/**
*
* scroll-a content div
* 
* @param string p_position
*/
var position = 0;
var step = 25;
function scroll(p_position)
{	
	// ako postoji container i data...
	if( document.getElementById('content_up_data_container') && document.getElementById('data') )
	{
		// pokupi objekte
		obj_container = document.getElementById('content_up_data_container');
		obj_data = document.getElementById('data');

		// pokupi visine
		container_height = obj_container.clientHeight;
		data_height = obj_data.clientHeight;
		
		// ako je data vece od containera...
		if( data_height > container_height )
		{	
			// pomak prema gore
			if( p_position=="up" && Math.abs(position)<=(data_height-container_height) ){
				position -= step;
			}
			// pomak prema dole
			else if( p_position == "down" && position < 0 ){
				position += step;
			}
		
			// pomakni div
			obj_data.style.top = position + "px";
			
			// debug
			//document.getElementById('footer_copyright').innerHTML = position;
		}
	}
}




/**
*
* otvara medij u popup prozoru
* 
* @param string p_type
* @param integer p_id
*/
function open_media(p_type, p_id)
{
	// definiraj url i ime popup prozora
	_url = "index.php?cmd=popup_media&type=" + p_type + "&id=" + p_id;
	_name = p_type;
	
	// definiraj dimenzije popup prozora
	if( p_type == "pjesma" ){
		_win_w = 300;
		_win_h = 20;
	}else if( p_type == "video" ){
		_win_w = 400;
		_win_h = 300;
	}else if( p_type == "slika" ){
		_win_w = 600;
		_win_h = 400;
	}else if( p_type == "thumb_video" ){
		_win_w = 150;
		_win_h = 150;
	}
	else if( p_type == "thumb_vijest" ){
		_win_w = 200;
		_win_h = 200;
	}
	
	// otvori popup prozor sa zadanim parametrima
	_win = window.open ( _url, _name, config='width='+_win_w+', height='+_win_h+', toolbar=no, menubar=no, scrollbars=no, resizable=no, location=no, directories=no, status=no' );
	_win.focus();
}




/**
*
* toggle review
* 
* @param integer p_div_id
* @param boolean p_show
*/
function handle_tekst(p_div_id, p_sadrzaj_otvor, p_sadrzaj_zatvor)
{
	var div_ime_otvor = p_sadrzaj_otvor+"_"+p_div_id;
	var button_ime_otvor = p_sadrzaj_otvor+"_button_"+p_div_id;
	var div_ime_zatvor = p_sadrzaj_zatvor+"_"+p_div_id;
	var button_ime_zatvor = p_sadrzaj_zatvor+"_button_"+p_div_id;
	
	document.getElementById(div_ime_otvor).style.display = "block";
	document.getElementById(button_ime_otvor).innerHTML = "zatvori "+p_sadrzaj_otvor;
	document.getElementById(div_ime_otvor).style.display = "none";
	document.getElementById(button_ime_zatvor).innerHTML = p_sadrzaj_zatvor;
		
	document.getElementById(button_ime_otvor).onclick = function()
	{
			handle_tekst(p_div_id, p_sadrzaj_zatvor, p_sadrzaj_otvor);
	};
}