whichFormat = 1;
//latlon = 47.1245643544;
function initLatLonWidget(latlonCtrl){
	self[latlonCtrl+'_opt1'] = document.getElementById(latlonCtrl+'_opt1x');
	self[latlonCtrl+'_opt1_1'] = document.getElementById(latlonCtrl+'_opt1_1x');
	self[latlonCtrl+'_opt1_2'] = document.getElementById(latlonCtrl+'_opt1_2x');
	self[latlonCtrl+'_opt1_3'] = document.getElementById(latlonCtrl+'_opt1_3x');
	self[latlonCtrl+'_opt1_4'] = document.getElementById(latlonCtrl+'_opt1_4x');
	self[latlonCtrl+'_opt2'] = document.getElementById(latlonCtrl+'_opt2x');
	self[latlonCtrl+'_opt2_1'] = document.getElementById(latlonCtrl+'_opt2_1x');
	self[latlonCtrl+'_opt2_2'] = document.getElementById(latlonCtrl+'_opt2_2x');
	self[latlonCtrl+'_opt2_3'] = document.getElementById(latlonCtrl+'_opt2_3x');
	self[latlonCtrl+'_opt3'] = document.getElementById(latlonCtrl+'_opt3x');
	self[latlonCtrl+'_opt3_1'] = document.getElementById(latlonCtrl+'_opt3_1x');
	
	//self[latlonCtrl+'_arrowLatLon'] = document.getElementById(latlonCtrl+'_arrowx');
	//arrowLatLon.style.left = opt1.offsetLeft+opt1.offsetWidth+2+"px";
	
	self[latlonCtrl+'_opt2_3'].style.width = (self[latlonCtrl+'_opt1'].offsetWidth-self[latlonCtrl+'_opt2_1'].offsetWidth-self[latlonCtrl+'_opt2_2'].offsetWidth-4)+"px";
	self[latlonCtrl+'_opt3_1'].style.width = (self[latlonCtrl+'_opt1'].offsetWidth-4)+"px";
}

function latLonWidgetVisibility(){
	self["lat0_opt"+whichFormat].style.visibility = "hidden";
	self["lat1_opt"+whichFormat].style.visibility = "hidden";
	self["lon0_opt"+whichFormat].style.visibility = "hidden";
	self["lon1_opt"+whichFormat].style.visibility = "hidden";
	whichFormat = 4-degreeDisplayMode;
	self["lat0_opt"+whichFormat].style.visibility = "visible";
	self["lat1_opt"+whichFormat].style.visibility = "visible";
	self["lon0_opt"+whichFormat].style.visibility = "visible";
	self["lon1_opt"+whichFormat].style.visibility = "visible";
}

changed2_3 = false;
//setOpt1();	setOpt2();	setOpt3();

function setFixed(ctrl){
	setOpt1();	setOpt2();	setOpt3();
	changed2_3 = false;
}

// Dir / degrees / minutes / seconds input change
function opt1_1Change(newVal, latlonCtrl){
	self[latlonCtrl+"_latlon"] = -self[latlonCtrl+"_latlon"];
	//setOpt1(latlonCtrl);	setOpt2(latlonCtrl);	setOpt3(latlonCtrl);
}
function opt1_2Change(newVal, latlonCtrl){
	if(isNaN(newVal)||(newVal<0)) {
		alert("Degrees must be greater than 0.0");
		self[latlonCtrl+'_opt1_2'].value=saveVal;
		return false;
	}
	if(latlonCtrl.indexOf("lat")>=0) { degLimit = 90; } else { degLimit = 180; }
	newVal = newVal%degLimit;
	self[latlonCtrl+"_latlon"] = Number(newVal) + Number(self[latlonCtrl+'_opt2_3'].value)/60.0;
	if(self[latlonCtrl+'_opt1_1'].options[1].selected) { self[latlonCtrl+"_latlon"] = -self[latlonCtrl+"_latlon"]; }
	//setOpt1(latlonCtrl);	setOpt2(latlonCtrl);	setOpt3(latlonCtrl);
}
function opt1_3Change(newVal, latlonCtrl){
	if(isNaN(newVal)||(newVal<0)||(newVal>59)) {
		alert("Minutes must be between 0 and 60");
		self[latlonCtrl+'_opt1_3'].value=saveVal;
		return false;	
	}
	self[latlonCtrl+"_latlon"] = Number(self[latlonCtrl+'_opt1_2'].value) + Number(newVal)/60.0 + Number(self[latlonCtrl+'_opt1_4'].value)/3600.0;
	if(self[latlonCtrl+'_opt1_1'].options[1].selected) { self[latlonCtrl+"_latlon"] = -self[latlonCtrl+"_latlon"]; }
	//setOpt1(latlonCtrl);	setOpt2(latlonCtrl);	setOpt3(latlonCtrl);
}
function opt1_4Change(newVal, latlonCtrl){
	if(isNaN(newVal)||(newVal<0)||(newVal>59.99)) {
		alert("Seconds must be between 0 and 60");
		self[latlonCtrl+'_opt1_4'].value=saveVal;
		return false;
	}
	self[latlonCtrl+"_latlon"] = Number(self[latlonCtrl+'_opt1_2'].value) + Number(self[latlonCtrl+'_opt1_3'].value)/60.0 + Number(newVal)/3600.0;
	if(self[latlonCtrl+'_opt1_1'].options[1].selected) { self[latlonCtrl+"_latlon"] = -self[latlonCtrl+"_latlon"]; }
	//setOpt1(latlonCtrl);	setOpt2(latlonCtrl);	setOpt3(latlonCtrl);
}

