// JavaScript Document

function ReadCookie(name){
  var MyCookie=document.cookie
  var length=MyCookie.length
  var start, end
  start=MyCookie.indexOf(name,0)
  start+=name.length
  end=MyCookie.indexOf(";",start)
  if(end==-1) end=length;
  return(MyCookie.substring(start+1,end))
}

function mycommentlength() {
var len = document.getElementById("comment").value;
newlen = len.length;
lenleft = 250 - newlen;
document.getElementById("lengthamt").innerHTML =  lenleft + " characters left"; 
if (lenleft < 1) 
    {
	alert("Please keep your comment to under 250 characters.");
	return false;
	}
}

function validateme() {
var name = document.commentform.name.value;
var email = document.commentform.email.value
var comment = document.commentform.comment.value
if (name == "")
    {
alert("Please Enter Your Name");
return false;
    }
if (email == "")
    {
alert("Please Enter Your Email");
return false;
    }
if ((email.indexOf("@") == -1) || (email.indexOf(".") == -1))
    {
alert("Please enter an email with the proper format: name@domain.com");
return false;
    }
if (comment == "")
    {
alert("Please Enter Your Comments");
return false;
    }
				
if (ReadCookie('rating') == false)
    {
alert("Please Select a Rating");
return false;				
				}
makeRequest();
}

function gen_rating(num) {
document.cookie = "rating=" + num;
for (i=1;i<=6;i++)
  {
if (i<=num)
    {
	document.getElementById(i).src = "images/star_on.gif";
	   }
else
    {
	document.getElementById(i).src = "images/star_off.gif";
	   }
		}
}

function applyDisplay()
{
if (document.getElementById("commentid").style.display == 'none') {
document.getElementById("commentid").style.display = '';
document.getElementById("commentbtn").innerHTML = 'Cancel';
          }
else 
    {
	document.getElementById("commentid").style.display = 'none';	
document.getElementById("commentbtn").innerHTML = 'Add Comment*';
document.getElementById("comment").value = '';
				}
}