function start_google_analytics()
{
	var gaJsHost = (("https:" == document.location.protocol) ? "https://ssl." : "http://www.");
	document.write(unescape("%3Cscript src='" + gaJsHost + "google-analytics.com/ga.js' type='text/javascript'%3E%3C/script%3E"));
}

function run_google_analytics()
{
	var pageTracker = _gat._getTracker("UA-7912884-1");
	pageTracker._initData();
	pageTracker._trackPageview();
}

function adds_google_rechts()
{
		google_ad_client = "pub-9190065212892609";
        	google_ad_width = 120;
        	google_ad_height = 600;
        	google_ad_format = "120x600_as";
       		google_ad_type = "text";
		google_ui_features = "rc:10";
                google_ad_channel = "0095953522";
        	google_color_border = ["000000","000000","000000","000000"];
        	google_color_bg = ["FFCA08","FFCA08","FFCA08","FFCA08"];
        	google_color_link = ["0033FF","0033FF","0033FF","0033FF"];
                google_color_url = ["008000","008000","008000","008000"];
                google_color_text = ["333333","333333","333333","333333"];
        	document.write('<script src="http://pagead2.googlesyndication.com/pagead/show_ads.js" type="text/javascript" language="JavaScript"></script>');
}

function adds_google_links()
{
                google_ad_client = "pub-9190065212892609";
                google_ad_width = 120;
                google_ad_height = 240;
                google_ad_format = "120x240_as";
                google_ad_type = "text";
		google_ui_features = "rc:10";
                google_ad_channel = "9632438287";
                google_color_border = ["000000","000000","000000","000000"];
                google_color_bg = ["FFCA08","FFCA08","FFCA08","FFCA08"];
                google_color_link = ["0033FF","0033FF","0033FF","0033FF"];
                google_color_url = ["008000","008000","008000","008000"];
                google_color_text = ["333333","333333","333333","333333"];
                document.write('<script src="http://pagead2.googlesyndication.com/pagead/show_ads.js" type="text/javascript" language="JavaScript"></script>');
}

function addfavorieten()
{
	title = "Online TV kijken"; 
	url = "http://www.kanaalonline.nl/";

	if (window.sidebar) { // Mozilla Firefox Bookmark
		window.sidebar.addPanel(title, url,"");
	} else if( window.external ) { // IE Favorite
		window.external.AddFavorite( url, title); }
	else if(window.opera && window.print) { // Opera Hotlist
		return true; }
	
}

function ajaxFunction(how,what)
{
	var xmlhttp;
	if (window.XMLHttpRequest)
  	{
  		// code for IE7+, Firefox, Chrome, Opera, Safari
  		xmlhttp=new XMLHttpRequest();
  	}
	else
  	{
  		// code for IE6, IE5
  		xmlhttp=new ActiveXObject("Microsoft.XMLHTTP");
  	}
	xmlhttp.onreadystatechange=function()
	{
		if(xmlhttp.readyState==4)
  		{
  			gotback = xmlhttp.responseText;
  		}
	}

	xmlhttp.open(how,what,true);
	xmlhttp.send(null);

	return gotback;
}

function checkform(formulier)
{
        // Begin met lege errormelding
        var errormelding = "";

        // Controleer lengte
        if (formulier.varA.value.length == 0 && errormelding == "") { errormelding = "U heeft geen naam ingevuld"; }

	// Controleer lengte
        if (wrong_email(formulier.varB.value) && errormelding == "") { errormelding = "U heeft geen correct emailadres ingevuld"; }

	// Controleer lengte
        if (formulier.varC.value.length == 0 && errormelding == "") { errormelding = "U heeft geen onderwerp ingevuld"; }

	// Controleer lengte
        if (formulier.varD.value.length == 0 && errormelding == "") { errormelding = "U heeft geen bericht ingevuld"; }

        if (errormelding == "") { formulier.submit(); }
        else { alert(errormelding); }
}

function checkregform(formulier)
{
        // Begin met lege errormelding
        var errormelding = "";

        // Controleer lengte
        if (formulier.varA.value.length == 0 && errormelding == "") { errormelding = "U heeft geen naam ingevuld"; }

        // Controleer lengte
        if (formulier.varB.value.length == 0 && errormelding == "") { errormelding = "U heeft geen speler-naam ingevuld"; }

        // Controleer lengte
        if (formulier.varC.value.length == 0 && errormelding == "") { errormelding = "U heeft geen woonplaats ingevuld"; }

        // Controleer lengte
        if (wrong_email(formulier.varD.value) && errormelding == "") { errormelding = "U heeft geen correct emailadres ingevuld"; }

	if (formulier.varE.value == "blank" && errormelding == "") { errormelding = "U heeft nog geen intresse gegeven over een team starten"; }

        if (formulier.varF.value == "blank" && errormelding == "") { errormelding = "U heeft nog geen intresse gegeven voor eigen poule starten"; }

        if (errormelding == "") { formulier.submit(); }
        else { alert(errormelding); }
}

function wrong_email(email)
{
  apos=email.indexOf("@");
  dotpos=email.lastIndexOf(".");
  if (apos<1||dotpos-apos<2) {return true;}
  else {return false;}
}