function compareDate(DateOne,DateTwo)
    { 
    var OneMonth = DateOne.substring(5,DateOne.lastIndexOf ("-"));
    var OneDay = DateOne.substring(DateOne.length,DateOne.lastIndexOf ("-")+1);
    var OneYear = DateOne.substring(0,DateOne.indexOf ("-"));

    var TwoMonth = DateTwo.substring(5,DateTwo.lastIndexOf ("-"));
    var TwoDay = DateTwo.substring(DateTwo.length,DateTwo.lastIndexOf ("-")+1);
    var TwoYear = DateTwo.substring(0,DateTwo.indexOf ("-"));
    if (Date.parse(OneMonth+"/"+OneDay+"/"+OneYear) >
    Date.parse(TwoMonth+"/"+TwoDay+"/"+TwoYear))
    {
	    return true;
    }
    else
    {
	    return false;
    }
}

function InternationalCheckSubmit()
{
     if ($("txtdCity2").value==''||$("txtdCity2").value=='中文/英文')
        {
            alert("出发城市不能为空！");
            $("txtdCity2").focus();
            return false;
        }
        
        if ($("txtdest_city2").value==''||$("txtdest_city2").value=='中文/英文')
        {
            alert("目的城市不能为空！");
            $("txtdest_city2").focus();
            return false;
        }

        if ($("txtdDatePeriod2").value==''||$("txtdDatePeriod2").value=='yyyy-mm-dd')
        {
            alert("出发日期不能为空！");
            $("txtdDatePeriod2").focus();
            return false;
        }

        if ($("checkbox2").checked==true)
        {    	
            if ($("txtADatePeriod2").value==''||$("txtADatePeriod2").value=='yyyy-mm-dd')
            {
	            alert("返程日期不能为空！");
	            $("txtADatePeriod2").focus();
	            return false;
            }

            d1 = $("txtDDatePeriod2").value;
            d2 = $("txtADatePeriod2").value;
            if (compareDate(d1,d2))
            {
	            alert("返程日期必须晚于出发日期！");
	            return false;
            }
     }
        $("btn_inter").disabled=true;
 
   document.getElementById("form_inter").submit();
	
}


 function custormertypeselect()
{
	if( $("custormertype1").checked==true )
	{
		$("custormertype5").disabled=false;
		$("custormertype6").disabled=false;
	}
	else
	{
		$("custormertype5").disabled=true;
		$("custormertype6").disabled=true;
	}

}

function cbselect()
{
	if( $("custormertype4").checked==true )
	{
		$("custormertype2").disabled=false;
		$("custormertype3").disabled=false;
	}
	else
	{
		$("custormertype2").disabled=true;
		$("custormertype3").disabled=true;
	}
}


function showIvfancheng(str){	
    if(str==0)
    {
        document.getElementById("c_date2").style.display="none"
	    document.getElementById("c_date3").style.display="none"
    }
    else if(str==1)
    {
        document.getElementById("c_date2").style.display="block"
	    document.getElementById("c_date3").style.display="none"
    }
    else
    {
	    document.getElementById("c_date3").style.display="block"
        document.getElementById("c_date2").style.display="none"
    }
}