var selectedSong=1;
var stop=1;
function selectSong(act){
	var el=null;
	if(act=='1'){
		var i=selectedSong-1;
		if(i<1)i=3;
		if(el=document.getElementById('song'+i)){
			selectedSong=i;
			document.getElementById('song').innerHTML=el.innerHTML;
		}
	}
	if(act=='2'){
		var i=selectedSong+1;
		if(i>3)i=1;
		if(el=document.getElementById('song'+i)){
			selectedSong=i;
			document.getElementById('song').innerHTML=el.innerHTML;
		}
	}
}
function player(el){
	var player=document.getElementById('multiplayer');
	if(selectedSong!=null){
		if(stop!=null){
			if(stop==1){
				player.FileName='player/songs/'+selectedSong+'.mp3';
				player.scr='player/songs/'+selectedSong+'.mp3';
				if(navigator.appName == "Microsoft Internet Explorer"){
					document.multiplayer.Play()
					el.src='player/stop.gif';
					stop=2;
				}else{
					alert('Pjesme možete slušati jedino u Internet Exploreru!');
				}
			}else{
				player.stop();
				el.src='player/play.gif';
				stop=1;
			}
		}
	}
}
function chngClr(el,act){
	if(act=='On'){
		el.style.borderColor='#ff0000';
	}
	if(act=='Off'){
		el.style.borderColor='#494949';
	}
}
function lnkColor(el,act){
	if(act=='On'){
		el.style.backgroundColor='#ff0000';
		el.style.color='#ffffff';
	}
	if(act=='Off'){
		el.style.backgroundColor='#F3F3F3';
		el.style.color='#ff0000';
	}
}
function mouseY(e) {
if (e.pageY) return e.pageY;
else if (e.clientY)
   return e.clientY + (document.documentElement.scrollTop ?
   document.documentElement.scrollTop :
   document.body.scrollTop);
else return null;
}
function cancelBtn(){
	var el=document.getElementById('cms');
	el.innerHTML='';
	el.style.display='none';
}
function refresh()
{
    window.location.reload( false );
}
<!---AJAX-------------------->
var ajaxElId=null;
var cms=null;
var uploader = '';
var fileName='';
function createRequestObject(){
	var request_o;
	var browser = navigator.appName;
	if(browser == "Microsoft Internet Explorer"){
		request_o = new ActiveXObject("Microsoft.XMLHTTP");
	}else{
		request_o = new XMLHttpRequest();
	}
	return request_o;
}
var http = createRequestObject(); 

function getContent(action,elementID,height,e){
	if(height!=null){
		var y=mouseY(e);
		var cms=document.getElementById('cms');
		cms.style.display='block';
		cms.style.top=(y-height)+'px';
	}
	ajaxElId=document.getElementById(elementID);
	random_num = Math.random();
	http.open('get',action+'&rand='+random_num);
	http.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded;');
	http.onreadystatechange = handleProducts; 
	http.send(null);
}
function postContent(action,form){
	var postVars=null;
	random_num = Math.random();
	http.open('POST',action+'&rand='+random_num);
	http.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded;');
	http.onreadystatechange = handlePost; 
	for (i=0; i<form.elements.length; i++ ) { 
		//form.elements[i].focus();
		postVars=postVars + form.elements[i].name + '='+form.elements[i].value+'&';
  	}
	http.send(postVars);
}
function handlePost(){
	if(http.readyState == 4){
		var response = http.responseText;
		if(response=='OK'){
			var el=document.getElementById('cms');
			el.innerHTML='null';
			el.style.display='none';
			refresh();
		}else{
			alert(response);
		}
		response=null;
	}
}

function handleProducts(){
	if(http.readyState == 1){
		//document.getElementById('loading').style.display ='block';
	}
	if(http.readyState == 4){
		//document.getElementById('loading').style.display ='none';
		var response = http.responseText;
		//document.getElementById(ajaxElId).innerHTML = response;
		ajaxElId.innerHTML = response;
		response=null;
	}
}
function traceUpload(uploadDir,fileName) {
	random_num = Math.random();
	http.open("GET",'imageupload.php?rand='+random_num); 
	http.onreadystatechange = handleResponse;
   	http.send(null);   
}

function handleResponse() {
	if(http.readyState == 4){
        alert(http.responseText);
		var response=http.responseText;
		if(response=='OK'){
			var random_num = Math.random();
	        	document.getElementById('imageName').value='Y';
			document.getElementById(uploaderId).innerHTML='<img src="images/news/tmp1.jpg?'+random_num+'" border="0">';
		}else{
			alert('Slika nije ucitana. Pokusajte ponovo ili izvrsite optimizaciju slike.');
		}
    	}else{
    		document.getElementById(uploaderId).innerHTML = "Slika se ucitava...";
    	}
}

function uploadFile(obj){
	var uploadDir = obj.value;
	list=new Array;
	list=obj.value.split('\\');
	var j=list.length;
	fileName=list[j-1];
	uploaderId='uploader'+obj.name;
	uploader=obj.name;
	document.getElementById('formName'+obj.name).submit();
	traceUpload(uploadDir,fileName,obj.name);	
}
function traceImageUpload(uploadDir,fileName) {
	random_num = Math.random();
	http.open("GET",'galleryImage.php?rand='+random_num); 
	http.onreadystatechange = handleResponse;
   	http.send(null);   
}

function handleResponse() {
	if(http.readyState == 4){
        alert(http.responseText);
		var response=http.responseText;
		if(response=='OK'){
			var random_num = Math.random();
	        	document.getElementById('imageName').value='Y';
			document.getElementById(uploaderId).innerHTML='<img src="images/news/tmp1.jpg?'+random_num+'" border="0">';
		}else{
			alert('Slika nije ucitana. Pokusajte ponovo ili izvrsite optimizaciju slike.');
		}
    }else{
    	document.getElementById(uploaderId).innerHTML = "Slika se ucitava...";
    }
}

function uploadImage(obj){
	var uploadDir = obj.value;
	list=new Array;
	list=obj.value.split('\\');
	var j=list.length;
	fileName=list[j-1];
	uploaderId='uploader'+obj.name;
	uploader=obj.name;
	document.getElementById('formName'+obj.name).submit();
	traceImageUpload(uploadDir,fileName,obj.name);	
}