function ratenrechner(betragx,lzx)
{

if(document.getElementById('betrag').value == "" || isNaN(document.getElementById('betrag').value) || document.getElementById('betrag').value <= 0)
	{
	document.rechner.betrag.value = 10000;
	
	//return;
	}
if(document.rechner.laufzeit.value == "0")
	{
	document.rechner.laufzeit.value = 12;
	
	//return;
	}

var laufzeit=parseFloat(document.rechner.laufzeit.value);
var betrag=parseFloat(document.rechner.betrag.value); 
var zinssatz_1 = 5.9/100;
var zinssatz_2 = 13.9/100;
var kok_1=1200 *(Math.pow (1+zinssatz_1,(1/12))-1);
var kok_2=1200 *(Math.pow (1+zinssatz_2,(1/12))-1);
var abzinsfaktor_1=1+kok_1/1200;
var abzinsfaktor_2=1+kok_2/1200;
var rate_1 = (betrag * (Math.pow (abzinsfaktor_1,laufzeit) ) * (abzinsfaktor_1 - 1))/((Math.pow (abzinsfaktor_1,laufzeit)) - 1);
var rate_2 = (betrag * (Math.pow (abzinsfaktor_2,laufzeit) ) * (abzinsfaktor_2 - 1))/((Math.pow (abzinsfaktor_2,laufzeit)) - 1);
var kosten_1 = (rate_1 * laufzeit - betrag);
var kosten_2 = (rate_2 * laufzeit - betrag);
var total_1 = (betrag + kosten_1);
var total_2 = (betrag + kosten_2);
			
//document.rechner.total.value=Math.round(total*100)/100;
document.rechner.rate_1.value=Math.round(rate_1*100)/100;
document.rechner.kosten_1.value=Math.round(kosten_1*100)/100;
document.rechner.rate_2.value=Math.round(rate_2*100)/100;
document.rechner.kosten_2.value=Math.round(kosten_2*100)/100;
}

function show_berechnen()
{
	document.getElementById('rechnerol').style.display = 'none';
	document.getElementById('berechnen').style.display = 'block';
	//document.getElementById('fade').style.display='none'
}

function chkFK() 
{
	var error = false;
	
	if(document.getElementById('kreditbetrag').value == "" || isNaN(document.getElementById('kreditbetrag').value)) {
		document.getElementById('kreditbetrag').style.backgroundColor = "#FFD2D7";
		error = true;
	} else {
		document.getElementById('kreditbetrag').style.backgroundColor = "#FFFFFF";
	}

	if(document.getElementById('kreditlaufzeit').value == "") {
		error = true;
		document.getElementById('kreditlaufzeit').style.backgroundColor = "#FFD2D7";
	} else {
		document.getElementById('kreditlaufzeit').style.backgroundColor = "#FFFFFF";
	}
	
	if(error) {
		document.getElementById('checkmess').style.display = "block";
	} else {
		document.getElementById('checkmess').style.display = "none";
		document.getElementById('rechnerol').style.display = "block";
		//document.getElementById('berechnen').style.display = "none";
		document.rechner.laufzeit.value = document.formkredit.kreditlaufzeit.value;
		document.rechner.betrag.value = document.formkredit.kreditbetrag.value;
		//document.getElementById('fade').style.display='block'
		ratenrechner();
		$.fn.colorbox({width:"550px", inline:true, href:"#rechnerol"});
		        if ( $.browser .msie && $.browser .version < 7.0 &&
					$.browser .version > 5.0 )  {
                	//Listener for the close event:
                	$().bind('cbox_closed',function(){
                        $('#cboxOverlay, #colorbox').remove(); //destroy prior instance
                        setTimeout(function(){
                                $.fn.colorbox.init(); // creates multiple instances unless you remove the old instance first
                        }, 1000);  //reinit colorbox after 1s delay
                });
        } 
		
