function checkFormContact() {
	var myForm = document.forms['contact'];
	var arr = new Array;

	if (myForm.namec.value == '') {
		arr.push("Please fill in your name");
	}
	if (myForm.email.value == '') {
		arr.push("Please fill in your email address");
	}
	if (myForm.message.value == '') {
		arr.push("Please fill in your message");
	}
	submitOrAlert(arr, myForm);
}

function switchX(elem) {
	if (document.getElementById(elem).style.display == 'none') {
		document.getElementById(elem).style.display = 'block';
	} else {
		//Effect.Fold(elem);
		document.getElementById(elem).style.display = 'none';
	}
	return false;
}

function switchD(elem) {
	//Effect.Puff(elem);
	document.getElementById(elem).style.display = 'none';
	return  false;
}
function urlencode( str ) {
    // http://kevin.vanzonneveld.net
    // +   original by: Philip Peterson
    // +   improved by: Kevin van Zonneveld (http://kevin.vanzonneveld.net)
    // +      input by: AJ
    // +   improved by: Kevin van Zonneveld (http://kevin.vanzonneveld.net)
    // +   improved by: Brett Zamir (http://brett-zamir.me)
    // +   bugfixed by: Kevin van Zonneveld (http://kevin.vanzonneveld.net)
    // +      input by: travc
    // +      input by: Brett Zamir (http://brett-zamir.me)
    // +   bugfixed by: Kevin van Zonneveld (http://kevin.vanzonneveld.net)
    // +   improved by: Lars Fischer
    // %          note 1: info on what encoding functions to use from: http://xkr.us/articles/javascript/encode-compare/
    // *     example 1: urlencode('Kevin van Zonneveld!');
    // *     returns 1: 'Kevin+van+Zonneveld%21'
    // *     example 2: urlencode('http://kevin.vanzonneveld.net/');
    // *     returns 2: 'http%3A%2F%2Fkevin.vanzonneveld.net%2F'
    // *     example 3: urlencode('http://www.google.nl/search?q=php.js&ie=utf-8&oe=utf-8&aq=t&rls=com.ubuntu:en-US:unofficial&client=firefox-a');
    // *     returns 3: 'http%3A%2F%2Fwww.google.nl%2Fsearch%3Fq%3Dphp.js%26ie%3Dutf-8%26oe%3Dutf-8%26aq%3Dt%26rls%3Dcom.ubuntu%3Aen-US%3Aunofficial%26client%3Dfirefox-a'
                             
    var histogram = {}, unicodeStr='', hexEscStr='';
    var ret = (str+'').toString();
    
    var replacer = function(search, replace, str) {
        var tmp_arr = [];
        tmp_arr = str.split(search);
        return tmp_arr.join(replace);
    };
    
    // The histogram is identical to the one in urldecode.
    histogram["'"]   = '%27';
    histogram['(']   = '%28';
    histogram[')']   = '%29';
    histogram['*']   = '%2A';
    histogram['~']   = '%7E';
    histogram['!']   = '%21';
    histogram['%20'] = '+';
    histogram['\u00DC'] = '%DC';
    histogram['\u00FC'] = '%FC';
    histogram['\u00C4'] = '%D4';
    histogram['\u00E4'] = '%E4';
    histogram['\u00D6'] = '%D6';
    histogram['\u00F6'] = '%F6';
    histogram['\u00DF'] = '%DF';
    histogram['\u20AC'] = '%80';
    histogram['\u0081'] = '%81';
    histogram['\u201A'] = '%82';
    histogram['\u0192'] = '%83';
    histogram['\u201E'] = '%84';
    histogram['\u2026'] = '%85';
    histogram['\u2020'] = '%86';
    histogram['\u2021'] = '%87';
    histogram['\u02C6'] = '%88';
    histogram['\u2030'] = '%89';
    histogram['\u0160'] = '%8A';
    histogram['\u2039'] = '%8B';
    histogram['\u0152'] = '%8C';
    histogram['\u008D'] = '%8D';
    histogram['\u017D'] = '%8E';
    histogram['\u008F'] = '%8F';
    histogram['\u0090'] = '%90';
    histogram['\u2018'] = '%91';
    histogram['\u2019'] = '%92';
    histogram['\u201C'] = '%93';
    histogram['\u201D'] = '%94';
    histogram['\u2022'] = '%95';
    histogram['\u2013'] = '%96';
    histogram['\u2014'] = '%97';
    histogram['\u02DC'] = '%98';
    histogram['\u2122'] = '%99';
    histogram['\u0161'] = '%9A';
    histogram['\u203A'] = '%9B';
    histogram['\u0153'] = '%9C';
    histogram['\u009D'] = '%9D';
    histogram['\u017E'] = '%9E';
    histogram['\u0178'] = '%9F';
    
