// JavaScript Document

function CheckSign(form)

{

    if(form.name.value == '')

	{

	    alert('请输入您的姓名');

		form.name.focus();

		return false;

	}

    if(form.cell.value == '')

	{

	    alert('请输入您的手机号码');

		form.cell.focus();

		return false;

	}

	return CheckForm(form);

}