function tabSubmit(){
	document.all.labelA.className='show';
	document.all.labelB.className='hide';
	document.all.labelC.className='hide';
}
function tabHelp(){
	document.all.labelA.className='hide';
	document.all.labelB.className='show';
	document.all.labelC.className='hide';
}
function tabHelp1(){
	document.all.labelA.className='hide';
	document.all.labelB.className='hide';
	document.all.labelC.className='show';
}
function clear_dep(){
	form_dep.key_word.value = "";
}
function clear_thing(){
	form_thing.key_word.value = "";
}
function check_dep(){
	if ((form_dep.key_word.value == "")||(form_dep.key_word.value == "---按部门名称查询---")){
		alert("请输入部门查询条件！");
		form_dep.key_word.value = "";
		form_dep.key_word.focus();
		return false;
	}else
		form_dep.key_word.value = ChangeChar(form_dep.key_word.value)
	form_dep.submit();
	return true;
}
function check_thing(){

	if ((form_thing.key_word.value == "")||(form_thing.key_word.value == "---按办事事项查询---")){
		alert("请输入事项查询条件！");
		form_thing.key_word.value = "";
		form_thing.key_word.focus();
		return false;
	}else
		form_thing.key_word.value = ChangeChar(form_thing.key_word.value)
	form_thing.submit();
	return true;
}