function validateCommentsForm() {
	if (document.commentForm.postname.value == ''){
		alert('Please enter your name')
		document.commentForm.postname.focus()
		}
	else
	if (document.commentForm.email.value == '') {
		alert('Please enter your email address')
		document.commentForm.email.focus()
		}
	else
	if (document.commentForm.comment.value == ''){
		alert('Please enter your comment')
		document.commentForm.comment.focus()
		}
	else
	if (document.commentForm.comment.value.length > 1000){
		alert('Please make your comment brief')
		document.commentForm.comment.focus()
		}
	else
	 {
			if(navigator.appName == "Netscape")
			{
				serverData = document.getElementById("serverData");			
			}			

		document.commentForm.add_comment_button.value = "Adding comment...";
		document.commentForm.add_comment_button.disabled =true;
		//document.commentForm.submit()
		comment    = document.commentForm.comment.value.replace(/ /g, '+')
		postname   = document.commentForm.postname.value.replace(/ /g, '+')
		email      = document.commentForm.email.value
		//website    = document.commentForm.website.value
		topic_id = document.commentForm.topic_id.value
		content_id = document.commentForm.content_id.value
		serverData.innerHTML = '<IFRAME src=/include/process/process_comment.asp?postname='+postname+'&comment='+comment+'&email='+email+'&topic_id='+topic_id+'&content_id='+content_id+' width=468 height=150 frameborder=0 MARGINWIDTH=2 MARGINHEIGHT=2 NORESIZE=NORESIZE SCROLLING=></IFRAME>'
		document.commentForm.add_comment_button.value = "Comment Posted!";
		document.commentForm.add_comment_button.disabled =true;
    } 
    }