var activated = false;

function openWin( winHeight, winWidth, picSrc ){
		newWin = window.open('', '', 'height='+ winHeight + ',width='+ winWidth + 'toolbars=no, scrollbars=no' );
		newWin.document.write("<head><title>"+ picSrc +"<\/title><\/head>");
		newWin.document.write("<center>");
		newWin.document.write("<img src=" + picSrc + ">");
		newWin.document.write("<br\/><br\/><form><input type='button' value='Close' onclick='JavaScript:window.close()'>");
		newWin.document.write("<\/form><\/center>");
	}
function show_cal_details( calId ){
		loadurl('/calendar/details/'+calId)
	}
function show_church_details( churchId ){
		loadurl('/churches/'+churchId)
	}

function confirmDeleteItem()
{
var agree2=confirm("Are you sure you want to delete the item?");
if (agree2)
        return true ;
else
        return false ;
}

function loadurl(dest) {
 try {
   xmlhttp = window.XMLHttpRequest?new XMLHttpRequest():
  		new ActiveXObject("Microsoft.XMLHTTP");
 }
 catch (e) { /* do nothing */ }
 
 xmlhttp.onreadystatechange = triggered;
 xmlhttp.open("GET", dest);
 xmlhttp.send(null);
}

function triggered() {
  if (xmlhttp.readyState == 4) if (xmlhttp.status == 200)
    document.getElementById("output").innerHTML =xmlhttp.responseText;
}

function viewtab($tab) {
  document.getElementById('tab1').style.display='none';
  document.getElementById('tab1link').setAttribute("class", "");
  document.getElementById('tab1link').setAttribute("className", "");
	if (document.getElementById('tab2') != null)
	{
		document.getElementById('tab2').style.display='none';
		document.getElementById('tab2link').setAttribute("class", "");
		document.getElementById('tab2link').setAttribute("className", "");
	}
	if (document.getElementById('tab3') != null)
	{
		document.getElementById('tab3').style.display='none';
		document.getElementById('tab3link').setAttribute("class", "");
		document.getElementById('tab3link').setAttribute("className", "");
	}
	if (document.getElementById('tab4') != null)
	{
		document.getElementById('tab4').style.display='none';
		document.getElementById('tab4link').setAttribute("class", "");
		document.getElementById('tab4link').setAttribute("className", "");
	}
  document.getElementById($tab).style.display='block';
  document.getElementById($tab+'link').setAttribute("class", "active");
  document.getElementById($tab+'link').setAttribute("className", "active");
  
  if (($tab=='tab2')&&(activated==false))
  { activateMap(); }
}

/* Javascript Animation Script from http://www.harrymaugans.com/2007/03/06/how-to-create-an-animated-sliding-collapsible-div-with-javascript-and-css/ */

var timerlen = 5;
var slideAniLen = 250;


var timerID = new Array();
var startTime = new Array();
var obj = new Array();
var endHeight = new Array();
var moving = new Array();
var dir = new Array();

function slidedown(objname){
        if(moving[objname])
                return;

       if(document.getElementById(objname).style.display != "none")
                return; // cannot slide down something that is already visible

        moving[objname] = true;
        dir[objname] = "down";
        startslide(objname);
}

function slideup(objname){
        if(moving[objname])
                return;
        if(document.getElementById(objname).style.display == "none")
                return; // cannot slide up something that is already hidden

        moving[objname] = true;
        dir[objname] = "up";
        startslide(objname);
}

function startslide(objname){
        obj[objname] = document.getElementById(objname);
        endHeight[objname] = parseInt(obj[objname].style.height);
        startTime[objname] = (new Date()).getTime();

        if(dir[objname] == "down"){
                obj[objname].style.height = "1px";
        }

        obj[objname].style.display = "block";
        timerID[objname] = setInterval('slidetick(\'' + objname + '\');',timerlen);
}

function slidetick(objname){

        var elapsed = (new Date()).getTime() - startTime[objname];
        if (elapsed > slideAniLen)
                endSlide(objname)
        else {
                var d =Math.round(elapsed / slideAniLen * endHeight[objname]);
                if(dir[objname] == "up")
                        d = endHeight[objname] - d;
                obj[objname].style.height = d + "px";
        }
        return;
}

