function startVideo(theURL) {
	window.open(theURL,"Video","toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=no,resizable=no,width=360,height=440");
}

function startQuiz(theURL) {
	window.open(theURL,"Quiz","toolbar=no,location=no,directories=no,status=yes,menubar=no,scrollbars=yes,resizable=no,width=600,height=450");
}

function startAnzeige(theURL) { 
	window.open (theURL,"Anzeige","toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=no,resizable=yes,width=750,height=550");
}

function startLexikon(theURL) {
	window.open(theURL,"Lexikon","toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=yes,resizable=no,width=360,height=440");
}

function startIFAP(theURL) { 
	window.open (theURL,"Profil","toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=yes,resizable=yes,width=700,height=750");
}

function startTeenWBW() {
	window.open ("/Guide_WBW/WBW1.html","Wettbewerb","toolbar=yes,location=no,directories=no,status=yes,menubar=no,scrollbars=yes,resizable=yes,width=700,height=500");
}

function startTwenWBW() {
	window.open ("/Guide_WBW/WBW2.html","Wettbewerb","toolbar=yes,location=no,directories=no,status=yes,menubar=no,scrollbars=yes,resizable=yes,width=700,height=500");
}

function mail_link(user, domain, link_text) {
	if (link_text.length > 0) {
		document.write("<a href=" + "mail" + "to:" + user + "&#64;" + domain + ">" + link_text + "</a>")
	} else {
		document.write("<a href=" + "mail" + "to:" + user + "&#64;" + domain + ">" + user + "&#64;" + domain + "</a>")
	}
}

function check_search(form) {
	var result = false;
	if (form.IP_Searchtext.value!="") {
		result=true;
	}
	return result;
}

function check_empfehlung(form) {
	var result = false;
	if (form.abs_name.value!="") {
		result=true;
	} else {
		alert("Bitte geben Sie Ihren Namen ein.");
		result=false;
		form.abs_name.focus();
		return result;
	}
	if (form.abs_mail.value!="") {
		if (isValidEmail(form.abs_mail.value)) {
			result=true; 
		} else {
			alert("Bitte geben Sie eine korrekte Mailadresse ein.");
			result=false;
			form.abs_mail.focus();
			return result;
		}
	} else {
		alert("Bitte geben Sie Ihre Mailadresse ein.");
		result=false;
		form.abs_mail.focus();
		return result;
	}
	if (form.empf_mail.value!="") {
		if (isValidEmail(form.empf_mail.value)) {
			result=true; 
		} else {
			alert("Bitte geben Sie eine korrekte Mailadresse ein.");
			result=false;
			form.empf_mail.focus();
			return result;
		}
	} else {
		alert("Bitte geben Sie die Mailadresse ein.");
		result=false;
		form.empf_mail.focus();
		return result;
	}
	if (containsNoLink(form.Mitteilung.value)) {
		result=true; 
	} else {
		alert("Bitte verwenden Sie keine Link-Tags.");
		result=false;
		form.Mitteilung.focus();
		return result;
	}
	return result;
}

function isValidEmail(strEmail){
	validRegExp = /^[^@]+@[^@]+.[a-z]{2,}$/i;
	if (strEmail.search(validRegExp) == -1) {
		return false;
	}
	return true;
}

function containsNoLink(strNote){
	linkRegExp = "<a.*?>";
	if (strNote.search(linkRegExp) == -1) {
		return true;
	}
	return false;
}