function ss1(theForm)
{
  if (theForm.pl_s.value=="按排量搜索" )
  {
    alert("请选择排量范围！");
    theForm.pl_s.focus();
    return false;
  }
  return true;
} 

function ss2(theForm)
{
  if (theForm.pr_s.value=="按价格搜索" )
  {
    alert("请选择价格区间！");
    theForm.pr_s.focus();
    return false;
  }
  return true;
}  

 function encodeUtf8AndSubmit(f){
	var url = "http://so.guser.cn/guser_search.jsp";
	var query=f.query.value;
	if(query==''){ 
		f.query.focus(); 
	} 
	else{
		window.open(encodeURI(url + "?query=" + query)); 
	} 
	return false; 
}