// JavaScript Document
function searkey(strurl)
{
  var keys=document.getElementById("tb_keys");
  if(keys.value=="")
  {
    alert("请输入关键字!!");
    keys.focus();
    return false;
  }
  if(keys.value=="请输入关键字!!")
  {
    alert("请输入关键字!!");
    keys.focus();
    return false;
  }
  window.location.href="/products.html?key="+keys.value;
}

  function focuskey()
  {
    var key1=document.getElementById("tb_keys");
    if(key1.value=="请输入关键字!!")
	 {
	   key1.value="";
	 }
  }
  
  function aler()
  {
    var key1=document.getElementById("tb_keys");
     if(key1.value=="")
	 {
	   key1.value="请输入关键字!!";
	 }
  }

function checkfrom()
 {
   var title=document.getElementById("tb_title");
   var content=document.getElementById("tb_content");
   var name=document.getElementById("tb_name");
   var email=document.getElementById("tb_email");
   if(title.value=="")
   {
     alert("Please enter the title! !");
     title.focus();
     return false;
   }
   if(content.value=="")
   {
     alert("Please enter content! !");
     content.focus();
     return false;
   }
   if(name.value=="")
   {
     alert("Please enter a name! !");
     name.focus();
     return false;
   }
   if(email.value=="")
   {
     alert("Please enter the e-mail! !");
     email.focus();
     return false;
   }
}
function setnav(id)
    {
      var nvap=document.getElementById("chnavleft"+id);
      if(nvap.style.display=="none")
      {
       nvap.style.display="block";
      }else
      {
       nvap.style.display="none";
      }
    }

function loadback(){
	window.history.back();
}
function getElement(name) {
	if (document.getElementById) {
		return document.getElementById(name);
	} else if (document.all) {
		return document.all(name);
	} else if (document.layers){
		return document[name];
	}
}

function showNav(menuid)
{
	if(parseInt(menuid)==1)
	{
		navbar.style.display="block";
		navbar.style.padding="0px 0px 0px 20px";
		navbar.innerHTML='Welcome to Wenzhou Baian Auto Parts Co.,Ltd.';
	}
	if(parseInt(menuid)==2)
	{
		navbar.style.display="block";
		navbar.style.padding="0px 0px 0px 120px";
		navbar.innerHTML='<a class="lan" href="/Product.html">All Products</a> | <a class="lan" href="/Product___1/Air-Flow-Sensor.html">Air Flow Sensor</a> | <a class="lan" href="/Product___2/ABS-Sensor.html">Crank-Cam & ABS Sensor</a> | <a class="lan" href="/Product___3/Oxygen-Sensor.html">Oxygen Sensor</a> ';
	}		
	if(parseInt(menuid)==3)
	{
		navbar.style.display="block";
		navbar.style.padding="0px 0px 0px 230px";
		navbar.innerHTML='<a class="lan" href="/About.html">About Us</a> | <a class="lan" href="/Advantages.html">Advantages</a>  | <a class="lan" href="/BrandCulture.html">Brand Culture</a> | <a class="lan" href="/News.html">Latest News</a> | <a class="lan" href="/Manufacturing.html">Manufacturing</a>';
	}
	if(parseInt(menuid)==4)
	{
		navbar.style.display="block";
		navbar.style.padding="0px 0px 0px 350px";
		navbar.innerHTML='<a class="lan" href="/ContactNow.html">Contact Now</a> | <a class="lan" href="/SiteMap.html">Site Map</a>';
	}	
	if(parseInt(menuid)==5)
	{
		navbar.style.display="block";
		navbar.style.padding="0px 0px 0px 430px";
		navbar.innerHTML='';
	}		
}

//传入ID改变样式
function mover_nav(object)
{
	for(i=1;i<=2;i++)
	{
		var mm=document.getElementById("m_" + i);
		mm.className="";
		
		var mm_obj=document.getElementById("news_list" + i);
		mm_obj.style.display="none";
	}
	
	var obj_1 = document.getElementById("m_" + object);
	obj_1.className="current";
	
	var mm_obj_1=document.getElementById("news_list" + object);
    mm_obj_1.style.display="block";
}


//设置图片的大小
function checkSize(o, w, h) 
{
   //判断宽度
   if (o.width > w) 
   {
     o.width=h;
     return;
   }
   
}