// JavaScript Document
// Franz Pereira


function setCookie(name,value)
{
	var expireDate = new Date()
	expireDate.setMonth(expireDate.getYear()+120)

	document.cookie =
	name+"="+ value+";expires="
	+expireDate.toGMTString()
}

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 ""
}


// creates an unique id for every user
function createId()	{
	currentDate = new Date()
	return currentDate.getTime() + "abcd" + Math.floor(Math.random()*11) + Math.floor(Math.random()*11)
}

function permanentCookie(name)	{
	// if the cookie doesn't exists...
	if (getCookie(name) == "")	{
			// create one with a ramdom id
			setCookie(name,createId())
			setCookie("HCBPermanent",createId())
	}
		
}