//*************
	// some useful functions
	//*************

	function set_div_text(toSetID, text){
		if(document.all){
			(document.all[toSetID]).innerHTML = text;
		}else if(document.getElementById){//gecko(NN6) + IE 5+
			(document.getElementById(toSetID)).innerHTML = text;
		}
	}


	//*************
	// the class for describing each location
	//*************
	function site(id, name, desc, image, permlink, lat, lng){
		this.id = id;
		this.name = name;
		this.desc = desc;
		this.image = image;
		this.permlink = permlink;
		this.lat = lat;
		this.lng = lng;
		this.point = new GPoint(this.lng, this.lat);
		this.marker;
		this.marker2;
	}
	document.sites = new Array();

    //***********
    // draw the map controls and logo
    // with different filetypes, for
    // compatibility reasons.
    // also, give these controls their functions.
    //***********
    var images_folder = "PNG";
    var images_extension = "png";
    // Microsoft spoils everyone's fun again. Since IE doesn't support pngs,
    // Things will have to look a bit different.
    if(navigator.appName == "Microsoft Internet Explorer"){
    	images_folder = "IE";
    	images_extension = "gif";
    }
    
    
	//**************
	// some vars 
	//**************
	var selected = new GMarker(0, 0);
	var selectedSite;
	var nothingSelectedYet = true;
	var showAllLink = "<a href=\"javascript:;\" onClick=\"showAllSites(map)\">Show all sites</a>" ;

	//**************
	// map nav functions
	//**************
//	map control functions
	var north="north"; var east="east"; var south="south"; var west="west";
	function pan(map, dir){
		var bounds = map.getBoundsLatLng();
		var xCenter = bounds.minX + (bounds.maxX - bounds.minX) / 2;
		var yCenter = bounds.minY + (bounds.maxY - bounds.minY) / 2;
		if(dir==north) map.recenterOrPanToLatLng(new GPoint(xCenter, bounds.maxY));
		if(dir==east)  map.recenterOrPanToLatLng(new GPoint(bounds.maxX, yCenter));
		if(dir==south) map.recenterOrPanToLatLng(new GPoint(xCenter, bounds.minY));
		if(dir==west)  map.recenterOrPanToLatLng(new GPoint(bounds.minX, yCenter));
	}
	function origin(map){
		map.recenterOrPanToLatLng(startCenter);
	}
	function zoomCtl(map, lvl){
		map.zoomTo(lvl);
		for(var i=0; i < 18; i++){
			document.images['z'+i].src = 'http://www.bondst.org/'+'images/'+images_folder+'/ctlZoomNotch.'+images_extension;
		}
		document.images['z'+lvl].src = 'http://www.bondst.org/'+'images/'+images_folder+'/ctlZoomSel.'+images_extension;
	}


	function createMarker(map, site) {
		var marker = new GMarker(site.point, icon);
		GEvent.addListener(marker, "click", markerOnClick);
		site.marker = marker;
		map.addOverlay(marker);
	}
	
	function markerOnClick(){
	
		var p = this.getPoint();
		//make and delete whatever markers need to be be made or deleted
		if(!nothingSelectedYet){
			//remove old selected marker
			var markerParent = findMarkerParent(selectedSite.marker, document.sites);
			map.removeOverlay(selectedSite.marker);
			//map.removeOverlay(selectedSite.marker2);
			//replace old marker
			createMarker(map, markerParent);
		} else {
			nothingSelectedYet=false;
		}
		
		//find new marker's site
		var markerParent = findMarkerParent(this, document.sites);
		selectedSite = markerParent;
		// display the summary above the map
//		selectSite(selectedSite);

		//replace the selected site's marker with the selected version
		map.removeOverlay(selectedSite.marker);
//		markerParent.marker = new GMarker(markerParent.point, iconSel);
//		markerParent.marker2 = new GMarker(markerParent.point, iconSelLine);
//		map.addOverlay(markerParent.marker2);
//		map.addOverlay(markerParent.marker);
		markerParent.marker = new GMarker(markerParent.point, iconSel);
		var marker = markerParent.marker;
		map.addOverlay(marker);
		marker.openInfoWindowHtml(selectedSiteDisplayWindowHTML(selectedSite));

