/*
// add cookie
// e.g. setCookie( 'mycookie', 'cookie value', 30, '/', '', '' );
function setCookie( name, value, daysToExpires, path, domain, secure ) 
{
   // set time, it's in milliseconds
   var today = new Date();
   today.setTime( today.getTime() );
    
   if ( expires )
   {
       expires = expires * 1000 * 60 * 60 * 24;
   }
   var expires_date = new Date( today.getTime() + (expires) );

   document.cookie = name + "=" +escape( value ) +  
                     ( ( expires ) ? ";expires=" + expires_date.toGMTString() : "" ) + 
                     ( ( path ) ? ";path=" + path : "" ) + 
                     ( ( domain ) ? ";domain=" + domain : "" ) +
                     ( ( secure ) ? ";secure" : "" );
}

// this function gets the cookie, if it exists
function getCookie( name ) {
   
   var start = document.cookie.indexOf( name + "=" );
   var len = start + name.length + 1;
   if ( ( !start ) &&
        ( name != document.cookie.substring( 0, name.length ) ) )
   {
       return null;
   }
   
   if ( start == -1 ) return null;
   var end = document.cookie.indexOf( ";", len );
   if ( end == -1 ) end = document.cookie.length;
   return unescape( document.cookie.substring( len, end ) );
}
	
// this deletes the cookie when called
function deleteCookie( name, path, domain ) {
    if ( Get_Cookie( name ) ) 
       document.cookie = name + "=" + 
                         ( ( path ) ? ";path=" + path : "") +
                         ( ( domain ) ? ";domain=" + domain : "" ) +
                         ";expires=Thu, 01-Jan-1970 00:00:01 GMT";
}
	
	*/
	
/*
function setCookie(name, value, expires, path, domain, secure) {	
	document.cookie = name + "=" + escape(value) +
 		((expires) ? "; expires=" + expires.toGMTString() : "") +
		((path) ? "; path="  + path : "") +
		((domain) ? "; domain=" + domain : "") +
		((secure) ? "; secure" : "");
	return true;
}
*/
function setCookie(name, value, expires, path, domain, secure) {	
	
   // set time, it's in milliseconds
   var today = new Date();
   today.setTime( today.getTime() );
    
   if ( expires )
   {
       expires = expires * 1000 * 60 * 60 * 24;
   }
   var expires_date = new Date( today.getTime() + (expires) );

   document.cookie = name + "=" +escape( value ) +  
                     ( ( expires ) ? ";expires=" + expires_date.toGMTString() : "" ) + 
                     ( ( path ) ? ";path=" + path : "" ) + 
                     ( ( domain ) ? ";domain=" + domain : "" ) +
                     ( ( secure ) ? ";secure" : "" );
   return true;
}

function getCookie(name) {
	var cName = name + "=";
	var dc = document.cookie;
 	if(dc.length > 0) {
		begin = dc.indexOf(cName);
		if(begin != -1) {
			begin += cName.length;
			end = dc.indexOf(";", begin);
			if(end == -1) end = dc.length;
		return unescape(dc.substring(begin,end));
 	}
	}
	return null;
}

function deleteCookie(name, path, domain) {
    if (getCookie(name)) {
        document.cookie = name + "=" + 
            ((path) ? "; path=" + path : "") +
            ((domain) ? "; domain=" + domain : "") +
            "; expires=Thu, 01-Jan-70 00:00:01 GMT";
    }
}

function expireValueDays(days) {
	if (days) {
		var date = new Date();
		date.setTime(date.getTime()+(days*24*60*60*1000));
		return date;
	}
	else return;
}