$(document).ready(
	function(){
		$('#frontrefs').innerfade({
			speed: 0,
			timeout: 10000,
			type: 'random'
		});
	}
);



function toggle(id){

      var elem = $("#info" + id)[0];
      //if ($("#info" + id).is(":hidden")) {
      if(elem.style.display == 'none'){
        $("#info" + id).show();
        $("#i" + id).attr("src","/graphics/icon_minus.gif");
      } else {
        $("#info" + id).hide();
        $("#i" + id).attr("src","/graphics/icon_plus.gif");
      }
}


function calc(element){

	if (element.type == "checkbox"){
		if (element.readonly == true){
		alert('Test af Lasse!');
		}	
	}

	var v;
	v = 0;
	for (var i=0;i<document.forms[0].elements.length;i++)
	{
		var fieldtype = document.forms[0].elements[i].type;
		var fieldname = document.forms[0].elements[i].name;
		var fieldchecked = document.forms[0].elements[i].checked;
		var fieldvalue = document.forms[0].elements[i].value;
		var fieldreadonly = document.forms[0].elements[i].readonly;

		switch(fieldtype)
		{
		case "checkbox":
			if (isInteger(fieldvalue) == true){
			if (fieldchecked == true){
				v += parseInt(fieldvalue);
			}
			}
			break;
		default:	
		}

		//alert('Type: ' + fieldtype + '\nName: ' + fieldname + '\nChecked: ' + fieldchecked + '\nValue:' + fieldvalue);
	}

	if(document.all){
	     document.getElementById('sum').innerText = v;
	} else{
	    document.getElementById('sum').textContent = v;
	}
}



function isInteger(s)
{
  var i;

  if (isEmpty(s))
  if (isInteger.arguments.length == 1) return 0;
  else return (isInteger.arguments[1] == true);

  for (i = 0; i < s.length; i++)
  {
     var c = s.charAt(i);

     if (!isDigit(c)) return false;
  }

  return true;
}



function isEmpty(s)
{
  return ((s == null) || (s.length == 0))
}



function isDigit (c)
{
  return ((c >= "0") && (c <= "9"))
}