	}

	function findMarkerParent(marker, haystack){
		var needle;
		for(var i=0; i < haystack.length; i++){
			if(haystack[i].marker == marker) needle = haystack[i];
		}
		return needle;
	}
	
/*
	function selectSite(siteSel){
		set_div_text("map_article_image", siteSel.image);

		var titletext= '<div class="article_titletop"><img src="'+'http://www.bondst.org/'+'corners/wo!tl.gif" alt="" width="11" height="11" class="tcorner" style="display: none" /></div>';
		titletext += '<p>'+siteSel.name+'</p>';
		titletext += '<div class="article_titlebottom"><img src="'+'http://www.bondst.org/'+'corners/woo!bl.gif" alt="" width="11" height="11"  class="tcorner" style="display: none" /></div>';
		set_div_text("map_article_title", titletext);

		var desctext = siteSel.desc;
		desctext += '<p>'+siteSel.permlink+'</p>';
		set_div_text("map_article_desc", desctext);
	}
*/

	function selectedSiteDisplayWindowHTML(siteSel){

		var titletext= '<div class="map_article_titletop"><img src="'+'http://www.bondst.org/'+'corners/map_article_title_tl.gif" alt="" width="11" height="11" class="tcorner" style="display: none" /></div>';
		titletext += '<p>'+siteSel.name+'</p>';
		titletext += '<div class="map_article_titlebottom"><img src="'+'http://www.bondst.org/'+'corners/map_article_title_bl.gif" alt="" width="11" height="11"  class="tcorner" style="display: none" /></div>';

		var desctext = siteSel.desc;
		desctext += '<p>'+siteSel.permlink+'</p>';

		var txt ='<div class="map_display_window">';
		txt += 	'<div id="map_article_image">'+siteSel.image+'</div>';
		txt += 	'<div id="map_article_text">';
		txt += 		'<div id="map_article_title" class="article_title">';
		txt += 	    titletext;
		txt += 		'</div> <div class="clear"> </div> ';
		txt += 		'<div id="map_article_desc">' + desctext + '</div>';
		txt += 	'</div>';
		txt += '</div>';
		
		
		return txt;
	}

	function showAllSites(map){
		map.clearOverlays();
		for(var i = 0; i < document.sites.length; i++){
			createMarker(map, document.sites[i]);
		}
	}



//**************
// some functions for the Latitude/Longitude Finder
//**************
function edInsertContent(myField, myValue){
	// IE support
	if (document.selection){
		myField.focus();
		sel = document.selection.createRange();
		sel.text = myValue;
		myField.focus();
	}

	// Mozilla/Netscape support
	else if (myField.selectionStart || myField.selectionStart == '0'){
		startPos = myField.selectionStart;
		endPos = myField.selectionEnd;

		myField.value = myField.value.substring(0, startPos) + myValue + myField.value.substring(endPos, myField.value.length);

		myField.focus();
		myField.selectionStart = startPos + myValue.length;
		myField.selectionEnd = startPos + myValue.length;
	}else{
		myField.value += myValue;
		myField.focus();
	}
}

function insertTag(type){
	var insert = document.latlngMarker.getPoint().y+', '+document.latlngMarker.getPoint().x;

	if ( window.opener.document.article){
		if (type == 'custom_fields'){
			var custom1 = window.opener.document.getElementsByName("custom_1");
			for (i=0; i< custom1.length; i++) custom1[i].value = document.latlngMarker.getPoint().y;
			var custom2 = window.opener.document.getElementsByName("custom_2");
			for (i=0; i< custom2.length; i++) custom2[i].value = document.latlngMarker.getPoint().x;
		} else {
			var temp = 'window.opener.document.article.' + window.opener.current;
			temp = eval(temp);
			window.opener.edInsertContent(temp, insert);
		}
	}else if (window.opener.document.forms[0].Form){
		window.opener.edInsertContent(window.opener.document.forms[0].Form, insert);
	}else if (window.opener.document.forms[0].html){
		window.opener.edInsertContent(window.opener.document.forms[0].html, insert);
	}

	return false;
}