/********************************************************************
*  generated by H2G Internetagentur, CH-Aarau, www.h2g.ch, jan08    *
*********************************************************************/

var cache = new Array();
var colError = "#F79339";
var colNorm = "#FFFFFF";
var colEnter = "#CCCCCC";

function enterform(id) {
	id.style.backgroundColor = colEnter;
}

function leaveform(id) {
	id.style.background = colNorm;
}

function validEmail(email) {
  var strReg = "^([a-zA-Z0-9_\.\-])+\@(([a-zA-Z0-9\-])+\.)+([a-zA-Z0-9]{2,4})+$";
  var regex = new RegExp(strReg);
  return(regex.test(email));
}

function checkForm(form) {
	var error = 0;
	
	if (form.elements['kurs-ID'].value == "") {
		form.elements['kurs-ID'].style.background = colError;
		error = 1;
	}
	
	if (form.elements['kurs-Datum'].value == "") {
		form.elements['kurs-Datum'].style.background = colError;
		error = 1;
	}
	
	if (form.elements['name-Teilnehmer1'].value == "") {
		form.elements['name-Teilnehmer1'].style.background = colError;
		error = 1;
	}
	
	if (form.elements['vorname-Teilnehmer1'].value == "") {
		form.elements['vorname-Teilnehmer1'].style.background = colError;
		error = 1;
	}
	
	if (form.elements['firma'].value == "") {
		form.elements['firma'].style.background = colError;
		error = 1;
	}
	
	if (form.elements['ort'].value == "") {
		form.elements['ort'].style.background = colError;
		error = 1;
	}
	
	if (form.elements['kontaktperson'].value == "") {
		form.elements['kontaktperson'].style.background = colError;
		error = 1;
	}
	
	if (form.elements['tel'].value == "") {
		form.elements['tel'].style.background = colError;
		error = 1;
	}
	
	if (form.elements['mail'].value == "") {
		form.elements['mail'].style.background = colError;
		error = 1;
	} else {
		if (!validEmail(form.elements['mail'].value)) {
			form.elements['mail'].style.background = colError;
			error = 1;
		}
	}
	
	if (error == 1) {
		return false;
	} else {
		return true;
	}
}