//Funktion til at ændre shoppens indstillinger
function OverAllChanges()
{

	//Skift priser i kurv
	var totalprice 	= document.getElementById('totalprice').innerHTML.replace(',00','').replace('.','');
	if(totalprice=='0')
	{
		document.getElementById('vareprisROW').innerHTML = '<br />';
		document.getElementById('fragtROW').innerHTML = '<br />';
	}
	else
	{
		var fragt = document.getElementById('fragt').innerHTML.split("&")[0].replace(',00','');

		document.getElementById('varerpris').innerHTML = add_dot(parseFloat(totalprice-fragt)) + ',00';
	}
}


//Vis "Indkøbskurv er tom" i kurven hvis der ingen varer er. 
function DeaktiverKoeb()
{
	if(document.getElementById('left').innerHTML == '0 vare(r)')
		document.getElementById('kurvdiv').innerHTML = '<img src="/grafik/indkobskurv/kurv-tom.gif" />';
}


//Formater pris
function add_dot(nStr)
{
	nStr += '';
	x = nStr.split('.');
	x1 = x[0];
	x2 = x.length > 1 ? '.' + x[1] : '';
	var rgx = /(\d+)(\d{3})/;
	while (rgx.test(x1))
	{
		x1 = x1.replace(rgx, '$1' + '.' + '$2');
	}
    return x1 + x2;
}

//funktion til at skifte købsknappen
function ChangeBuy(clsName,image)
{
    var retVal = new Array();
    var elements = document.getElementsByTagName("*");
    for(var i = 0;i < elements.length;i++){
        if(elements[i].className.indexOf(" ") >= 0){
            var classes = elements[i].className.split(" ");
            for(var j = 0;j < classes.length;j++){
                if(classes[j] == clsName)
                    retVal.push(elements[i]);
            }
        }
        else if(elements[i].className == clsName)
		elements[i].src = image;
            retVal.push(elements[i]);
    }
    return retVal;
}

//cookies
function setCookie(c_name,value,expiredays){
	var exdate=new Date();
	exdate.setDate(exdate.getDate()+expiredays);
	document.cookie=c_name+ "=" +escape(value)+((expiredays==null) ? "" : ";expires="+exdate.toGMTString());
}

function getCookie(c_name){
if (document.cookie.length>0){
	c_start=document.cookie.indexOf(c_name + "=");
	if (c_start!=-1){ 
	    c_start=c_start + c_name.length+1; 
    	c_end=document.cookie.indexOf(";",c_start);
	    if (c_end==-1) c_end=document.cookie.length;
    return unescape(document.cookie.substring(c_start,c_end));} 
  }
return "";
}