function checkEmail(mf)
{
	if (/^\w+([\.-]?\w+)*@\w+([\.-]?\w+)*(\.\w{2,3})+$/.test(mf.email.value))
	{
		return (true);
	}
	alert("Invalid e-mail address! please re-enter");
	return (false);
}
function checkkontktfrm(mf)
{
	if(mf.vorname.value=="")
	{
		alert("Please enter vorname ");
		mf.vorname.focus();
		return false;
	}
	if(mf.name.value=="")
	{
		alert("Please enter name ");
		mf.name.focus();
		return false;
	}
	if(mf.telefon.value=="")
	{
		alert("Please enter telefon/Mobile ");
		mf.telefon.focus();
		return false;
	}
	if(mf.email.value=="")
	{
		alert("Please enter e-mail ");
		mf.email.focus();
		return false;
	}
	if(checkEmail(mf)==false)
	{
		mf.email.focus();
		return false; 
	}
	if(mf.mitteilung.value=="")
	{
		alert("Please enter mitteilung ");
		mf.mitteilung.focus();
		return false;
	}
	return true;
}
function PrintDocument(pid)
{
obj=window.open("print.php?pid="+pid, "printwin", 'scrollbars=yes, resizable=no, status=no, menubar=no, width=850, height=600, left=150, top=100');
}