// Dir / degrees / decimal minutes input change
function opt2_1Change(newVal, latlonCtrl){
	self[latlonCtrl+"_latlon"] = -self[latlonCtrl+"_latlon"];
	//setOpt1(latlonCtrl);	setOpt2(latlonCtrl);	setOpt3(latlonCtrl);
}
function opt2_2Change(newVal, latlonCtrl){
	if(isNaN(newVal)||(newVal<0)) {
		alert("Degrees must be greater than 0.0");
		self[latlonCtrl+'_opt2_2'].value=saveVal;
		return false;
	}
	if(latlonCtrl.indexOf("lat")>=0) { degLimit = 90; } else { degLimit = 180; }
	newVal = newVal%degLimit;
	self[latlonCtrl+"_latlon"] = Number(newVal) + Number(self[latlonCtrl+'_opt2_3'].value)/60.0;
	if(self[latlonCtrl+'_opt2_1'].options[1].selected) { self[latlonCtrl+"_latlon"] = -self[latlonCtrl+"_latlon"]; }
	//setOpt1(latlonCtrl);	setOpt2(latlonCtrl);	setOpt3(latlonCtrl);
}
function opt2_3Change(newVal, latlonCtrl){
	if(isNaN(newVal)||(newVal<0)||(newVal>59.9999999)) {
		alert("Minutes must be between 0 and 60");
		self[latlonCtrl+'_opt2_3'].value=saveVal;
		return false;
	}
	if(newVal.substr(-1)==".") { return; }
	self[latlonCtrl+"_latlon"] = Number(self[latlonCtrl+'_opt2_2'].value) + Number(newVal)/60.0;
	if(self[latlonCtrl+'_opt2_1'].options[1].selected) { self[latlonCtrl+"_latlon"] = -self[latlonCtrl+"_latlon"]; }
	//setOpt1(latlonCtrl);	setOpt2(latlonCtrl);	setOpt3(latlonCtrl);
}

// Decimal degrees input change
function opt3Change(newVal, latlonCtrl){
	if(isNaN(newVal)) { return false; }
	self[latlonCtrl+"_latlon"] = newVal%180;
	//setOpt1(latlonCtrl);	setOpt2(latlonCtrl);	setOpt3(latlonCtrl);
}


function setOpt1(latlonCtrl){
	if(self[latlonCtrl+"_latlon"]=="") {	// Create New AOI
		if(latlonCtrl.substr(0,3)=="lon") {	// Set N/S E/W to initial values of N & W
			self[latlonCtrl+'_opt1_1'].options[1].selected = true;
		}else {
			self[latlonCtrl+'_opt1_1'].options[0].selected = true;
		}
	} else {								// Edit an AOI
		if(self[latlonCtrl+"_latlon"]<0) {	// Set N/S E/W based on latlon value
			self[latlonCtrl+'_opt1_1'].options[1].selected = true;
		}else {
			self[latlonCtrl+'_opt1_1'].options[0].selected = true;
		}
	}
	self[latlonCtrl+'_opt1_2'].value = Math.floor(Math.abs(self[latlonCtrl+"_latlon"]));
	var minutes = ((Math.abs(self[latlonCtrl+"_latlon"])-self[latlonCtrl+'_opt1_2'].value)*60.0).toFixed(4);
	self[latlonCtrl+'_opt1_3'].value = Math.floor(minutes);
	self[latlonCtrl+'_opt1_4'].value = ((minutes-Number(self[latlonCtrl+'_opt1_3'].value))*60.0).toFixed(2);
}
function setOpt2(latlonCtrl){
	if(self[latlonCtrl+"_latlon"]<0) {
		self[latlonCtrl+'_opt2_1'].options[1].selected = true;
	}else {
		self[latlonCtrl+'_opt2_1'].options[0].selected = true;
	}
	self[latlonCtrl+'_opt2_2'].value = Math.floor(Math.abs(self[latlonCtrl+"_latlon"]));
	self[latlonCtrl+'_opt2_3'].value = Math.round(((Math.abs(self[latlonCtrl+"_latlon"])-self[latlonCtrl+'_opt2_2'].value)*60.0)*Math.pow(10,4))/Math.pow(10,4);
}
function setOpt3(latlonCtrl){
	self[latlonCtrl+'_opt3_1'].value = Math.round(self[latlonCtrl+"_latlon"]*Math.pow(10,6))/Math.pow(10,6);
}