var firstimg= new String("empty");
var firstimg_descr= new String("empty");
var port_selected = new String("empty");

function view_big_image(imglink,ida,ide,index){
    var img = document.getElementById("fullimg");
    var imgdate = document.getElementById("imgdate");
    var imgdescr = document.getElementById("imgdescr");
    img.src = 'upload/Image/'+index+'/'+imglink;
    imgdate.innerText = ida;
    imgdescr.innerText= ide;
}
			
function setfirst_img(img,index,descr){
    if (firstimg=="empty"){
        firstimg = img;
	firstimg_descr = descr;
    }
}

function search_submit(){
    var img = document.getElementById("search_key");
    document.location.href = "?index=search&key="+img.value;
}
					
function updatefirst_img(index){
    var img = document.getElementById("fullimg");
    var descr = document.getElementById("imgdescr");
    if (firstimg!="empty") {
	img.src = 'upload/Image/'+index+'/'+firstimg;
	descr.innerText = firstimg_descr;
    }
    else {
        img.src = "images/noimage.gif";
        img.width = 150;
        var la = document.getElementById("leftarrow");
        la.style.visibility = "hidden";
        var ra = document.getElementById("rightarrow");
        ra.style.visibility = "hidden";
    }
    //alert(document.location.href);
}

function changeImg(id,index){
    var img = document.getElementById("img-"+id);
    var path = document.getElementById(id).value;
    img.src = 'upload/Image/'+index+'/tn-'+path;
}

function updatePortImg(img,descr,el){
    if (port_selected == "empty") {
	var port_img = document.getElementById('port_img');
	var port_descr = document.getElementById('port_descr');
	var port_el = document.getElementById(el);
	port_img.src = "upload/Image/tn-"+img;
	port_descr.innerHTML = descr;
	port_el.className = "names";
	port_selected = port_el;
    }
}

function changePort(img,descr,el){
    var port_img = document.getElementById('port_img');
    var port_descr = document.getElementById('port_descr');
    port_img.src = "upload/Image/tn-"+img;
    port_descr.innerHTML = descr;
    el.className = "names";
    port_selected.className = "pm";
    port_selected = el;
}

function view_lyrics(lyrics){
    var win = document.getElementById(lyrics);
	if (win){
	    win.style.visibility = "visible";
	    win.style.left = (document.body.clientWidth - 300)/2;
	    win.style.width = "400";
	    win.style.height = "300";
	    win.style.overflow = "auto";
	    win.style.background = "#333333";
	    win.style.top = document.body.scrollTop+200;
	}
}							

function close_lyrics(lyrics){
    var win = document.getElementById(lyrics);
	if (win){
	    win.style.visibility = "hidden";
	}
}