/**
 * @author elbosman
 */
function AddToCart(dim_id,qty)
{
	var http_request = GetXmlHttpObject();
  if(http_request==null)
    return false;

	http_request.onreadystatechange=function()
	{
		if(http_request.readyState==4)
	  {
	  	document.getElementById('cart_box').innerHTML = http_request.responseText;
			var div = document.getElementById('added_'+dim_id);
			var tmp = parseInt(div.innerHTML);
			div.innerHTML = (tmp+qty)>0?tmp+qty:0;
			if(tmp==0)
				div.className='added show';
	  }
	}

	var parameters = "dim_id="+dim_id+"&quantity="+qty;
	http_request.open('POST', "/js/add_to_cart.html", true);
  http_request.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
  http_request.setRequestHeader("Content-length", parameters.length);
  http_request.setRequestHeader("Connection", "close");
  http_request.send(parameters);
	return false;
}

 function disable(who)
 {
    var form = who.form;
    for (var i=0;i<form.elements.length;i++)
			form.elements[i].readOnly = true;
 }