function blanik_head_onair(){
	var stream_win = null;
	var wnd_width = 520;
	var wnd_height = 365;
	LeftPosition = (screen.width) ? (screen.width-wnd_width)/2 : 0;
	TopPosition = (screen.height) ? (screen.wnd_height)/2 : 0;
	settings = 'height='+wnd_height+', width='+wnd_width+',top='+TopPosition+',left='+LeftPosition+',scrollbars=no';
	stream_win = window.open('http://www.radioblanik.cz/index.php?module=blanik_stream', 'BLANIK_STREAM', settings);
	stream_win.focus();
}

function blanik_cz_head_onair(){
	var stream_win = null;
	var wnd_width = 770;
	var wnd_height = 545;
	LeftPosition = (screen.width) ? (screen.width-wnd_width)/2 : 0;
	TopPosition = (screen.height) ? (screen.wnd_height)/2 : 0;
	settings = 'height='+wnd_height+', width='+wnd_width+',top='+TopPosition+',left='+LeftPosition+',scrollbars=no';
	stream_win = window.open('http://webradia.radioblanik.cz/index.php?stream=blanikcz', 'BLANIK_CZ', settings);
	stream_win.focus();
}




if (window.XMLHttpRequest){
	// Mozilla
	var xmlhttp_onair = new XMLHttpRequest();
} else if (window.ActiveXObject){
	// IE
	var xmlhttp_onair = new ActiveXObject("Microsoft.XMLHTTP");
}

function stream_update() {
	xmlhttp_onair.open("GET", xmlURL, true);
	xmlhttp_onair.onreadystatechange=function() {
		if (xmlhttp_onair.readyState==4) {
			// Do action...
			//alert (xmlhttp_onair.responseText);
			values = xmlhttp_onair.responseText.split("\r\n");
			
			oldText = document.getElementById('onair_pisnicka').innerHTML;
			newText = "<strong>" + values[0] + "</strong> - " + values[1];
			document.getElementById('onair_pisnicka').innerHTML = newText;
			if (newText != oldText) document.getElementById('onair_pisnicka').style.left = '0px';

			
			//document.getElementById('onair_pisnicka_url').href = song_db_baseurl + '&song_id='+values[4];
			stream_refreshAfter = values[2];
			document.getElementById('hlavicka_onair_moderator').innerHTML = values[3];
			document.getElementById('hlavicka_onair_moderator_fotka').style.background = "url('images/moderator/" + values[4] + ".gif')";
			document.getElementById('hlavicka_onair_porad').innerHTML = values[5];
			
			// DATA OK.
			stream_refreshAfter = stream_refreshAfter * 1;
			if (stream_refreshAfter > 300) { stream_refreshAfter = 300; }
			if (stream_refreshAfter < 15) { stream_refreshAfter = 15; }
			stream_refreshAfter = stream_refreshAfter * 1000;
			setTimeout('stream_update()', stream_refreshAfter);
		}
	}
	xmlhttp_onair.send(null);
}

function ScrollIt(text_scroll_speed, text_scroll_step, text_scroll_revert_wait, idOuter, idInner, idHelper) {
	var newLeft = 0;
	var scrollWait = text_scroll_speed;
	var text_scroll_revert_left = 0;
	var text_scroll_revert_right = 0;
	var curLeft = (document.getElementById(idInner).style.left).replace('px', '') * 1;
	var width_outer = document.getElementById(idOuter).clientWidth;
	var width_inner = document.getElementById(idHelper).clientWidth;
	
	document.getElementById(idHelper).innerHTML = document.getElementById(idInner).innerHTML;
	if (width_outer > width_inner) {
		document.getElementById(idInner).style.left = '0px';
		scrollWait = text_scroll_revert_wait;
	} else {
		if (curLeft < ((width_inner * -1) + width_outer - text_scroll_revert_right)) {
			text_scroll_step = text_scroll_step * -1;
			scrollWait = text_scroll_revert_wait;
		}
		if (curLeft > text_scroll_revert_left) {
			text_scroll_step = text_scroll_step * -1;
			scrollWait = text_scroll_revert_wait;
		}
		newLeft = curLeft - text_scroll_step;
		document.getElementById(idInner).style.left = newLeft + 'px';
	}
	
	setTimeout('ScrollIt('+text_scroll_speed+', '+text_scroll_step+', '+text_scroll_revert_wait+', "'+idOuter+'", "'+idInner+'", "'+idHelper+'")', scrollWait);
}

function AlignBlockHeights(block1, block2) {
	var height1 = document.getElementById(block1).clientHeight;
	var height2 = document.getElementById(block2).clientHeight;
	var newHeight = 0;
	
	if (height1 > height2) { newHeight = height1; } else { newHeight = height2; }
	//alert(height1 + ' --- ' + height2 + ' ==> ' + newHeight);
	
	if (newHeight > 60) {
		document.getElementById(block1).style.height = newHeight + 'px';
		document.getElementById(block2).style.height = newHeight + 'px';
	}
}


// MAIN CODE
function oldies_init(){ 
	stream_update();
	ScrollIt(40, 1, 2500, "hlavicka_onair_pisnicka", "onair_pisnicka", "ScrollIt_helper");
}

var xmlURL = "";
var song_db_baseurl = 'index.php?pageid=168261';
var stream_refreshAfter = 30;

// Main Menu
sfHover = function() {
	var sfEls = document.getElementById("nav").getElementsByTagName("LI");
	for (var i=0; i<sfEls.length; i++) {
		sfEls[i].onmouseover=function() {
			this.className+=" sfhover";
		}
		sfEls[i].onmouseout=function() {
			this.className=this.className.replace(new RegExp(" sfhover\\b"), "");
		}
	}
}
if (window.attachEvent) window.attachEvent("onload", sfHover);