    // Begin with encodeURIComponent, which most resembles PHP's encoding functions
    ret = encodeURIComponent(ret);
 
    for (unicodeStr in histogram) {
        hexEscStr = histogram[unicodeStr];
        ret = replacer(unicodeStr, hexEscStr, ret); // Custom replace. No regexing
    }
    
    // Uppercase for full PHP compatibility
    return ret.replace(/(\%([a-z0-9]{2}))/g, function(full, m1, m2) {
        return "%"+m2.toUpperCase();
    });
}

function makeHome() {
	var titled = "Start1.nl, De beste start van Nederland";
	var url = "http://www.start1.nl/";
	if (window.sidebar) { // Mozilla Firefox Bookmark
		window.sidebar.addPanel(titled, url,"");
	} else if( window.external ) { // IE Favorite
		document.body.style.behavior='url(#default#homepage)';
		document.body.setHomePage('http://www.start1.nl');
		window.external.AddFavorite( url, titled);
	} else if(window.opera && window.print) { // Opera Hotlist
		return true;
	}
	return false;
}

function checkForm(formname) {
	var myForm = document.forms[formname];
	var engine = myForm.engine.value;
	var keywords = urlencode(myForm.keywords.value);
	var url = '';
	switch (engine){
		case 'google' :
			url = 'http://www.google.nl/search?hl=nl&q=' + keywords + '&btnG=Google+zoeken&meta=&aq=f&oq=';
		break;
		case 'bing' :
			url = 'http://www.bing.com/search?q=' + keywords + '&go=&form=QBLH&filt=all';
		break;
		case 'vindex' :
			url = 'http://search.vindex.nl/web?search_for=' + keywords + '&submit.x=0&submit.y=0';
		break;
		case 'yahoo' :
			url = 'http://search.yahoo.com/search?p=' + keywords + '&vc=&fr=yfp-t-501&toggle=1&cop=mss&ei=UTF-8';
		break;
		default:
			url = 'http://www.google.nl/search?hl=nl&q=' + keywords + '&btnG=Google+zoeken&meta=&aq=f&oq=';
		break;
	}
	fetchPage('operate.php?k=' + urlencode(keywords) + '&u=' + urlencode(url) + '&e=' + urlencode(engine), 'resp');
	window.open(url, 'myname', 'location=yes,toolbar=yes,menubar=yes,directories=yes,status=yes,resizable=yes,scrollbars=yes,height=480,width=640', false);
	return false;
}
function getXMLHTTP() {
	 var xmlhttp=false;
	 try {
		 xmlhttp = new ActiveXObject("Msxml2.XMLHTTP");
	 } catch (e) {
		 try { xmlhttp = new ActiveXObject("Microsoft.XMLHTTP"); }
		 catch (E) { xmlhttp = false; }
	 }
	 if (!xmlhttp && typeof XMLHttpRequest!='undefined') {
		 try { xmlhttp = new XMLHttpRequest(); } catch (e) { xmlhttp=false; }
	 }
	 if (!xmlhttp && window.createRequest) {
		 try { xmlhttp = window.createRequest(); } catch (e) { xmlhttp=false; }
	 }
	 return xmlhttp;
}

function fetchPage(url) {
	var xmlhttp = getXMLHTTP();
	xmlhttp.open("GET", url, false);
	xmlhttp.send(null);
	if (xmlhttp.status == 200) {
		return xmlhttp.responseText;
	} else {
		return '0';
	}
}

function postPage(url, params) {
	var xmlhttp = getXMLHTTP();
	xmlhttp.open("POST", url, false);

	//Send the proper header information along with the request
	xmlhttp.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
	xmlhttp.setRequestHeader("Content-length", params.length);
	xmlhttp.setRequestHeader("Connection", "close");
	xmlhttp.send(params);
	if (xmlhttp.status == 200) {
		return xmlhttp.responseText;
	} else {
		return '0';
	}
}

function submitOrAlert(arr, myForm) {
	if (arr.length > 0) {
		var textk = "";
		for (var i=0;i<arr.length;i++) {
			textk+= "- " + arr[i] + "<br>";
		}
		$('#dialog').dialog('open');
		document.getElementById('dialog').innerHTML  = textk;
		return false;
	} else {
		myForm.submit();
		return true;
	}
}


//forms
function checkFormContact() {
	var myForm = document.forms['contact'];
	var arr = new Array;

	if (myForm.namec.value == '') {
		arr.push("Please fill in your name");
	}
	if (myForm.email.value == '') {
		arr.push("Please fill in your email address");
	}
	if (myForm.message.value == '') {
		arr.push("Please fill in your message");
	}
	submitOrAlert(arr, myForm);
}