function showadv(id,ob_char) {
	Expanda = document.all.item(id+"_a");
	Expanda.blur();
	advshow=document.all.item(id);
	treeimg = document.all.item(id+"_img");
	if (advshow.style.display=="block") {
		advshow.style.display="none";
		treeimg.src="/images/plus.gif";
	}else {
		advshow.style.display="block";
		treeimg.src="/images/minus.gif";
	}
}

function showndv(id,ob_char)
{
  var ndvshow=document.all.item(id);
  if (ndvshow.style.display=="") {
     ndvshow.style.display="none";
  }
  else {
     ndvshow.style.display="";
  }
}

function checkFields(){
	if(document.form.name.value=="") {
		alert("Please input name");		
		document.form.name.focus();
		return false ;
	}
	if(document.form.password.value=="") {
		alert("Please input password");		
		document.form.password.focus();
		return false ;
	}
	return true ;
}


function popwin(id) {	    
    window.open(id,"","height=400,width=500,resizable=yes,scrollbars=yes,status=no,toolbar=no,menubar=no,location=no");
}