function getItem(id) {
  if (document.getElementById) return document.getElementById(id);
  else return document.all.item(id);
}

function getTags(el,tagname) {
  if (el.getElementsByTagName) return el.getElementsByTagName(tagname);
  else return el.all.tags(tagname);
}

function getCookie(cname) {
    var name = cname + "=";
    var ca = document.cookie.split(';');
    for(var i=0; i<ca.length; i++) {
        var c = ca[i];
        while (c.charAt(0)==' ') c = c.substring(1);
        if (c.indexOf(name) == 0) return c.substring(name.length, c.length);
    }
    return "";
}

function CheckAll(formname) {
	for (var i = 0; i < document.forms[formname].elements.length; i++) {
		if(document.forms[formname].elements[i].type == 'checkbox'){
			document.forms[formname].elements[i].checked = !(document.forms[formname].elements[i].checked);
		}
  	}
}

function overlay_block(item) {
    document.body.style.overflow = 'hidden';
	$( "#overlay" ).fadeIn( 200, function() {
		// Animation complete
		$( "#"+item ).fadeIn( 400, function() {
			// Animation complete
			$( "#navigation" ).addClass("blur");
			$( "#header" ).addClass("blur");
			$( "#headerfilter" ).addClass("blur");
			$( "#headermedia" ).addClass("blur");
			$( "#headerelements" ).addClass("blur");
			$( "#headertitle" ).addClass("blur");
			$( "#headermessage" ).addClass("blur");
			$( "#logo" ).addClass("blur");
			$( "#page" ).addClass("blur");
			$( "#footer" ).addClass("blur");
		});
	});
}

function overlay_none(item) {
    $( "#navigation" ).removeClass("blur");
    $( "#header" ).removeClass("blur");
    $( "#headerfilter" ).removeClass("blur");
    $( "#headermedia" ).removeClass("blur");
    $( "#headerelements" ).removeClass("blur");
    $( "#headertitle" ).removeClass("blur");
    $( "#headermessage" ).removeClass("blur");
    $( "#logo" ).removeClass("blur");
    $( "#page" ).removeClass("blur");
    $( "#footer" ).removeClass("blur");
	$( "#"+item ).fadeOut( 200, function() {
		// Animation complete
	});
	$( "#overlay" ).fadeOut( 400, function() {
		// Animation complete
	});
	document.body.style.overflow = 'auto';
}

function overlay_next(item,next) {
	$( "#"+item ).fadeOut( 100, function() {
		// Animation complete
		$( "#"+next ).fadeIn( 200, function() {
			// Animation complete
		});
	});
}

function doCloseOverlay() {
    $( "#navigation" ).removeClass("blur");
    $( "#header" ).removeClass("blur");
    $( "#page" ).removeClass("blur");
    $( "#headerfilter" ).removeClass("blur");
    $( "#headermedia" ).removeClass("blur");
    $( "#headerelements" ).removeClass("blur");
    $( "#headertitle" ).removeClass("blur");
    $( "#headermessage" ).removeClass("blur");
    $( "#logo" ).removeClass("blur");
    $( "#footer" ).removeClass("blur");
	$( "#overlay" ).fadeOut( 400, function() {
		// Animation complete
	});
	$( "#overlay" ).find(".overlayfoto_houder").hide(); 
	document.body.style.overflow = 'auto';
}

function ConvertDMSToDEG(dms) {   
    var dms_Array = dms.split(/[^\d\w\.]+/); 
    var degrees = dms_Array[0];
    var minutes = dms_Array[1];
    var seconds = dms_Array[2];
    var direction = dms_Array[3];

    var deg = (Number(degrees) + Number(minutes)/60 + Number(seconds)/3600).toFixed(6);

    if (direction == "S" || direction == "W") {
        deg = deg * -1;
    } // Don't do anything for N or E
    return deg;
}

function ConvertDEGToDMS(deg, lat) {
    var absolute = Math.abs(deg);

    var degrees = Math.floor(absolute);
    var minutesNotTruncated = (absolute - degrees) * 60;
    var minutes = Math.floor(minutesNotTruncated);
    var seconds = ((minutesNotTruncated - minutes) * 60).toFixed(2);

    if (lat) {
        var direction = deg >= 0 ? "N" : "S";
    } else {
        var direction = deg >= 0 ? "E" : "W";
    }

    return degrees + "°" + minutes + "'" + seconds + "\"" + direction;
}