function searchnet(){
if(formsea.abc5.checked)
   window.open("http://www.google.com/search?hl=zh-CN&lr=lang_zh-CN&q="+formsea.key.value,"mspg5");
if(formsea.abc0.checked)
   window.open("http://search.sina.com.cn/cgi-bin/search/search.cgi?_searchkey="+formsea.key.value,"mspg0");
if(formsea.abc1.checked)
   window.open("http://site.search.sohu.com/sitesearch.jsp?page_index=0&key_word="+formsea.key.value,"mspg1");
if(formsea.abc2.checked)
   window.open("http://cn.search.yahoo.com/search/cn?p="+formsea.key.value,"mspg2");
if(formsea.abc3.checked)
   window.open("http://nisearch.163.com/Search?q="+formsea.key.value,"mspg3");
if(formsea.abc4.checked)
   window.open("http://cns.3721.com/cns.dll?name="+formsea.key.value,"mspg4");
return false;   
}