var dy;
var maxY;
var mode;
var obj;
var padd;

dy = 0;
mode = 0;
maxY = 18;
padd = 10;
	
function toggleAltDelivery() {
	obj = document.getElementById("shop_deliveryContainer");

	if (mode==0) {
		doRolldown();
	}
	else {
		doRollup();
	}
}

function doRolldown() {
	if (dy < maxY) {
		dy += 2;
		calc = (dy*dy)+padd;
		obj.style.height = calc+'px';
		window.scrollBy(0,dy*dy); 
		setTimeout('doRolldown()',10);
	}
	else {
		mode = 1;
		dy = 0;
	}
}

function doRollup() {
	if (dy < maxY) {
		dy += 2;
		calc = ((maxY*maxY)-(dy*dy))+padd;
		obj.style.height = calc+'px';
		setTimeout('doRollup()',10);
	}
	else {
		mode = 0;
		dy = 0;
	}
}

function checkOptions() {
	
	x=document.forms[0];

	for(y=0;y<x.elements.length;y++) {
		temp=x.elements[y];
		if(temp.type=="select-one") {
			if(temp.value=="nogo") {
				alert("Du skal vælge noget i alle felter");
				return false;
			}
		}
	}
	document.forms[0].submit();
}

function doDanmark(obj) {
	if (obj.checked) {
		document.getElementById("cpr_one").disabled="";
		document.getElementById("cpr_two").disabled="";
	}
	else {
		document.getElementById("cpr_one").disabled="disabled";
		document.getElementById("cpr_two").disabled="disabled";
	}
}

function doEraseBasket() {
	a = confirm("Ønsker du at slette alle varer i din kurv?");
	if (a==false) {
		return false;
	}
	document.forms[0].submit();
}