function check_train_form(f,t){
	if ($('auto_content')&&'none'!=$('auto_content').style.display){
		return false;
	}
	if (0==t){
		f.start.value=f.start.value.replace('输入起点站','');
		f.stop.value=f.stop.value.replace('输入终点站','');
		f.start.value=f.start.value.replace(/\s/gi,'');
		f.stop.value=f.stop.value.replace(/\s/gi,'');
		if (''==f.start.value){
			alert('请输入起点站！');
			return false;
		}
		if (f.start.value!=f.start.value.replace(/[^\u4e00-\u9fa5]/gi,'') || f.stop.value!=f.stop.value.replace(/[^\u4e00-\u9fa5]/gi,'')){
			alert('站名只能为汉字！');
			return false;
		}
		if (f.start.value==f.stop.value){
			f.stop.value='';
		}
	}else{
		f.number.value=f.number.value.replace('输入车次','');
		f.number.value=f.number.value.replace(/\s/gi,'');
		if (''==f.number.value){
			alert('请输入车次！');
			return false;
		}
		if (f.number.value!=f.number.value.replace(/[^0-9a-zA-Z\/]/gi,'')){
			alert('车次只能由数字、字母或“/”组成！');
			return false;
		}
	}
	f.submit.disabled=true;
	return true;
}
function check_disabled_btn(){
	var btn=document.getElementsByTagName('input');
	for (var e in btn){
		if (btn[e].type && btn[e].type.toLowerCase()=='submit'){
			if (btn[e].disabled){
				btn[e].disabled=false;
			}
		}
	}
}
try{
	window.addEventListener('pageshow', check_disabled_btn, false);
}catch(e){}