//NOTE: THIS SCRIPT NEEDS MORE DOCUMENTATION, EACH FUNCTION NEEDS A SUMMARY

//This file contains all javascript functions that are not generated automatically in the PHP code

img_on = new Array();
img_off = new Array();
img_name = new Array();
img_header = new Image(); img_header.src = "/images/mainpic.gif";


function handleOver(arrayNum) { 
 if (document.images) {
 	n = arrayNum + 97;

 	document[img_name[arrayNum]].src=img_on[arrayNum].src;
 }
}

function handleOut(arrayNum) {
 if (document.images) {
 	
 	document[img_name[arrayNum]].src=img_off[arrayNum].src;
 }
}

function createXmlObj(callback) {
  var XmlObj;
  if (window.XMLHttpRequest) {
  		XmlObj = new XMLHttpRequest();
  } else if (window.ActiveXObject) { // IE
            try {
                XmlObj = new ActiveXObject("Msxml2.XMLHTTP");
            } catch (e) {
                try {
                    XmlObj = new ActiveXObject("Microsoft.XMLHTTP");
                } catch (e) {}
            }
  }
  
  if (callback) {
    XmlObj.onreadystatechange = handleResponse;
  }
  return XmlObj;
}




function changeDiv(divId, divText) {
	var div = document.getElementById(divId);
	if(div) {
		div.innerHTML = divText;
	}
}


function handleResponse() {
    
	if(http.readyState == 4){
        if(http.status == 200) {
			var response = http.responseXML;
	        
//	       alert(response);
		
	        tags = response.getElementsByTagName('divAlbumArt');
	          //alert(tags.length);  
	            for(n = 0; n < tags.length; n++) {
	            	
	            	document.getElementById('divAlbumArt' + n).innerHTML = "<img src = " + tags[n].firstChild.data + ">";
	            }
//	            document.getElementById(update[0]).innerHTML = update[1];
//	        	document.getElementById('divAlbumArt1').innerHTML = update[1];
        }    
    }
}

function sendReqAlbumArt(artist,album,size,count) {
    //alert('albumArt.php?artist='+artist+'&album='+album+'&size='+size+'&count='+i);
	http = createXmlObj(true);
	url = '/scripts/albumArt.php?';
	for(n = 0; n < artist.length; n++) {
		url = url + 'artist' + n + '=' + artist[n] + '&album' + n + '=' + album[n] + '&';	
	}
	url = url + 'size=' + size + '&count=' + count;
	//alert(url);
	http.open('get', url);
    //http.open('get','http://www.lyricsfreedom.com/testart.php');
    //http.onreadystatechange = handleResponse;
    http.send(null);
}

			
function fontPlus(){
    var obj= document.getElementById("songtext");
	obj.style.fontSize = "14pt";
    
}


function loadComplete(){
	var obj= document.getElementById("loadingBox");
	obj.innerHTML = "";
	
}
function fontMinus(){
	var obj= document.getElementById("songtext");
	obj.style.fontSize = "12pt";
}

function print()
{ 
  var disp_setting="toolbar=yes,location=no,directories=yes,menubar=yes, scrollbars=yes,width=650, height=600, left=100, top=25"; 
  var contentOne = document.getElementById("printBoxOne").innerHTML; 
  var contentTwo = document.getElementById("songtext").innerHTML;
  var docprint=window.open("","",disp_setting); 
   docprint.document.open(); 
   docprint.document.write('<html><head><title>Lyrics Freedom Print</title>'); 
   docprint.document.write('</head><body onLoad="self.print()">');          
   docprint.document.write("Lyrics Courtesy of: http://www.lyricsfreedom.com/<br><br>");
   docprint.document.write(contentOne + "<br><br>");
   docprint.document.write(contentTwo);          
   docprint.document.write('</body></html>'); 
   docprint.document.close(); 
   docprint.focus(); 
}

function submitRating() {
	var forms = document.forms;
	var rating = 3;
	for(x = 0; x < forms.length; x++) {
		if (forms[x].name == "ratingForm") {
			if(forms[x].rating) {
				for(n = 0; n < forms[x].rating.length; n++) {
					
					if(forms[x].rating[n].checked == 1) {
						rating = (parseInt(forms[x].rating[n].value) + 1);
					}
				}
			}
			
