// JavaScript Document
var oldtext;
var testresults;
function showText(text){
	oldtext = document.getElementById('projectName').innerHTML;
	document.getElementById('projectName').innerHTML = text;
}
function deleteText(){
	document.getElementById('projectName').innerHTML = oldtext;
}
function chkFormular()
{
	var str=document.contactForm.email.value;
	var filter=/^(\w+(?:\.\w+)*)@((?:\w+\.)*\w[\w-]{0,66})\.([a-z]{2,6}(?:\.[a-z]{2})?)$/i;
	
    if(document.contactForm.text.value == '') {
        alert("Sie haben keine Nachricht eigetragen.");
        document.contactForm.text.focus();
        return false;
    }
   if (filter.test(str)) {
		return true;
	} else {
		alert("Bitte eine gültige eMail-Adresse eingeben!")
		document.contactForm.email.focus();
		return false;
	  }
  
}