function chkform_contact() {
	rObj=document.formCont.newsletter;
	vObj='';
	for (i=0;i<rObj.length;++i) {
		if(rObj[i].checked) {
			vObj=rObj[i].value;
		}
	}
	if(vObj!='abmelden') {
		if(document.formCont.name.value == "") {
			alert("Bitte einen Namen eingeben!");
			document.formCont.name.focus();
			return;
		}
	}
	if(document.formCont.email.value == "") {
		alert("Bitte einen E-mail Adresse eingeben!");
		document.formCont.email.focus();
		return;
	}
	prw=document.formCont.email.value.toLowerCase();
	if(prw!="" ) {
		for (i=0;i<prw.length;++i) {
		  if(  (  ( prw.substr(i,1)==prw.substr(i+1,1) ) &&  ( (prw.substr(i,1)=='-') || (prw.substr(i,1)=='.') || (prw.substr(i,1)=='_')) || (((prw.substr(i,1)=='_')||(prw.substr(i,1)=='.')||(prw.substr(i,1)=='-')||(prw.substr(i,1)=='@') ) && ((prw.substr(i+1,1)=='_')||(prw.substr(i+1,1)=='.')||(prw.substr(i+1,1)=='-')||(prw.substr(i+1,1)=='@') ))   ) || (((prw.substr(i,1)<'a') || (prw.substr(i,1)>'z')) && ((prw.substr(i,1)>'9') || (prw.substr(i,1)<'0')) && (prw.substr(i,1)!='@') && (prw.substr(i,1)!='.') && (prw.substr(i,1)!='-') && (prw.substr(i,1)!='_')) ) {
		    alert("Bitte E-mail Adresse überprüfen!");
				document.formCont.email.focus();
				return;
		  };
		}
		if ((prw.length<6) || (((prw.split('.')).length)<=1) || (((prw.split('@')).length)>2) || (((prw.split('@')).length)<=1) || (prw.substr(0,1)=='@')  || (prw.substr(0,1)=='.')  || (prw.substr(0,1)=='_') || ( prw.length-prw.lastIndexOf('.')  < 3 ) || ( prw.length-prw.lastIndexOf('.')  > 5 ) || (prw.lastIndexOf('.')-prw.lastIndexOf('@')<3) || ( prw.substr(prw.lastIndexOf('@'),prw.lastIndexOf('.')).lastIndexOf('_') != -1) || ( prw.substr(prw.lastIndexOf('.'),prw.length).lastIndexOf('-') != -1)  ) {
	  	alert("Bitte E-mail Adresse überprüfen!");
		  document.formCont.email.focus();
		  return;
		}
	}
  document.formCont.contact.value=1;
	document.formCont.submit();
}

function MM_openBrWindow(theURL,winName,features) { //v2.0
  window.open(theURL,winName,features);
}

function toogle(cont,shut) {
  var obj = document.getElementById(cont);
	if(shut == 0) {
			obj.style.display='none';
	}
	if(shut == 1) {
			obj.style.display='block';
	}
}