function checkData(){
	if( $.trim( $("#name").val() ) == "" ){
		$("#name").focus();
		alert("请输入姓名");
		return false;
	}
	
	if( $.trim( $("#address").val() ) == "" && $.trim( $("#address_1").val() ) == "" ){
		$("#address_1").focus();
		alert("请选择或输入住所（都道府県）");
		return false;
	}
	
	if( $.trim( $("#email").val() ) == "" ){
		$("#email").focus();
		alert("请输入电子邮箱");
		return false;
	}
	
	reg = /^\w+([-+.']\w+)*@\w+([-.]\w+)*\.\w+([-.]\w+)*$/i;
	if( !reg.test( $("#email").val() ) ){
		alert("电子邮箱格式不正确。例：info@jp-house.net");
		$("#email").focus();
		$("#email").select();
		return false;
	}
	
	if( $.trim( $("#tel").val() ) == "" ){
		$("#tel").focus();
		alert("请输入联系电话");
		return false;
	}
	
	if( $.trim( $("#mobile").val() ) == "" ){
		$("#mobile").focus();
		alert("请输入携带电话");
		return false;
	}
	
	if( $.trim( $("#ken").val() ) == "" && $.trim( $("#ken_1").val() ) == "" ){
		$("#ken_1").focus();
		alert("请选择或输入房屋（都道府県）");
		return false;
	}
	
	$("#mail_form").css("display", "none");
	$("#mail_form").before("<bR><bR><br><bR><p align=\"center\">送信中、少々お待ちください</p>");
	
	var content = "<p>姓名: " + $("#name").val() + "</p>";
	content += "<p>性别: " + $('input[@name=sex][@checked]').val() + "</p>";
	content += "<p>年龄: " + $("select[name=age] option[selected]").val() + "</p>";
	if( $("#address_1").val() != "" )
		content += "<p>住所: " + $("#address_1").val() + "</p>";
	else
		content += "<p>住所: " + $("#address").val() + "</p>";
	content += "<p>电子邮箱: " + $("#email").val() + "</p>";
	content += "<p>联系电话: " + $("#tel").val() + "</p>";
	content += "<p>携带电话: " + $("#mobile").val() + "</p>";
	if( $("#type_1").val() != "" )
		content += "<p>房屋类别: " + $("#type_1").val() + "</p>";
	else
		content += "<p>房屋类别: " + $("select[name=type] option[selected]").val() + "</p>";
	if( $("#mianji_1").val() != "" )
		content += "<p>房屋平数: " + $("#mianji_1").val() + "</p>";
	else
		content += "<p>房屋平数: " + $("select[name=mianji] option[selected]").val() + "</p>";
	if( $("#price_1").val() != "" )
		content += "<p>购屋预算: " + $("#price_1").val() + "</p>";
	else
		content += "<p>购屋预算: " + $("select[name=price] option[selected]").val() + "</p>";	
	if( $("#ken_1").val() != "" )
		content += "<p>房屋（都道府県）: " + $("#ken_1").val() + "</p>";
	else
		content += "<p>房屋（都道府県）: " + $("select[name=ken] option[selected]").val() + "</p>";	
	
	$("#submit_content").attr("value",content);
	
	return true;
}