/*
 * String manipulation
 */

function Trim( p_string ) {
	if (typeof p_string != "string") {
		return p_string;
	}

	var t_string = p_string;
	var t_ch = '';

	// Trim beginning spaces

	t_ch = t_string.substring( 0, 1 );
	while ( t_ch == " " ) {
		t_string = t_string.substring( 1, t_string.length );
		t_ch = t_string.substring( 0, 1 );
	}

	// Trim trailing spaces

	t_ch = t_string.substring( t_string.length-1, t_string.length );
	while ( t_ch == " " ) {
		t_string = t_string.substring( 0, t_string.length-1 );
		t_ch = t_string.substring( t_string.length-1, t_string.length );
	}

	return t_string;
}


/*
 * Cookie functions
 */

function GetCookie( p_cookie ) {
	var t_cookie_name = "TUNATHEDAY_" + p_cookie;
	var t_cookies = document.cookie;

	t_cookies = t_cookies.split( ";" );

	var i = 0;
	while( i < t_cookies.length ) {
		var t_cookie = t_cookies[ i ];

		t_cookie = t_cookie.split( "=" );

		if ( Trim( t_cookie[ 0 ] ) == t_cookie_name ) {
			return( t_cookie[ 1 ] );
		}
		i++;
	}

	return -1;
}

function SetCookie( p_cookie, p_value ) {
	var t_cookie_name = "TUNATHEDAY_" + p_cookie;
	var t_expires = new Date();

	t_expires.setTime( t_expires.getTime() + (365 * 24 * 60 * 60 * 1000));

	document.cookie = t_cookie_name + "=" + p_value + "; expires=" + t_expires.toUTCString() + ";";
}

function textCounter(field, cntfield, maxlimit) {

	cntfield = document.getElementById(cntfield);

	if (field.value.length > maxlimit)	{
		field.value = field.value.substring(0, maxlimit);
	}
	else	{
		cntfield.innerHTML = maxlimit - field.value.length;
	}
}