<!--
function check() {
if ( document.show.ruzhu.value == "")  {
alert("请选择入住日期类型！");
popFrame.fPopCalendar('dc1','dc1',event);
return false
}
if ( document.show.lidian.value == "")  {
alert("请选择离店日期类型！");
popFrame.fPopCalendar('dc2','dc2',event);
return false
}
if ( document.show.lidian.value == document.show.ruzhu.value)  {
alert("入住日期与离店日期不能相同！");
return false
}
if ( document.show.citya.value == "")  {
alert("城市不能为空！");
show.citya.focus();
return false
}
if (stringToDate(document.show.lidian.value,true)<=stringToDate(document.show.ruzhu.value,true))  {
alert("请选择离店日期类型！");
return false
}
}

function checkhotel() {
if ( document.leftshow.ruzhu.value == "")  {
alert("请选择入住日期类型！");
popFrame.fPopCalendar('dc3','dc3',event);
return false
}
if ( document.leftshow.lidian.value == "")  {
alert("请选择离店日期类型！");
popFrame.fPopCalendar('dc4','dc4',event);
return false
}
if ( document.leftshow.lidian.value == document.leftshow.ruzhu.value)  {
alert("入住日期与离店日期不能相同！");
return false
}

if (stringToDate(document.leftshow.lidian.value,true)<=stringToDate(document.leftshow.ruzhu.value,true))  {
alert("请选择离店日期类型！");
return false
}
}
//-->