// preload level 1 buttons
var aBtn = new Array();
aBtn = ["","company","divisions","contactus"];
for (i=0;i<aBtn.length;i++) {
  eval("A"+i+"on = new Image();");	eval("A"+i+"off = new Image();");
  eval("A"+(i)+"on.src = \"../image/l1_"+aBtn[i]+"_r.JPG\";");
  eval("A"+(i)+"off.src = \"../image/l1_"+aBtn[i]+"_0.JPG\";");
}

// preload constant buttons
var cBtn = new Array();
cBtn = ["","directions","contact","sitemap"];
for (i=0;i<cBtn.length;i++) {
  eval("C"+i+"on = new Image();");	eval("C"+i+"off = new Image();");
  eval("C"+(i)+"on.src = \"../img/btns/cnst_"+cBtn[i]+"_r.gif\";");
  eval("C"+(i)+"off.src = \"../img/btns/cnst_"+cBtn[i]+"_0.gif\";");
}

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

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