function validateForm(frm_kontakt)
{
 	if(document.getElementById('Name') == "")
	{
		alert ("Pfichtfelder : Name");
		document.getElementById('Name').focus;
		return false;
	}
	if(document.getElementById('E-Mailadresse') == "")
	{
		alert ("Pfichtfelder : E-Mailadresse");
		document.getElementById('E-Mailadresse').focus;
		return false;
	}	
	if (/^\w+([\.-]?\w+)*@\w+([\.-]?\w+)*(\.\w{2,3})+$/.test(document.getElementById('E-Mailadresse').value) || (document.getElementById('E-Mail').value=='') ){
		return (true);
	 }
	else {
		alert("Invalid E-Mailadresse !!.");
	document.getElementById('E-Mailadresse').focus();
	return (false);
	}
}

function checkForm(form, mand, email) {
                                                            
	for (i=0;i<form.elements.length;i++){

    		if(form.elements[i].name.indexOf('s')==0){
           		form.elements[i].className='';
          		for(j=0;j<mand.length;j++){

                     		if(form.elements[i].name==mand[j]){
                                 	form.elements[i].className="field_error";
                    		}
         		}
			for(k=0;k<email.length;k++){

     				if(form.elements[i].name==email[k]){
           				form.elements[i].className="field_error";
    				}
			}
	
     		}
	}
	document.getElementById('form_error_display').style.display='block';
}