function addLoadEvent(func) {
  var oldonload = window.onload;
  if (typeof window.onload != 'function') {
    window.onload = func;
  } else {
    window.onload = function() {
      oldonload();
      func();
    };
  }
}
function naviCtl(tar)	{
	e = document.getElementById("mNavi");
	dtArray	= e.getElementsByTagName("dt");
	ddArray	= e.getElementsByTagName("dd");
	ddArray[0].style.left = "0em";
	ddArray[1].style.left = "7em";
	ddArray[2].style.left = "8em";
	ddArray[3].style.left = "12em";
	ddArray[4].style.left = "22em";
	for (i=0; i < dtArray.length; i++)	{
		dtArray[i].className = "";
		ddArray[i].className = "";
	}
	dtArray[tar].className = "dtOn";
	ddArray[tar].className = "ddOn";
}