//Time in days to save form fields values after last visit
//Set to different value to reset cookie (ie: "101 days" instead of "100 days"):
var memoryduration="1 days"

function setformobjects()
{
	var theforms=document.forms
	memorizearray=new Array()
	for (i=0; i< theforms.length; i++)
		{
			for (j=0; j< theforms[i].elements.length; j++)
				{
					if (theforms[i].elements[j].className.indexOf("memorize")!=-1 && theforms[i].elements[j].type=="text")
						memorizearray[memorizearray.length]=theforms[i].elements[j]
				}
		}
	var retrievedvalues=get_cookie("mvalue"+window.location.pathname)
	if (retrievedvalues!="")
		{
			retrievedvalues=retrievedvalues.split("|")
			if (retrievedvalues[retrievedvalues.length-1]!=parseInt(memoryduration)) //reset cookie if var memoryduration has changed
			resetcookie("mvalue"+window.location.pathname)
			else
			{
				for (i=0; i<memorizearray.length; i++)
				{
					if (retrievedvalues[i]!="empty_value")
					memorizearray[i].value=retrievedvalues[i]
				}
			}
		}
}

function get_cookie(Name) 
{
  var search = Name + "="
  var returnvalue = "";
  if (document.cookie.length > 0) 
  	{
    	offset = document.cookie.indexOf(search)
    	if (offset != -1) 
			{ // if cookie exists
      			offset += search.length
      			end = document.cookie.indexOf(";", offset);
      			if (end == -1)
         			end = document.cookie.length;
      			returnvalue=unescape(document.cookie.substring(offset, end))
      		}
   }
return returnvalue;
}

function resetcookie(id)
{
	var expireDate = new Date()
	expireDate.setDate(expireDate.getDate()-10)
	document.cookie = id+"=;path=/;expires=" + expireDate.toGMTString()
}

function saveformvalues()
{
		var formvalues=new Array(), temp
		for (i=0; i<memorizearray.length; i++)
			{
				temp=memorizearray[i].value!=""? memorizearray[i].value : "empty_value"
				formvalues[formvalues.length]=escape(temp)
			}
		formvalues[formvalues.length]=parseInt(memoryduration)
		formvalues=formvalues.join("|")
		var expireDate = new Date()
		expireDate.setDate(expireDate.getDate()+parseInt(memoryduration))
		document.cookie = "mvalue"+window.location.pathname+"="+formvalues+"; path=/;expires=" + expireDate.toGMTString()
}

if (window.addEventListener)
	window.addEventListener("load", setformobjects, false)
else 
	if (window.attachEvent)
			window.attachEvent("onload", setformobjects)
else 
	if (document.getElementById)
			window.onload=setformobjects
if (document.getElementById)
	window.onunload=saveformvalues