window.setInterval("updateSession", 100000);

window.onLoad = updateSession();

function XHConn()
{
    var xmlhttp, bComplete = false;
    try { xmlhttp = new ActiveXObject("Msxml2.XMLHTTP"); }
    catch (e) { try { xmlhttp = new ActiveXObject("Microsoft.XMLHTTP"); }
    catch (e) { try { xmlhttp = new XMLHttpRequest(); }
    catch (e) { xmlhttp = false; }}}
    if (!xmlhttp) return null;
    this.connect = function(sURL, sMethod, sVars, fnDone)
    {
        if (!xmlhttp) return false;
        bComplete = false;
        sMethod = sMethod.toUpperCase();

        try
        {
            if (sMethod == "GET")
            {
                xmlhttp.open(sMethod, sURL+"?"+sVars, true);
                sVars = "";
            }
            else
            {
                xmlhttp.open(sMethod, sURL, true);
                xmlhttp.setRequestHeader("Method", "POST "+sURL+" HTTP/1.1");
                xmlhttp.setRequestHeader("Content-Type",
                    "application/x-www-form-urlencoded");
            }
            xmlhttp.onreadystatechange = function()
                {
                if (xmlhttp.readyState == 4 && !bComplete)
                {
                    bComplete = true;
                    fnDone(xmlhttp);
                }
                };
            xmlhttp.send(sVars);
        }
        catch(z) { return false; }
        return true;
    };
    return this;
}

function updateSession()
{
	var conn = XHConn();
	conn.connect("/updatesession.aspx?" + Math.random(), "GET", "", function(oXML){});
	setTimeout('updateSession();',100000);
}

function changeBanner(id)
{
	var selected = 0;
	var DEFAULT_BANNER = 0;
	
	try
	{
		selected = parseInt(id);
	}
	catch(e)
	{
		// do nothing...
	}
	
	var banners = new Array("/designimages/ocg/bestuur1.jpg", "/designimages/ocg/ondernemendgoes_bestuur.jpg",
				"/designimages/ocg/ondernemendgoes_agenda.jpg", "/designimages/ocg/ondernemendgoes_leden.jpg",
	                        "/designimages/ocg/ondernemendgoes_links.jpg", "/designimages/ocg/ondernemendgoes_archief.jpg", 
                                "/designimages/ocg/ondernemendgoes_overocg.jpg", "/designimages/ocg/ondernemendgoes_inloggen.jpg",
                                "/designimages/ocg/bestuur2.jpg");
	
	var found = false;
	for(var i = 0; i < banners.length; i++)
	{
		if(i == selected)
		{
			found = true;
		}
	}
	
	if(found)
	{
		document.write("<img border'0' class='bannerImg' src='" + banners[selected] + "' />");
	}
	else
	{
	    document.write("<img border'0' class='bannerImg' src='" + banners[DEFAULT_BANNER] + "' />");
	}
}

function fixAllDivs()
{
  fixOneDiv("fuzzy");
  fixOneDiv("lastname");
  fixOneDiv("company");
  //fixOneDiv("city");
  fixOneDiv("branch");
  //fixOneDiv("discipline");
}

function fixOneDiv(eName)
{
  var checkBox = document.getElementById("search_" + eName);
  var divName = document.getElementById(eName + "_div");
  if (checkBox.checked)
    divName.style.display = 'block';
  else
    divName.style.display = 'none';  
}

function showSearchBox()
{
  var el = document.getElementById("zoekbox");
  el.style.display = 'block';
}

function hideSearch()
{
  var el = document.getElementById("zoekbox");
  el.style.display = 'none';
}

function selectNextLetter(letter)
{
	var letters = new Array("a","b","c","d","e","f","g","h","i","j","k","l","m","n","o","p","q","r","s","t","u","v","w","x","y","z");
	letter = letter.toLowerCase();
	var nextletter;
	for(var i = 0; i < letters.length; i++)
	{
		if(letters[i] == letter && letter != "z")
		{
			nextletter = letters[i + 1];
		}
		else if(letters[i] == letter && letter == "z")
		{
			nextletter = letters[0];
		}
	}
		
	var url = "Default.aspx?p=92&letter=" + nextletter.toUpperCase();
	window.location.href = url;
}

function hidediv(id)
{
	if (document.getElementById) // DOM3 = IE5, NS6
	{ 
		document.getElementById(id).style.visibility = 'hidden';
	}
} 

function shrinkdiv(id)
{
	if (document.getElementById) // DOM3 = IE5, NS6
	{ 
		document.getElementById(id).style.height = '150';
	}
}


// Handling of member page with next and previous buttons.
function showPreviousPage() {
    jQuery(".showNextMembers").show();

    jQuery("#page" + currentPage).addClass("hidden");
    jQuery("#page" + (--currentPage)).removeClass("hidden");

    // Hide button there are no more pages
    var prevpage = currentPage;
    if (jQuery("#memberContainerDiv").find("#page" + (prevpage -1)).length == 0) {
        jQuery(".showPreviousMembers").hide();
    }
}

var currentPage = 1;

function showNextPage() {
    jQuery(".showPreviousMembers").show();

    jQuery("#page" + currentPage).addClass("hidden");
    jQuery("#page" + (++currentPage)).removeClass("hidden");

    // Hide button there are no more pages
    var nextpage = currentPage;
    if (jQuery("#memberContainerDiv").find("#page" + (nextpage + 1)).length == 0) {
        jQuery(".showNextMembers").hide();
    }
    
}

jQuery(document).ready(function () {
    jQuery(".headlineImage").each(function () {
        jQuery(this).css("margin-top", (jQuery(this).parent().parent().height() - jQuery(this).height()) / 2 - 1 + "px");
    });

    jQuery('.clickLink').click(function (event) {
	    event.stopPropagation();
    });
});