/*
    Артур Макаров и Студия Лебедева представляют
*/
function InputPlaceholder (input, value)
{
	var thisCopy = this
	this.Type = input.type;
	this.Input = input
	this.Value = value
	this.SaveOriginal = (input.value == value)
	//this.CssFilled = cssFilled
	//this.CssEmpty = cssEmpty

	this.setupEvent (this.Input, 'focus', function() {return thisCopy.onFocus()})
	this.setupEvent (this.Input, 'blur',  function() {return thisCopy.onBlur()})
	this.setupEvent (this.Input, 'keydown', function() {return thisCopy.onKeyDown()})

	if (input.value == '') this.onBlur();

	return this
}

InputPlaceholder.prototype.setupEvent = function (elem, eventType, handler)
{
	if (elem.attachEvent)
	{
		elem.attachEvent ('on' + eventType, handler)
	}

	if (elem.addEventListener)
	{
		elem.addEventListener (eventType, handler, false)
	}
}

InputPlaceholder.prototype.onFocus = function () {
    if (!this.SaveOriginal && this.Input.value == this.Value) {
        this.Input.value = '';
        
        if(!document.all)
            this.Input.type = 'text';
    }
    else {
        if (!document.all)
            this.Input.type = this.Type;
        //this.Input.className = ''
    }
}

InputPlaceholder.prototype.onKeyDown = function () {
    if (!document.all)
        this.Input.type = this.Type;
	//this.Input.className = ''
}

InputPlaceholder.prototype.onBlur = function () {
    if (this.Input.value == '' || this.Input.value == this.Value) {
        this.Input.value = this.Value;
        
        if (!document.all)
            this.Input.type = 'text';
        //this.Input.className = this.CssEmpty
    }
    else {
        //this.Input.className = this.CssFilled
    }
}