// Example: obj = findObj("image1");
function findObj(theObj, theDoc)
{
  var p, i, foundObj;
  
  if(!theDoc) theDoc = document;
  if( (p = theObj.indexOf("?")) > 0 && parent.frames.length)
  {
    theDoc = parent.frames[theObj.substring(p+1)].document;
    theObj = theObj.substring(0,p);
  }
  if(!(foundObj = theDoc[theObj]) && theDoc.all) foundObj = theDoc.all[theObj];
  for (i=0; !foundObj && i < theDoc.forms.length; i++) 
    foundObj = theDoc.forms[i][theObj];
  for(i=0; !foundObj && theDoc.layers && i < theDoc.layers.length; i++) 
    foundObj = findObj(theObj,theDoc.layers[i].document);
  if(!foundObj && document.getElementById) foundObj = document.getElementById(theObj);
  
  return foundObj;
}

// * Dependencies * 
// this function requires the following snippet:
// JavaScript/readable_MM_functions/findObj
function setColor(objName, fg, bg)
{
  obj = findObj(objName);
  if (obj.style)
  {
    obj.style.color = fg;
    obj.style.backgroundColor = bg;
  }
}

function checkForm(){
	
if (document.comments_form.text.value=='') {
var msg = "Please enter your comments.";
alert(msg);
document.comments_form.text.focus();
return false;
}	
else {
document.comments_form.submit();
	}
}