		}
	}
	var divText = '<img src = "/images/ratesong.gif">' +
			'<a href = "javascript:unrate()"><img src = "/images/xclose.gif" id = "closebutton"></a>' +
			'<br><br>' +
			'<center><b>' +
			'Thanks for rating this song!<br><br>' +
			'<a href = "javascript:unrate()"><img src = "/images/closebutton.gif"></a><br><br>' +
			'</b></center>';
			
	
	
	
	changeDiv("insideratebox2", divText);
	
	
	
	
}

function rate() {
	var obj= document.getElementById("ratebox");
	obj.style.left = "350px";
}

function unrate() {
	var obj= document.getElementById("ratebox");
	obj.style.left = "-200000px";
}

function rate2()
{ 
  var disp_setting="titlebar=no,toolbar=no,location=no,directories=no,menubar=no, scrollbars=no,width=300, height=200, left=200, top=100"; 
  var artistTitle = document.getElementById("artistTitle").innerHTML; 
  var albumTitle = document.getElementById("albumTitle").innerHTML;
  var songTitle = document.getElementById("songTitle").innerHTML;
  var docprint=window.open("","",disp_setting); 
   docprint.document.open(); 
   docprint.document.write('<html><title>Rate Song</title>'); 
   docprint.document.write('</head><body style = \"background-image: url(\'/images/linebg.gif\')">');          
   docprint.document.write("Rate " + songTitle + "<br>");
   docprint.document.write("<a href = \"javascript:close()\">Close</a>");
   docprint.document.write('</body></html>'); 
   docprint.document.close(); 
   docprint.focus(); 
}

//BEGIN THIRD PARTY FUNCTIONS:

function validateFields() {
var frmEl = document.getElementById('cForm');
var posName = document.getElementById('posName');
var posEmail = document.getElementById('posEmail');
var posRegard = document.getElementById('posRegard');
var posText = document.getElementById('posText');
var strCC = document.getElementById('selfCC');
var whiteSpace = /^[\s]+$/;
	if ( posText.value == '' || whiteSpace.test(posText.value) ) {
		alert("You're trying to send an Empty Email. Please type something and then get on your way.");
	}
	else if ( posEmail.value == '' && strCC.checked == true ) {
		alert("Why are you trying to CC yourself without an email?");
		alert("Just for that...");
		alert("I\'m Clearing all the fields!");
		frmEl.reset();
		alert("There. Satisified.");
		alert("Now start over!");
		posName.focus();
	}
	else {
		sendPosEmail();
	}
}
function sendPosEmail () {
	var success = document.getElementById('emailSuccess');
	var posName = document.getElementById('posName');
	var posEmail = document.getElementById('posEmail');
	var posRegard = document.getElementById('posRegard');
	var posText = document.getElementById('posText');
	var strCC = document.getElementById('selfCC').value;
	var page = "scripts/xmlHttpRequest.php?contact=true&xml=true";
	
	showContactTimer(); // quickly begin the load bar
	success.style.display = 'none'; // hide the success bar (incase this is a multi-email
	
	// convert (&, +, =) to string equivs. Needed so URL encoded POST won't choke.
	var str1 = posName.value;
	str1 = str1.replace(/&/g,"**am**");
	str1 = str1.replace(/=/g,"**eq**");
	str1 = str1.replace(/\+/g,"**pl**");
	var str2 = posEmail.value;
	str2 = str2.replace(/&/g,"**am**");
	str2 = str2.replace(/=/g,"**eq**");
	str2 = str2.replace(/\+/g,"**pl**");
	var str3 = posRegard.value;
	str3 = str3.replace(/&/g,"**am**");
	str3 = str3.replace(/=/g,"**eq**");
	str3 = str3.replace(/\+/g,"**pl**");
	var str4 = posText.value;
	str4 = str4.replace(/&/g,"**am**");
	str4 = str4.replace(/=/g,"**eq**");
	str4 = str4.replace(/\+/g,"**pl**");
	
