// open Sento-Microsite

	function MM_openBrWindow(theURL,winName,features)
	{ //v2.0
	  window.open(theURL,winName,features);
	}
	function openSento()
	{
		var theURL	= "http://www.luminarte.de/sento/";
		MM_openBrWindow(theURL,'login','menubar=no,scrollbars=yes,width=770,height=595');
	}

// validate form

function jsValidForm(strForm)
{
	var text 	= "";
	var result	= true;
	if (!jsValidEmail(strForm,"email"))
	{
		text += "Bitte überprüfe die Schreibweise der E-Mail-Adresse.\n\n";
		result = false;
	}
	if(!result)
	{
		alert(text);
	}
	return result;
}

function jsValidEmail(strForm,strEmail)
{
	var text 	= "";
	var result	= true;
	var pathToForm	= eval("document." + strForm + "." + strEmail);
	var result	= email_validierung(pathToForm.value);
	return result;
}

function email_validierung(email)
{
	var at 			= false;
	var atnumb 		= 0;
	var anzahlvo 	= false;
	var anzahlhi 	= false;
	var punkt 		= false;

	for (i=0; i<email.length; i++) {
		if (email.charAt(i) == "@") {
			if (at == false && atnumb == 0) {
				at = true;
				atnumb = 1;
			} else {
				at = false;
			}
			if (i>0) {
				anzahlvo = true;
			}
			if (email.length-i>5) {
				anzahlhi = true;
			}
		}
		if (email.charAt(i) == "." && email.length-i>2) {
			punkt = true;
		}
	}
	if (at == false || punkt == false || anzahlvo == false || anzahlhi == false)
	{
		return false;
	}
	else
	{
		return true;
	}
}