function endSlide(objname){
        clearInterval(timerID[objname]);
        if(dir[objname] == "up")
                obj[objname].style.display = "none";
        obj[objname].style.height = endHeight[objname] + "px";

        delete(moving[objname]);
        delete(timerID[objname]);
        delete(startTime[objname]);
        delete(endHeight[objname]);
        delete(obj[objname]);
        delete(dir[objname]);
        return;
}

function toggleSlide(objname){

  if(document.getElementById(objname).style.display == "none"){
    // div is hidden, so let's slide down
    slidedown(objname);
	document.getElementById(objname+'_toggle').innerHTML = '<img src="/images/arrow_up.png"/><img src="/images/arrow_up.png"/><img src="/images/arrow_up.png"/><img src="/images/arrow_up.png"/>';
  }else{
    // div is not hidden, so slide up
    slideup(objname);
	document.getElementById(objname+'_toggle').innerHTML = '<img src="/images/arrow_down.png"/><img src="/images/arrow_down.png"/><img src="/images/arrow_down.png"/><img src="/images/arrow_down.png"/>';
  }
}


var BrowserDetect = {
	init: function () {
		this.browser = this.searchString(this.dataBrowser) || "An unknown browser";
		this.version = this.searchVersion(navigator.userAgent)
			|| this.searchVersion(navigator.appVersion)
			|| "an unknown version";
		this.OS = this.searchString(this.dataOS) || "an unknown OS";
	},
	searchString: function (data) {
		for (var i=0;i<data.length;i++)	{
			var dataString = data[i].string;
			var dataProp = data[i].prop;
			this.versionSearchString = data[i].versionSearch || data[i].identity;
			if (dataString) {
				if (dataString.indexOf(data[i].subString) != -1)
					return data[i].identity;
			}
			else if (dataProp)
				return data[i].identity;
		}
	},
	searchVersion: function (dataString) {
		var index = dataString.indexOf(this.versionSearchString);
		if (index == -1) return;
		return parseFloat(dataString.substring(index+this.versionSearchString.length+1));
	},
	dataBrowser: [
		{
			string: navigator.userAgent,
			subString: "Chrome",
			identity: "Chrome"
		},
		{ 	string: navigator.userAgent,
			subString: "OmniWeb",
			versionSearch: "OmniWeb/",
			identity: "OmniWeb"
		},
		{
			string: navigator.vendor,
			subString: "Apple",
			identity: "Safari",
			versionSearch: "Version"
		},
		{
			prop: window.opera,
			identity: "Opera"
		},
		{
			string: navigator.vendor,
			subString: "iCab",
			identity: "iCab"
		},
		{
			string: navigator.vendor,
			subString: "KDE",
			identity: "Konqueror"
		},
		{
			string: navigator.userAgent,
			subString: "Firefox",
			identity: "Firefox"
		},
		{
			string: navigator.vendor,
			subString: "Camino",
			identity: "Camino"
		},
		{		// for newer Netscapes (6+)
			string: navigator.userAgent,
			subString: "Netscape",
			identity: "Netscape"
		},
		{
			string: navigator.userAgent,
			subString: "MSIE",
			identity: "Explorer",
			versionSearch: "MSIE"
		},
		{
			string: navigator.userAgent,
			subString: "Gecko",
			identity: "Mozilla",
			versionSearch: "rv"
		},
		{ 		// for older Netscapes (4-)
			string: navigator.userAgent,
			subString: "Mozilla",
			identity: "Netscape",
			versionSearch: "Mozilla"
		}
	],
	dataOS : [
		{
			string: navigator.platform,
			subString: "Win",
			identity: "Windows"
		},
		{
			string: navigator.platform,
			subString: "Mac",
			identity: "Mac"
		},
		{
			   string: navigator.userAgent,
			   subString: "iPhone",
			   identity: "iPhone/iPod"
	    },
		{
			string: navigator.platform,
			subString: "Linux",
			identity: "Linux"
		}
	]

};
BrowserDetect.init();

