function check()
{
	if ((window.document.Offert.Absender.value == "" || window.document.Offert.EMail.value == "" || window.document.Offert.Name.value == "" || window.document.Offert.Adresse.value == "" || window.document.Offert.Plz_Ort.value == "") && window.document.getElementsByName('button')[0].value == 'true')
	{
		if (window.document.Offert.Absender.value == "") {window.document.Offert.Absender.style.backgroundColor = "#FF0000";} else {window.document.Offert.Absender.style.backgroundColor = "#FFFFFF";}
		if (window.document.Offert.EMail.value == "") {window.document.Offert.EMail.style.backgroundColor = "#FF0000";} else {window.document.Offert.EMail.style.backgroundColor = "#FFFFFF";}
		if (window.document.Offert.Name.value == "") {window.document.Offert.Name.style.backgroundColor = "#FF0000";} else {window.document.Offert.Name.style.backgroundColor = "#FFFFFF";}
		if (window.document.Offert.Adresse.value == "") {window.document.Offert.Adresse.style.backgroundColor = "#FF0000";} else {window.document.Offert.Adresse.style.backgroundColor = "#FFFFFF";}
		if (window.document.Offert.Plz_Ort.value == "") {window.document.Offert.Plz_Ort.style.backgroundColor = "#FF0000";} else {window.document.Offert.Plz_Ort.style.backgroundColor = "#FFFFFF";}
		alert ("Bitte ergänzen Sie die rot markierten Felder!");
		return false;
	}
	else
	{
		if (window.document.getElementsByName('button')[0].value == 'true') {return true;} else {return false;}
	}
}

function load()
{
	window.document.getElementsByName('button')[0].value = "false";
	haft();
	kfz();
	kfzhaft();
}

function haft()
{
	var i = 1;
	var j = 0;
	while (i != 0) {if (document.getElementById("haft" + j)) j++; else i = 0;}
	while (i < j)
	{
		if (window.document.Offert.KH.checked == true || window.document.Offert.RS.checked == true || window.document.Offert.HP.checked == true)
		{
			if (document.getElementById("haft" + i).style.display == "none")
			{
				document.getElementById("haft" + i).style.display = "";
			}
		}
		else
		{
			if (document.getElementById("haft" + i).style.display == "")
			{
				document.getElementById("haft" + i).style.display = "none";
			}
		}
		i++;
	}
}

function kfz()
{
	var i = 1;
	var j = 0;
	while (i != 0) {if (document.getElementById("kfz" + j)) j++; else i = 0;}
	while (i < j)
	{
		if (window.document.Offert.KH.checked == true || window.document.Offert.KK.checked == true)
		{
			if (document.getElementById("kfz" + i).style.display == "none")
			{
				document.getElementById("kfz" + i).style.display = "";
			}
		}
		else
		{
			if (document.getElementById("kfz" + i).style.display == "")
			{
				document.getElementById("kfz" + i).style.display = "none";
			}
		}
		i++;
	}
}

function kfzhaft()
{
	var i = 1;
	var j = 0;
	while (i != 0) {if (document.getElementById("kfzhaft" + j)) j++; else i = 0;}
	while (i < j)
	{
		if (window.document.Offert.KH.checked == true)
		{
			if (document.getElementById("kfzhaft" + i).style.display == "none")
			{
				document.getElementById("kfzhaft" + i).style.display = "";
			}
		}
		else
		{
			if (document.getElementById("kfzhaft" + i).style.display == "")
			{
				document.getElementById("kfzhaft" + i).style.display = "none";
			}
		}
		i++;
	}
	haft();
	kfz();
}

function del()
{
	var i = 1;
	var j = 0;
	while (i != 0) {if (document.getElementById("kfz" + j)) j++; else i = 0;}
	while (i < j)
	{
		document.getElementById("kfz" + i).style.display = "none";
		i++;
	}
	i = 1;
	j = 0;
	while (i != 0) {if (document.getElementById("haft" + j)) j++; else i = 0;}
	while (i < j)
	{
		document.getElementById("haft" + i).style.display = "none";
		i++;
	}
	i = 1;
	j = 0;
	while (i != 0) {if (document.getElementById("kfzhaft" + j)) j++; else i = 0;}
	while (i < j)
	{
		document.getElementById("kfzhaft" + i).style.display = "none";
		i++;
	}
	window.document.Offert.Absender.style.backgroundColor = "#FFFFFF";
	window.document.Offert.EMail.style.backgroundColor = "#FFFFFF";
	window.document.Offert.Name.style.backgroundColor = "#FFFFFF";
	window.document.Offert.Adresse.style.backgroundColor = "#FFFFFF";
	window.document.Offert.Plz_Ort.style.backgroundColor = "#FFFFFF";
}