function Pika(){
 document.images["crd"].src="./img/top_loginbtn_f2.gif";
 setTimeout("document.frm_index.submit()",2000);
}
sent=0;
function goLogin(){
 if ( sent==0 ){
  sent=1;
  document.frm_index.submit();
 }
}
function chStyle(el){
 el.style.cursor="hand";
}
function prevStyle(el){
 el.style.cursor="default";
}