function gowhere(formname)
{
var url;
if (formname.myselectvalue.value == "0")
{
url = "http://www.baidu.com/baidu";
document.search_form.tn.value = "sitecinews";
formname.method = "get";
}
if (formname.myselectvalue.value == "1")
{
url = "http://mp3search.baidu.com/wstsearch";
document.search_form.tn.value = "baidump3";
document.search_form.ct.value = "134217728";
document.search_form.lm.value = "-1";
formname.method = "get";
}
if (formname.myselectvalue.value == "2")
{
document.search_form.tn.value = "flash";
document.search_form.ct.value = "33554432";
url = "http://flash.baidu.com/wstsearch";
}
if (formname.myselectvalue.value == "3")
{ 
document.search_form.tn.value = "baiduwstui";
document.search_form.ct.value = "218103808";
document.search_form.lm.value = "-1";
url = "http://www.baidu.com/x"; 
} 

formname.action = url;
return true;
}