function myopen(id){
    if(id==undefined)
        id=0;
window.open("http://webcast5.ncom.dk/liveguide/dinbank_082006/customer/index_popup.php?roomid="+id,"","width=390,height=240");
}

function togglemenu(id){
    ul = "undermenu_" + id;
    span = "punkt_" + id;
    ulElement = document.getElementById(ul);
    spanElement = document.getElementById(span);

    
    if (ulElement){
            if (ulElement.className == 'closed')
            {
             ulElement.className = "open";
             spanElement.className = "on";
            }
            else{
              ulElement.className = "closed";
              spanElement.className = "off";}
            }
}
    
    function toggle(elem)
{
	while (elem.nodeName != 'SPAN')
		elem = elem.nextSibling;
	if (elem.style.display != 'block')
		elem.style.display = 'block';
	else elem.style.display = 'none';
}


    function toggleprisliste(elem)
{
	while (elem.nodeName != 'DIV')
		elem = elem.nextSibling;
	if (elem.style.display != 'block')
		elem.style.display = 'block';
	else elem.style.display = 'none';
}



function externalLinks() { 
 if (!document.getElementsByTagName) return; 
 var anchors = document.getElementsByTagName("a"); 
 for (var i=0; i<anchors.length; i++) { 
   var anchor = anchors[i]; 
   if (anchor.getAttribute("href") && 
       anchor.getAttribute("rel") == "external") 
     anchor.target = "_blank"; 
 } 
} 
window.onload = externalLinks;

function regnut(form) {

	loan = form.loan.value;
	term  = form.months.value * 12;
	rente = form.rente.value
	
	rente = rente.replace(/,/,".")
	
	rente   = rente / 1200;
	dinbank = 3.25 / 1200;
 
 f1 = loan * rente / (1 - (Math.pow(1/(1 + rente), term)));
 f2 = loan * dinbank / (1 - (Math.pow(1/(1 + dinbank), term)));
 f3 = (f1 - f2)*term 
 
//form.resultat.value = Math.floor(f3);

	if (f3<0)
	{
	form.resultat.value = 0;
	}
	else
	{
	form.resultat.value = Math.floor(f3);
	}
}