document.domain = "sina.com.cn";
function change_validate()
{
	document.getElementById('validate').value = "";
	document.getElementById('vCode').src = "http://php.tech.sina.com.cn/mobile/validate.php?t" + new Date().getTime();
}
function init_form()
{
	var frm = document.forms['correct_info_f'];
	for(i = 0; i < frm.length; i++)
	{
		if(frm[i].type == "text" || frm[i].tagName.toLowerCase() == "textarea")
		{
			frm[i].value = "";
		}
	}
	change_validate();
}
var param = ['sp_f12819','sp_f12820','sp_f12821','sp_f12822','sp_f12823','sp_f12824','sp_f12825','sp_f12827','sp_f12828','sp_f12829','sp_f12830','sp_f12831','sp_f12832','sp_f12833'];
function ck_hf()
{
	var frm = document.forms['correct_info_f'];
	var b_post = false;
	for(i = 0; i < param.length; i++)
	{
		if(frm.elements[param[i]].value != "")
		{
			b_post = true;
			break;
		}
	}
	if(!b_post)
	{
		alert("请至少填写一项纠错信息");
		frm.elements[param[0]].focus();
		return false;
	}
	if(frm.sp_f13728.value == "")
	{
		alert("请填写您的信息来源");
		frm.sp_f13728.focus();
		return false;
	}
	if(frm.validate.value == "")
	{
		alert("请填写验证码");
		frm.validate.focus();
		return false;
	}
	frm.submit();
}