document.write('<iframe id=CalFrame name=CalFrame frameborder=0 src=calendar.htm style=display:none;position:absolute;z-index:100 ></iframe>');
document.onclick=hideCalendar;

function showCalendar(sImg,bOpenBound,sFld1,sFld2,sCallback)
{
	var fld1,fld2;
	var cf=document.getElementById("CalFrame");
	var wcf=window.frames.CalFrame;
	var oImg=document.getElementById(sImg);
	if(!oImg){alert("wrong image field");return;}
	if(!sFld1){alert("no input field");return;}
	fld1=document.getElementById(sFld1);
	if(!fld1){alert("can not find input field");return;}
	if(fld1.tagName!="INPUT"||fld1.type!="text"){alert("this is not an input field");return;}
	if(sFld2)
	{
		fld2=document.getElementById(sFld2);
		if(!fld2){alert("can not find input field");return;}
		if(fld2.tagName!="INPUT"||fld2.type!="text"){alert("not an input field");return;}
	}
	if(!wcf.bCalLoaded){alert("not able to load");return;}
	if(cf.style.display=="block"){cf.style.display="none";return;}
	
	var eT=0,eL=0,p=oImg;
	var sT=document.body.scrollTop,sL=document.body.scrollLeft;
	var eH=oImg.height,eW=oImg.width;
	while(p&&p.tagName!="BODY"){eT+=p.offsetTop;eL+=p.offsetLeft;p=p.offsetParent;}
	cf.style.top=(document.body.clientHeight-(eT-sT)-eH>=cf.height)?eT+eH:eT-cf.height;
	cf.style.left=(document.body.clientWidth-(eL-sL)>=cf.width)?eL:eL+eW-cf.width;
	cf.style.display="block";
	
	wcf.openbound=bOpenBound;
	wcf.fld1=fld1;
	wcf.fld2=fld2;
	wcf.callback=sCallback;
	wcf.initCalendar();
}
function hideCalendar()
{
	var cf=document.getElementById("CalFrame");
	cf.style.display="none";
	
	var cf=document.getElementById("PortFrame");
	cf.style.display="none";
}

document.write('<iframe id=PortFrame name=PortFrame frameborder=0 src=PopularAirports.html style=display:none;position:absolute;z-index:100;background-color:skyblue; border:1px solid #000000></iframe>');

function hideList()
{
	XPosElement = document.getElementById("airport_span");
	XPosElement.innerHTML = '';
	XPosElement.style.display="none";
	//XPosElement.visibility="invisible";		
}
function showAirportList( sFld1, city_indicator ,airportid)
{
	IndicatorElement = document.getElementById(city_indicator);
	IndicatorElement.innerHTML = '';

	hideList();

	var fld1;
	var cf=document.getElementById("PortFrame");
	var wcf=window.frames.PortFrame;
	
	fld1=document.getElementById(sFld1);
	
	if(cf.style.display=="block"){cf.style.display="none";return;}
	
	//var eT=0,eL=0,p=fld1;
	//var sT=document.body.scrollTop,sL=document.body.scrollLeft;
	//var eH=sFld1.height,eW=sFld1.width;
	
	//while(p&&p.tagName!="BODY"){eT+=p.offsetTop;eL+=p.offsetLeft;p=p.offsetParent;}

	//cf.style.top=(document.body.clientHeight-(eT-sT)-eH>=cf.height)?eT+eH:eT-cf.height;
	//cf.style.left=(document.body.clientWidth-(eL-sL)>=cf.width)?eL:eL+eW-cf.width;
	
	var apXY = findcomXY(document.getElementById(airportid));
	cf.style.top=apXY.top + 20;
	cf.style.left=apXY.left;
	cf.style.display="block";

	wcf.fld1=fld1;

	wcf.initAirportList();
}
function hideAirportList()
{
	var cf=document.getElementById("PortFrame");
	cf.style.display="none";
}