var path;

function changeImage(imgSrc) {
	if (document.all) {
		document.images.display.style.filter="blendTrans(duration=2)";
	  document.images.display.filters.blendTrans.Apply();
	}
	document.images.display.src = path + imgSrc;	
	if (document.all) {
		document.images.display.filters.blendTrans.Play();
	}
}

function setDefault(picPath) {
	path = "images/" + picPath + "/";
	if (document.prod_form.prodID.value != null) {
	  document.prod_form.prodID.checked = true;
		document.images.display.src = path + document.prod_form.prodID.value;
	} else {
		document.prod_form.prodID[0].checked = true;
		document.images.display.src = path + document.prod_form.prodID[0].value;
	}	
}

function checkAll(checked, fields) {
  if (checked) {
    for (i=1; i<fields.length; i++)
      fields[i].checked = true;
  } else {
    clearCheckBox(fields);
  }
}

function clearCheckBox(fields) {
  for (i=0; i<fields.length; i++)
    fields[i].checked = false;
}

function setValue(fields) {
  var prodList;
  var first = true;
  for (i=1; i<fields.length; i++) {
    if (fields[i].checked) {
      if (first) {
        prodList = fields[i].value;
        first = false;
      } else {
        prodList = prodList + ',' + fields[i].value;
      }
    }
  }

  alert(prodList);
}