﻿/*
This library provides all the functions used for hiding or showing a part on a web page based on a cookie value.
Developed for Geert81 on ELance project ID 58421190
Developed by Marius Conradie, Crossnet2008 on ELance.
*/
function setCookie(c_name,value,expiredays)
{
var exdate=new Date();
exdate.setDate(exdate.getDate()+expiredays);
document.cookie=c_name+ "=" +escape(value)+
((expiredays==null) ? "" : ";expires="+exdate.toUTCString());
}

/*
This function is used to control showing or hiding of div tags based on the existance of a cookie
*/
function checkCookie(hideElement, showElement, cookiename)
{
cname=getCookie(cookiename);
if (cname!=null && cname!="")
  {
  if(hideElement != null)  hidediv(hideElement);
  if(showElement != null) showdiv(showElement);
  }
else
  {
  if(showElement != null)hidediv(showElement);
  if(hideElement != null) showdiv(hideElement);
  }
  return true;
}

function getCookie(c_name)
{
if (document.cookie.length>0)
  {

  c_start=document.cookie.indexOf(c_name + "=");
  if (c_start!=-1)
    {

    c_start=c_start + c_name.length+1;
    c_end=document.cookie.indexOf(";",c_start);
    if (c_end==-1) c_end=document.cookie.length;
    return unescape(document.cookie.substring(c_start,c_end));
    }
    
  }
return "";
}

function hidediv(id) {
	//safe function to hide an element with a specified id
	if (document.getElementById) { // DOM3 = IE5, NS6
		document.getElementById(id).style.display = 'none';
	}
	else {
		if (document.layers) { // Netscape 4
			document.id.display = 'none';
		}
		else { // IE 4
			document.all.id.style.display = 'none';
		}
	}
}

function showdiv(id) {
	//safe function to show an element with a specified id
		  
	if (document.getElementById) { // DOM3 = IE5, NS6
		document.getElementById(id).style.display = 'block';
	}
	else {
		if (document.layers) { // Netscape 4
			document.id.display = 'block';
		}
		else { // IE 4
			document.all.id.style.display = 'block';
		}
	}
}
