InputPlaceholder = function (el, text) {
	var $ = this;
	$.el = el;
	el.placeholder = $;
	$.default_text = text || el.value;
	
	
	addEvent(el, "focus", function () {
		if (this.value.toLowerCase() == this.placeholder.default_text.toLowerCase()) {
			this.value = "";
		}
	});
	
	addEvent(el, "blur", function () {
		if (this.value == "") {
			this.value = this.placeholder.default_text;
		}
	});
	
	$.setDefault();
}

InputPlaceholder.prototype = {
	setDefault: function () {
		this.el.value = this.default_text;
	}
}