// JavaScript Document
function EingabenUeberpruefen()
{
    var Fehlermeldung = "";



var str=document.getElementById("e").value
var filter=/^(\w+(?:\.\w+)*)@((?:\w+\.)*\w[\w-]{0,66})\.([a-z]{2,6}(?:\.[a-z]{2})?)$/i
if(document.getElementById("n").value == "")
    {
        Fehlermeldung += "Bitte geben Sie Ihren Namen an!\n";
    }
if (filter.test(str) == false) {
  Fehlermeldung += "Bitte geben Sie Ihre e-Mail Adresse an!\n";
 }
if(document.getElementById("mitar")){
var test = document.getElementById("mitar").value;
    if(test == "0")
    {
        Fehlermeldung += "An welchen Mitarbeiter haben Sie eine Frage?\n";
    }
}
if(document.getElementById("ber")){
var test = document.getElementById("ber").value;
    if(test == "0")
    {
        Fehlermeldung += "Zu welchem Thema haben Sie eine Frage?\n";
    }
}


    if(Fehlermeldung)
    {
        alert(Fehlermeldung);

        return false;
    }
    else
    {
        return true;
    }
}



/////////////////////////////////////////
		function getposOffset(overlay, offsettype){
var totaloffset=(offsettype=="left")? overlay.offsetLeft : overlay.offsetTop;
var parentEl=overlay.offsetParent;
while (parentEl!=null){
totaloffset=(offsettype=="left")? totaloffset+parentEl.offsetLeft : totaloffset+parentEl.offsetTop;
parentEl=parentEl.offsetParent;
}
return totaloffset;
}

function overlay(curobj, subobjstr, opt_position){
if (document.getElementById){
var subobj=document.getElementById(subobjstr)
subobj.style.display=(subobj.style.display!="block")? "block" : "none"
var xpos=getposOffset(curobj, "left")+((typeof opt_position!="undefined" && opt_position.indexOf("right")!=-1)? -(subobj.offsetWidth-curobj.offsetWidth) : 0) 
var ypos=getposOffset(curobj, "top")+((typeof opt_position!="undefined" && opt_position.indexOf("bottom")!=-1)? curobj.offsetHeight : 0)
subobj.style.left=xpos+"px"
subobj.style.top=ypos+"px"
return false
}
else
return true
}

function overlayclose(subobj){
document.getElementById(subobj).style.display="none"
}


function getposOffset(overlay, offsettype){
var totaloffset=(offsettype=="left")? overlay.offsetLeft : overlay.offsetTop;
var parentEl=overlay.offsetParent;
while (parentEl!=null){
totaloffset=(offsettype=="left")? totaloffset+parentEl.offsetLeft : totaloffset+parentEl.offsetTop;
parentEl=parentEl.offsetParent;
}
return totaloffset;
}

function overlay(curobj, subobjstr, opt_position){
if (document.getElementById){
var subobj=document.getElementById(subobjstr)
subobj.style.display=(subobj.style.display!="block")? "block" : "none"
var xpos=getposOffset(curobj, "left")+((typeof opt_position!="undefined" && opt_position.indexOf("right")!=-1)? -(subobj.offsetWidth-curobj.offsetWidth) : 0) 
var ypos=getposOffset(curobj, "top")+((typeof opt_position!="undefined" && opt_position.indexOf("bottom")!=-1)? curobj.offsetHeight : 0)
subobj.style.left=xpos+"px"
subobj.style.top=ypos+"px"
return false
}
else
return true
}

function overlayclose(subobj){
document.getElementById(subobj).style.display="none"
}