function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}
function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}

function createEncodings(boatWaypoints) {
  var i = 0;

  var plat = 0;
  var plng = 0;

  var encoded_points = "";
  var encoded_levels = "";

  for(i = 0; i < boatWaypoints.length; ++i) {
    var point = boatWaypoints[i];
    var lat = point[0];
    var lng = point[1];
    var level = 6;

    var late5 = Math.round(lat * 1e5);
    var lnge5 = Math.round(lng * 1e5);

    dlat = late5 - plat;
    dlng = lnge5 - plng;

    plat = late5;
    plng = lnge5;

    encoded_points += encodeSignedNumber(dlat) + encodeSignedNumber(dlng);
    encoded_levels += encodeNumber(level);
  }
 

  

  
    boatRoute = GPolyline.fromEncoded({color: "#a50606",
                                              weight: 3,
                                              points: encoded_points,
                                              zoomFactor: 16,
                                              levels: encoded_levels,
                                              numLevels: 4
                                             });

    map.addOverlay(boatRoute);
	//console.log(boatRoute.getLength());
  
}

function encodeSignedNumber(num) {
  var sgn_num = num << 1;

  if (num < 0) {
    sgn_num = ~(sgn_num);
  }

  return(encodeNumber(sgn_num));
}

function encodeNumber(num) {
  var encodeString = "";

  while (num >= 0x20) {
    encodeString += (String.fromCharCode((0x20 | (num & 0x1f)) + 63));
    num >>= 5;
  }

  encodeString += (String.fromCharCode(num + 63));
  return encodeString;
}



function isValidEmail(email) {
		var emailRegExp = /^\w(?:\w|-|\.(?!\.|@))*@\w(?:\w|-|\.(?!\.))*\.\w{2,4}/ 
		var result = email.match(emailRegExp);
		if ((result && result[0].length != email.length) || !result) {
			return false
		} else {
			return true
		}
	}
	
	function setMap(mapSize) {
		$.get('_ajax/set_map_size.cfm',{rand:Math.random(),largeMap:mapSize},function() {
			window.location.reload();																			  
		});	
	}
	
function chkNewsletterForm() {
	if (!$('#newsletterSubscribe').val().length || !isValidEmail($('#newsletterSubscribe').val())) {
		alert('Please enter a valid email address');
		return false
	} else {
		$.get('_ajax/subscribe_newsletter.cfm',{rand:Math.random(),email:$('#newsletterSubscribe').val()},function() {
			alert('Thank you for subscribing!');
		});
		return false
	}
	
}

$(document).ready(function() {
	$('#newsletterSubscribe').click(function() {
		if (this.value=='Enter Email Address')	 {
			this.value = '';	
		}
	});	
	if ($('#crewForm').size()) {
		$('#crewMember').change(function() {
			if ($(this).val() != '') {
				//window.location.href='/news/'+$('#crewForm #crewyear').val()+'/'+$('#crewForm #crewmonth').val()+'/crew/'+$(this).val();
				window.location.href='/news/crew/'+$(this).val();
			}
		});
	}
});