/*----------------------------------------------------------------------------------------------------------------------------*/
/* Get something from GET query */

function getQueryVariable(variable) {
  var query = window.location.search.substring(1);
  var vars = query.split("&");
  for (var i=0;i<vars.length;i++) {
    var pair = vars[i].split("=");
    if (pair[0] == variable) {
      return pair[1];
    }
  } 
}



/*----------------------------------------------------------------------------------------------------------------------------*/
/* Handle mouseover for images in topmenu */

function topMenuOver(oImg)
{
	var newSrc = oImg.src.replace('.gif','_act.gif');
	return(newSrc);	
}

/*----------------------------------------------------------------------------------------------------------------------------*/
/* Handle mouseout for images in topmenu */

function topMenuOut(oImg)
{
	var newSrc = oImg.src.replace('_act.gif','.gif');
	return(newSrc);	
	
}


/*----------------------------------------------------------------------------------------------------------------------------*/
/* Handle AJAX requests for newsletters */

function handleNewsletter(vlag,nbid)
{
	if(nbid != 'undefined')
	{
		/* Specific newsletter */
		var url = '/modules/newsletter/newsletter.php?action=newsletter&vlag='+vlag+'&nbid='+nbid;
	}
	else
	{
		/* Overview */
		var url = '/modules/newsletter/newsletter.php?action=overview&vlag='+vlag;

	}
	
	new Ajax.Updater('newslettercontent', url);
}

/*----------------------------------------------------------------------------------------------------------------------------*/
/* Handle AJAX requests for searches */

function handleSearch(vlag,query,start,skipbackcheck)
{
	
	if(query != '') 
	{
	
	
	
	if(!skipbackcheck)
	{
	
		/* Check if user has pressed back button on browser, to make sure the correct AJAX call is made */
		var currentUrl = document.location.href;
		var currentUrlElements = currentUrl.split('#');
		if ((!isNaN(currentUrlElements[1])) && (!currentUrlElements[1].length == 0))
		{
			var start = currentUrlElements[1];
		}
	
	}

	
	
	/* Create URL */	
	var url = '/modules/search/search.php?query='+encodeURIComponent(query)+'&vlag='+vlag+'&start='+start;
		
	/* Request AJAX Update */
	new Ajax.Updater('searchresults', url);
	}
	
}


// Toggles visibility of an Element 
function showhide(id){
	if (document.getElementById){
		obj = document.getElementById(id);
	if (obj.style.display == "none"){
		obj.style.display = "";} 
	else {
		obj.style.display = "none";}
	}
}


function getCookie(Name) 
		{
			var search = Name + "=";
			if (document.cookie.length > 0) 
			{ 
				offset = document.cookie.indexOf(search);
				if (offset != -1) 
				{ 
					offset += search.length;
					end = document.cookie.indexOf(";", offset);
				if (end == -1)
					end = document.cookie.length;
					return unescape(document.cookie.substring(offset, end));
				}
			}
		}



function laden() 
{		
	var on = getCookie("onthoudn");
	var op = getCookie("onthoudp");
	
	if (op && on)
	{
		document.inlogformulier.username.value = on;
		document.inlogformulier.password.value = op;
		document.inlogformulier.onthoud.checked = true;
	}
}