/**
 * Améliorations String
 */

String.prototype.trim = function() {
        a = this.replace(/^\s+/, '');
        return a.replace(/\s+$/, '');
};

String.prototype.escapeHTML = function () {
	var div = document.createElement('div');
	var text = document.createTextNode(this);
	div.appendChild(text);
	return div.innerHTML;
};