	}
}

function antragcheck()
	{
		window.location.href = "mycredit-check.php?re=1&kb="+document.rechner.betrag.value+"&lz="+document.rechner.laufzeit.value;
	}
	
function show_bestprice(ptop,pleft)
	{
	document.getElementById('bestprice-sub').style.display = "block";
	document.getElementById('bestprice-sub').style.top = ptop;
	document.getElementById('bestprice-sub').style.left = pleft;
	}
function hide_bestprice()
	{
	document.getElementById('bestprice-sub').style.display = "none";
	}

function show_ehep(ptop,pleft)
	{
	document.getElementById('ehep-sub').style.display = "block";
	document.getElementById('ehep-sub').style.top = ptop;
	document.getElementById('ehep-sub').style.left = pleft;
	}
function hide_ehep()
	{
	document.getElementById('ehep-sub').style.display = "none";
	}
	
function show_ag(ptop,pleft)
	{
	document.getElementById('ag-sub').style.display = "block";
	document.getElementById('ag-sub').style.top = ptop;
	document.getElementById('ag-sub').style.left = pleft;
	}
function hide_ag()
	{
	document.getElementById('ag-sub').style.display = "none";
	}

function chk_nation()
	{
		if(document.fstep.nationalitaet.value != 'CH' && document.fstep.nationalitaet.value != '') 
			{
				document.getElementById('bewilligung1').style.display = "block";
				document.getElementById('bewilligung2').style.display = "block";
				document.getElementById('chseit1').style.display = "block";
				document.getElementById('chseit2').style.display = "block";
			}
		if(document.fstep.nationalitaet.value == 'CH' || document.fstep.nationalitaet.value == '') 
			{
				document.getElementById('bewilligung1').style.display = "none";
				document.getElementById('bewilligung2').style.display = "none";
				document.getElementById('chseit1').style.display = "none";
				document.getElementById('chseit2').style.display = "none";
			}
	}

function chk_zivilstand()
	{
		if(document.fstep.Zivilstand.value == 'verheiratet') 
			{
				document.getElementById('epartner1').style.display = "block";
			} else {
				document.getElementById('epartner1').style.display = "none";
				document.getElementById('epartner2').style.display = "none";
			}
	}

function chk_epartner()
	{
		document.getElementById('epartner2').style.display = "block";
	}
	
function chk_epartner2()
	{
		document.getElementById('epartner2').style.display = "none";
	}
	
function chk_bsituation()
	{
		if(document.fstep.bsituation.value != 'arbeitslos' && document.fstep.bsituation.value != 'Hausfrau' && document.fstep.bsituation.value != 'Rentner' && document.fstep.bsituation.value != 'Student/Schüler' && document.fstep.bsituation.value != 'IV-Rentne') 
			{
				document.getElementById('bsituation1').style.display = "block";
				document.getElementById('bsituation2').style.display = "block";
				document.getElementById('bsituation3').style.display = "block";
				document.getElementById('bsituation4').style.display = "block";
				document.getElementById('bsituation5').style.display = "block";
				document.getElementById('bsituation6').style.display = "block";
				document.getElementById('bsituation7').style.display = "block";
				document.getElementById('bsituation8').style.display = "block";
			}
		if(document.fstep.bsituation.value == 'arbeitslos' || document.fstep.bsituation.value == 'Hausfrau' || document.fstep.bsituation.value == 'Rentner' || document.fstep.bsituation.value == 'Student/Schüler' || document.fstep.bsituation.value == 'IV-Rentne') 
			{
				document.getElementById('bsituation1').style.display = "none";
				document.getElementById('bsituation2').style.display = "none";
				document.getElementById('bsituation3').style.display = "none";
				document.getElementById('bsituation4').style.display = "none";
				document.getElementById('bsituation5').style.display = "none";
				document.getElementById('bsituation6').style.display = "none";
				document.getElementById('bsituation7').style.display = "none";
				document.getElementById('bsituation8').style.display = "none";
			}
			
	}
	
function chk_nebenerwerb()
	{
		if(document.fstep.nebenerwerb.value != '0' && document.fstep.nebenerwerb.value != '') 
			{
				document.getElementById('nebenerwerb1').style.display = "block";
				document.getElementById('nebenerwerb2').style.display = "block";
			}
	}
	
function chk_krediteb()
	{
				document.getElementById('krediteb').style.display = "block";
	}
function chk_krediteb2()
			{
				document.getElementById('krediteb').style.display = "none";
			}