d=document;
ft=d.train_query_from_to_form,ftf=ft.start,ftt=ft.stop;
ft2=d.train_query_number_form;ft2n=ft2.number;
ft3=d.train_query_station_form;ft3s=ft3.start;
fcf=function(){t=this;if(-1!=t.value.indexOf('输入')){t.value='';t.className='input';}}
fcb=function(){t=this;if(''==t.value){t.className='init';t.value='输入'+(t==ft3s?'火车站':(t==ft2n?'车次':(t==ftf?'起':'终')+'点站'));}}
fcl=function(t){t.className=(-1!=t.value.indexOf('输入'))?'init':'input';}
ftf.onfocus=fcf;ftf.onblur=fcb;ftt.onfocus=fcf;ftt.onblur=fcb;ft2n.onfocus=fcf;ft2n.onblur=fcb;ft3s.onfocus=fcf;ft3s.onblur=fcb;
fcl(ftf);fcl(ftt);fcl(ft2n);fcl(ft3s);
switch_form=function(t){o0=$('train_query_from_to_form');o1=$('train_query_number_form');o2=$('train_query_station_form');var s='o0.style.display="none";o1.style.display="none";o2.style.display="none";';eval(s.replace('o'+t+'.style.display="none";','o'+t+'.style.display="";'));return false;};