switch (window.location.hostname) {
case "www.beveragechina.org.cn" :
document.write('<a href="http://www.beveragechina.org.cn"><img src="/Templets/images/logo_beveragechina.gif" height="50" class="m5"></a>');
break;

case "www.clockchina.org.cn" :
document.write('<a href="http://www.clockchina.org.cn"><img src="/Templets/images/logo_clockchina.gif" height="50" class="m5"></a>');
break;

case "www.brewchina.org.cn" :
document.write('<a href="http://www.brewchina.org.cn"><img src="/Templets/images/logo_brewchina.gif" height="50" class="m5"></a>');
break;

case "www.paperchina.org.cn" :
document.write('<a href="http://www.paperchina.org.cn"><img src="/Templets/images/logo_paperchina.gif" height="50" class="m5"></a>');
break;

case "www.plasticchina.org.cn" :
document.write('<a href="http://www.plasticchina.org.cn"><img src="/Templets/images/logo_plasticchina.gif" height="50" class="m5"></a>');
break;

case "www.packchina.org.cn" :
document.write('<a href="http://www.packchina.org.cn"><img src="/Templets/images/logo_packchina.gif" height="50" class="m5"></a>');
break;

case "www.foodchina.org.cn" :
document.write('<a href="http://www.foodchina.org.cn"><img src="/Templets/images/logo_foodchina.gif" height="50" class="m5"></a>');
break;

case "www.dairychina.org.cn" :
document.write('<a href="http://www.dairychina.org.cn"><img src="/Templets/images/logo_dairychina.gif" height="50" class="m5"></a>');
break;
//依次类推写下去
default : //如果没有找到该域名
document.write('<a href="http://www.clima.org.cn"><img src="/Templets/images/logo_clima.gif" height="50" class="m5"></a>');//默认LOGO
}
