var backbutton1, backbutton2
backbutton1=new Image
backbutton1.src="PublishedFiles/gfx/buttons/xback1e.gif"
backbutton2=new Image
backbutton2.src="PublishedFiles/gfx/buttons/xback2e.gif"

var submitbutton1, submitbutton2
submitbutton1=new Image
submitbutton1.src="PublishedFiles/gfx/buttons/submit_k_1e.gif"
submitbutton2=new Image
submitbutton2.src="PublishedFiles/gfx/buttons/submit_k_2e.gif"

function wechsel(x,bild)
	{
	window.document.images[x].src=bild.src
	}
	
function CheckForm()
	{
	if(document.eingabe.vorname.value=="")
		{
		alert("Please enter your first name!");
		return false;
		}
	if(document.eingabe.nachname.value=="")
		{
		alert("Please enter your last name!");
		return false;
		}
	if(document.eingabe.email.value=="")
		{
		alert("Please enter you e-mail address!");
		return false;
		}
	if(document.eingabe.nachricht.value=="")
		{
		alert("Please write your message!");
		return false;
		}
	document.eingabe.submit();
	}