gif";   
img5off = new Image();          
    img5off.src = "../p/irr2.gif"; 
   img6off = new Image(); 
   img6off.src = "../p/hme.gif";
    img7off = new Image();          
    img7off.src = "../p/abt.gif";   
    img8off = new Image();          
    img8off.src = "../p/inq.gif";   
    img9off = new Image();          
    img9off.src = "../p/loc.gif"; 
img10off = new Image();          
    img10off.src = "../p/new.gif"; 
    

    img1ad = new Image();
    img1ad.src ="../p/gas1.gif";                
    img2ad = new Image();		
    img2ad.src="../p/irr1.gif";
    img3ad = new Image();
    img3ad.src ="../p/tel1.gif";
    img4ad = new Image();
    img4ad.src="../p/mun1.gif";
    img5ad = new Image();
    img5ad.src="../p/gas1.gif";
    img6ad = new Image();
    img6ad.src ="../p/hme1.gif";
    img7ad = new Image();
    img7ad.src ="../p/abt1.gif";
    img8ad = new Image();
    img8ad.src ="../p/inq1.gif";
    img9ad = new Image();
    img9ad.src ="../p/loc1.gif";
    img10ad = new Image();
    img10ad.src ="../p/new1.gif";


   
    
}

function imgAct(imgName) {
    if (br == "n3") {
    document[imgName].src= eval(imgName + "on.src");
document["holder"].src= eval(imgName + "ad.src");

}
}

function imgInact(imgName) {
    if (br == "n3") {
    document[imgName].src= eval(imgName + "off.src");
     document["holder"].src= "../p/t.gif";
 
   }
}