var loadDone = "no";
var elementsLoaded = "no";

function loadImg() {
  if (document.images) {
    btn1off	= new Image();	btn1off.src	= "images/image1_1x2.gif";
    btn1on	= new Image();	btn1on.src	= "images/image1_1x2on.gif";
    btn2off	= new Image();	btn2off.src	= "images/image1_1x3.gif";
    btn2on	= new Image();	btn2on.src	= "images/image1_1x3on.gif";
    btn3off	= new Image();	btn3off.src	= "images/image1_1x4.gif";
    btn3on	= new Image();	btn3on.src	= "images/image1_1x4on.gif";
    btn4off	= new Image();	btn4off.src	= "images/image1_1x5.gif";
    btn4on	= new Image();	btn4on.src	= "images/image1_1x5on.gif";
    btn5off	= new Image();	btn5off.src	= "images/image1_1x6.gif";
    btn5on	= new Image();	btn5on.src	= "images/image1_1x6on.gif";
    loadDone = "yes";
  }
}

loadImg();

function show(currElem) {
  if (elementsLoaded == "yes") {
    stdBrowser = (document.getElementById) ? true : false;
    if (currElem) {
      popUpWin = (stdBrowser) ? document.getElementById(currElem).style : eval("document." + currElem);
      popUpWin.visibility = "visible";
    }
  }
}
function hide(currElem) {
  if (elementsLoaded == "yes") {
    stdBrowser = (document.getElementById) ? true : false;
    if (currElem) {
      popUpWin = (stdBrowser) ? document.getElementById(currElem).style : eval("document." + currElem);
      popUpWin.visibility = "hidden";
    }
  }
}
function cImg() {
  if (loadDone == "yes") {
    if (document.images) {
      for (var i=0; i<cImg.arguments.length; i+=2) {
        document[cImg.arguments[i]].src = eval(cImg.arguments[i+1] + ".src");
      }
    }
  }
}