firstcolor="#f9f9f9";      //初めの色
nextcolor="#ffc";       //変更後の色
function table_row(table_id){
tobj=document.getElementById(table_id).tBodies[0];
  for (i=0; i<tobj.rows.length;i++){
tobj.rows[i].onmouseover=function(){this.style.backgroundColor=nextcolor};
tobj.rows[i].onmouseout=function(){this.style.backgroundColor=firstcolor};
  }
}/*himajin.moo.jp*/