function f_search_submit(domain,formname,txtname){
	if(document.getElementById(txtname).value==""){
		 alert('ÇëÊäÈë¹Ø¼ü×Ö');
		 return false;
	}	
  var f=document.getElementById(formname);   
  iflag=0;
  if(typeof(_baseurl)!="undefined"){
  	if(_baseurl.indexOf("u.pomoho.com")<=0)
  	  iflag=1;
  }  	
  if(iflag==0)
    f.action="http://u.pomoho.com/usersite/videosearch.aspx?_domain="+_domain+"&_q="+escape(document.getElementById(txtname).value);
  else
  	f.action=_baseurl+"/usersite/videosearch.aspx?_domain="+_domain+"&_q="+escape(document.getElementById(txtname).value);

  
}