var expDays = 30;
var exp = new Date(); 
exp.setTime(exp.getTime() + (expDays*24*60*60*1000));

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 GetCookieIcono(Name) {
	  var end;
	  var search;
	  search = Name + "=";

	  if (document.cookie.length > 0) {
		offset = document.cookie.indexOf(search);
		if (offset != -1) {
		  offset += search.length;
		  end = document.cookie.indexOf(";", offset);
		  if (end == -1) end = document.cookie.length;
		  return unescape(document.cookie.substring(offset, end));
		} else {
		  return "";
		}
	  } else {
		return "";
	  }
	}
*/

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;  
	path = "/"
	var domain = (argc > 4) ? argv[4] : null;  
	var secure = (argc > 5) ? argv[5] : false;  
	document.cookie = name + "=" + escape (value) + 
	((expires == null) ? "" : ("; expires=" + expires.toGMTString())) + 
	((path == null) ? "" : ("; path=" + path)) +  
	((domain == null) ? "" : ("; domain=" + domain)) +    
	((secure == true) ? "; secure" : "");
}

function fijarCookie(name, value, days) {
   var expira = new Date();
   var path = "/"
   var fecha_actual =expira.toString()
   var milisegundos = Date.parse(fecha_actual);
   expira.setTime(milisegundos + (60*60*24*days*1000));
   document.cookie = name + "=" + value
   + "; path=" + path + ";" + ((expira == null) ? "" : ("; expires=" + expira.toGMTString()))
}

function fijarCookieMinutes(name, value, minutes) {
   var expira = new Date();
   var path = "/"
   var fecha_actual =expira.toString()
   var milisegundos = Date.parse(fecha_actual);
   expira.setTime(milisegundos + (60*minutes*1*1*1000));
   document.cookie = name + "=" + value
   + "; path=" + path + ";" + ((expira == null) ? "" : ("; expires=" + expira.toGMTString()))
}

function DeleteCookie (name) {
	var path = "/"
	var exp = new Date();  
	exp.setTime (exp.getTime() - 1);  
	var cval = GetCookie (name);  
	document.cookie = name + "=" + cval + "; path=" + path + "; expires=" + exp.toGMTString();
}

function replaceChars(entry,out,add) {
	temp = "" + entry;
	
	while (temp.indexOf(out)>-1) {
	pos= temp.indexOf(out);
	temp = "" + (temp.substring(0, pos) + add +
	temp.substring((pos + out.length), temp.length));
	}
	if (temp == null)
		temp =""
	return temp;
}