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 ) );
	}
		
	function setCookie( name, value, expires, path, domain, secure ) {
		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() : "" ) + //expires.toGMTString()
			( ( path ) ? ";path=" + path : "" ) +
			( ( domain ) ? ";domain=" + domain : "" ) +
			( ( secure ) ? ";secure" : "" );
	}
		
	function deleteCookie( name, path, domain ) {
		if ( getCookie( name ) ) document.cookie = name + "=" +
				( ( path ) ? ";path=" + path : "") +
				( ( domain ) ? ";domain=" + domain : "" ) +
				";expires=Thu, 01-Jan-1970 00:00:01 GMT";
	}

	function createCookie(name,value,days) {
		if (days) {
			var date = new Date();
			date.setTime(date.getTime()+(days*24*60*60*1000));
			var expires = "; expires="+date.toGMTString();
		}
		else var expires = "";
		document.cookie = name+"="+value+expires+"; path=/";
	}
	function readCookie(name) {
		var nameEQ = name + "=";
		var ca = document.cookie.split(';');
		for(var i=0;i < ca.length;i++) {
			var c = ca[i];
			while (c.charAt(0)==' ') c = c.substring(1,c.length);
			if (c.indexOf(nameEQ) == 0) return c.substring(nameEQ.length,c.length);
		}
		return null;
	}

	function eraseCookie(name) {
		createCookie(name,"",-1);
	}