// without no-break space (\u00A0)
String.prototype.trim = function() {
    return this.replace(/^[\f\n\r\t\v\u2028\u2029 ]+|[\f\n\r\t\v\u2028\u2029 ]+$/g,"");
}
String.prototype.ltrim = function() {
    return this.replace(/^[\f\n\r\t\v\u2028\u2029 ]+/,"");
}
String.prototype.rtrim = function() {
    return this.replace(/[\f\n\r\t\v\u2028\u2029 ]+$/,"");
}

//ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff
function str_replace (search, replace, subject, count) 
{
	var i = 0, j = 0, temp = '', repl = '', sl = 0, fl = 0,
		f = [].concat(search),
		r = [].concat(replace),
		s = subject,
		ra = r instanceof Array, sa = s instanceof Array;
	s = [].concat(s);
	if (count) {
		this.window[count] = 0;
	}

	for (i=0, sl=s.length; i < sl; i++)
	{
		if (s[i] === '') 
		{
			continue;
		}
		for (j=0, fl=f.length; j < fl; j++) 
		{
			temp = s[i]+'';
			repl = ra ? (r[j] !== undefined ? r[j] : '') : r[0];
			s[i] = (temp).split(f[j]).join(repl);
			if (count && s[i] !== temp) {
				this.window[count] += (temp.length-s[i].length)/f[j].length;}
    }
  }
	return sa ? s : s[0];
}
//ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff
function explode(delimiter, string)
{
// http://kevin.vanzonneveld.net
// +   original by: Kevin van Zonneveld (http://kevin.vanzonneveld.net)
// +   improved by: kenneth
// +   improved by: Kevin van Zonneveld (http://kevin.vanzonneveld.net)
// *     example 1: explode(' ', 'Kevin van Zonneveld');
// *     returns 1: {0: 'Kevin', 1: 'van', 2: 'Zonneveld'}

	var emptyArray = { 0: '' };

	if (arguments.length != 2 || typeof arguments[0] == 'undefined' || typeof arguments[1] == 'undefined' )
		return null;

  if (delimiter === '' || delimiter === false || delimiter === null )
		return false;

	if(typeof delimiter == 'function' || typeof delimiter == 'object' || 
	 		typeof string == 'function' || typeof string == 'object' )
	{
		return emptyArray;
	}

	if(delimiter === true)
		delimiter = '1';

	return string.toString().split(delimiter.toString());
}
//ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff

//ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff
String.prototype.strip_tags = function(allowed_tags){
    // Strips HTML and PHP tags from a string  
    // 
    // version: 1008.1718
    // discuss at: http://phpjs.org/functions/strip_tags
    // +   original by: Kevin van Zonneveld (http://kevin.vanzonneveld.net)
    // +   improved by: Luke Godfrey
    // +      input by: Pul
    // +   bugfixed by: Kevin van Zonneveld (http://kevin.vanzonneveld.net)
    // +   bugfixed by: Onno Marsman
    // +      input by: Alex
    // +   bugfixed by: Kevin van Zonneveld (http://kevin.vanzonneveld.net)
    // +      input by: Marc Palau
    // +   improved by: Kevin van Zonneveld (http://kevin.vanzonneveld.net)
    // +      input by: Brett Zamir (http://brett-zamir.me)
    // +   bugfixed by: Kevin van Zonneveld (http://kevin.vanzonneveld.net)
    // +   bugfixed by: Eric Nagel
    // +      input by: Bobby Drake
    // +   bugfixed by: Kevin van Zonneveld (http://kevin.vanzonneveld.net)
    // +   bugfixed by: Tomasz Wesolowski
    // *     example 1: strip_tags('<p>Kevin</p> <b>van</b> <i>Zonneveld</i>', '<i><b>');
    // *     returns 1: 'Kevin <b>van</b> <i>Zonneveld</i>'
    // *     example 2: strip_tags('<p>Kevin <img src="someimage.png" onmouseover="someFunction()">van <i>Zonneveld</i></p>', '<p>');
    // *     returns 2: '<p>Kevin van Zonneveld</p>'
    // *     example 3: strip_tags("<a href='http://kevin.vanzonneveld.net'>Kevin van Zonneveld</a>", "<a>");
    // *     returns 3: '<a href='http://kevin.vanzonneveld.net'>Kevin van Zonneveld</a>'
    // *     example 4: strip_tags('1 < 5 5 > 1');
    // *     returns 4: '1 < 5 5 > 1'
		var str = this;
		var key = '', allowed = false;
    var matches = [];
    var allowed_array = [];
    var allowed_tag = '';
    var i = 0;
    var k = '';
    var html = '';
 
    var replacer = function (search, replace, str) {
        return str.split(search).join(replace);
    };
 
    // Build allowes tags associative array
    if (allowed_tags) {
        allowed_array = allowed_tags.match(/([a-zA-Z0-9]+)/gi);
    }
 
    str += '';
 
    // Match tags
    matches = str.match(/(<\/?[\S][^>]*>)/gi);
 
    // Go through all HTML tags
    for (key in matches) {
        if (isNaN(key)) {
            // IE7 Hack
            continue;
        }
 
        // Save HTML tag
        html = matches[key].toString();
 
        // Is tag not in allowed list? Remove from str!
        allowed = false;
 
        // Go through all allowed tags
        for (k in allowed_array) {
            // Init
            allowed_tag = allowed_array[k];
            i = -1;
 
            if (i != 0) { i = html.toLowerCase().indexOf('<'+allowed_tag+'>');}
            if (i != 0) { i = html.toLowerCase().indexOf('<'+allowed_tag+' ');}
            if (i != 0) { i = html.toLowerCase().indexOf('</'+allowed_tag)   ;}
 
            // Determine
            if (i == 0) {
                allowed = true;
                break;
            }
        }
 
        if (!allowed) {
            str = replacer(html, "", str); // Custom replace. No regexing
        }
    }
 
    return str;
}
//ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff