//Stock cookie functions *************************************************************************
function getCookieVal (offset) {  
	var endstr = document.cookie.indexOf (";", offset);  
	if (endstr == -1)    
	   endstr = document.cookie.length;  
	return unescape(document.cookie.substring(offset, endstr));
}
function GetCookie(name) {  
	var arg = name + "=";  
	var alen = arg.length;  
	var clen = document.cookie.length;  
	var i = 0;  
	while (i < clen) {    
	    var j = i + alen;    
		if (document.cookie.substring(i, j) == arg)      
		return getCookieVal (j);    
		i = document.cookie.indexOf(" ", i) + 1;    
	   	if (i == 0) break;   
	}  
	return null;
}
function SetCookie(name, value) {  
	var argv = SetCookie.arguments;  
	var argc = SetCookie.arguments.length;  
	var expires = (argc > 2) ? argv[2] : null;  
	var path = (argc > 3) ? argv[3] : null;  
	var domain = (argc > 4) ? argv[4] : null;  
	var secure = (argc > 5) ? argv[5] : false;  
    var sCookie =  name + "=" + escape (value) + 
		((expires == null) ? "" : ("; expires=" + expires.toGMTString())) + 
		((path == null) ? "" : ("; path=" + path)) +  
		((domain == null) ? "" : ("; domain=" + domain)) +    
		((secure == true) ? "; secure" : "");
	document.cookie = sCookie;
}
function getExpDate(iDays) {
    var expdate = new Date();
	expdate.setTime(expdate.getTime() + (iDays*24*60*60*1000));
	return expdate;	
}
function saveValue(o,name){
  if (o.value!='') {var expdate = getExpDate(120);SetCookie(name,o.value,expdate);}
}
function retrieveValue(o,name){
   var sVal=GetCookie(name);
   if (sVal!=null) {
      o.value=sVal;
   }
}