//[系统]下拉菜单
function out(val)
{
  val.style.display="none"
  alert("sdfsd")
}
function show(val)
{
	val.style.display="block"
}

//[系统]留言内容显示
function inputClear(val,txt)
{
	if(val.value == txt)
	{
		val.value = ""
	}
}
function inputShow(val,txt)
{
	if(val.value == "")
	{
		val.value = txt
	}
}

//在线反馈表单检查
function CheckFormOrderb2b()
{
	if (document.OrderForm.company.value == "")
	{
		alert("请输入公司名称!");
		document.OrderForm.company.focus();
		return false;
	}
	else if (document.OrderForm.linkman.value == "")
	{
		alert("请输入联系人名!");
		document.OrderForm.linkman.focus();
		return false;
	}
	else if (document.OrderForm.phone.value == "")
	{
		alert("请输入联系电话!");
		document.OrderForm.phone.focus();
		return false;
	}
	else if (document.OrderForm.email.value == "")
	{
		alert("请输入您的邮箱!");
		document.OrderForm.email.focus();
		return false;
	}
	else if (document.OrderForm.message.value == "")
	{
		alert("请输入您的留言!");
		document.OrderForm.message.focus();
		return false;
	}
	else
	{
		return true;	
	}
}

//在线反馈表单检查 B2C
function CheckFormOrderb2c()
{
	if (document.OrderForm.linkman.value == "")
	{
		alert("联系人不能为空！");
		document.OrderForm.linkman.focus();
		return false;
	}
	else if (document.OrderForm.linkman.value == "")
	{
		alert("联系人不能为空！");
		document.OrderForm.linkman.focus();
		return false;
	}
	else if (document.OrderForm.phone.value == "")
	{
		alert("电话不能为空！");
		document.OrderForm.phone.focus();
		return false;
	}
	else if (document.OrderForm.email.value == "")
	{
		alert("Email地址不能为空！");
		document.OrderForm.email.focus();
		return false;
	}
	else if (document.OrderForm.message.value == "")
	{
		alert("请输入您的留言");
		document.OrderForm.message.focus();
		return false;
	}
	else
	{
		return true;	
	}
}

//在线留言
function ChkMsg()
{
	var name = document.OrderForm.linkman.value
	var contect = document.OrderForm.title.value 
	var msg = document.OrderForm.message.value
	
	if (name == "请输入您的称呼")
	{
		alert("请输入您的称呼！");
		document.OrderForm.linkman.focus();
		return false;
	}
	else if (contect=="请输入您的 电话 或 E-mail")
	{
		alert("请输入您的联系方式！");
		document.OrderForm.title.focus();
		return false;
	}
	else if (msg == "请在此留下您的话语")
	{
		alert("请在此留下您的话语");
		document.OrderForm.message.focus();
		return false;
	}
	else
	{
		return true;	
	}	
}

//输入时只能是数字
var isNS4 = (navigator.appName=="Netscape")?1:0
function ChkisNum()
{
	if(!isNS4)
	{
		if(event.keyCode < 45 || event.keyCode > 57) event.returnValue = false;
	}
	else
	{
		if(event.which < 45 || event.which > 57) return false;
	}
}

//防止选取
function onKeyDown()
{
	if ((event.keyCode==116)||(window.event.ctrlKey)||(window.event.shiftKey)||(event.keyCode==122))
	{
		event.keyCode=0;
		event.returnValue=false;
	}
}
function yxl()
{ 
	if(window.event.altKey) 
	{
		window.event.returnValue=false;
	}
}
document.onkeydown=yxl