	var stuff = "selfCC="+strCC+"&posName="+str1+"&posEmail="+str2+"&posRegard="+str3+"&posText="+str4;
	loadXMLPosDoc(page,stuff)
}
function showContactTimer () {
	var loader = document.getElementById('loadBar');
	loader.style.display = 'block';
	sentTimer = setTimeout("hideContactTimer()",6000);
}

function hideContactTimer () {
	var loader = document.getElementById('loadBar');
	var success = document.getElementById('emailSuccess');
	var fieldArea = document.getElementById('contactFormArea');
	var inputs = fieldArea.getElementsByTagName('input');
	var inputsLen = inputs.length;
	var tAreas = fieldArea.getElementsByTagName('textarea');
	var tAreasLen = tAreas.length;
	// Hide the load bar alas! Done Loading
	loader.style.display = "none";
	success.style.display = "block";
	success.innerHTML = '<strong style="color:green;">'+grabPosXML("confirmation")+'</strong>';
	// Now Hijack the form elements
	for ( i=0;i<inputsLen;i++ ) {
		if ( inputs[i].getAttribute('type') == 'text' ) {
			inputs[i].value = '';
		}
	}
	for ( j=0;j<tAreasLen;j++ ) {
		tAreas[j].value = '';
	}
}

function ajaxContact() {
var frmEl = document.getElementById('cForm');
addEvent(frmEl, 'submit', validateFields, false);
frmEl.onsubmit = function() { return false; }
}
addEvent(window, 'load',ajaxContact, false);

function addEvent(elm, evType, fn, useCapture) {
	if (elm.addEventListener) { 
	elm.addEventListener(evType, fn, useCapture); 
	return true; 
	}
	else if (elm.attachEvent) { 
	var r = elm.attachEvent('on' + evType, fn); 
	EventCache.add(elm, evType, fn);
	return r; 
	}
	else {
	elm['on' + evType] = fn;
	}
}
function getEventSrc(e) {
	if (!e) e = window.event;

	if (e.originalTarget)
	return e.originalTarget;
	else if (e.srcElement)
	return e.srcElement;
}
function addLoadEvent(func) {
var oldonload = window.onload;
	if (typeof window.onload != 'function') {
	window.onload = func;
	} else {
	window.onload = 
		function() {
		oldonload();
		func();
		}
	}
}
var EventCache = function(){
	var listEvents = [];
	return {
		listEvents : listEvents,
	
		add : function(node, sEventName, fHandler, bCapture){
			listEvents.push(arguments);
		},
	
		flush : function(){
			var i, item;
			for(i = listEvents.length - 1; i >= 0; i = i - 1){
				item = listEvents[i];
				
				if(item[0].removeEventListener){
					item[0].removeEventListener(item[1], item[2], item[3]);
				};
				
				/* From this point on we need the event names to be prefixed with 'on" */
				if(item[1].substring(0, 2) != "on"){
					item[1] = "on" + item[1];
				};
				
				if(item[0].detachEvent){
					item[0].detachEvent(item[1], item[2]);
				};
				
				item[0][item[1]] = null;
			};
		}
	};
}();


addEvent(window,'unload',EventCache.flush, false);

var pos; // variable for posting information
function loadXMLPosDoc(url,posData) {
    // branch for native XMLHttpRequest object
    if (window.XMLHttpRequest) {
        pos = new XMLHttpRequest();
        pos.onreadystatechange = processPosChange;
        pos.open("POST", url, false);
		pos.setRequestHeader("Content-Type", "application/x-www-form-urlencoded");
        pos.send(posData);
    // branch for IE/Windows ActiveX version
    } else if (window.ActiveXObject) {
        pos = new ActiveXObject("Microsoft.XMLHTTP");
        if (pos) {
            pos.onreadystatechange = processPosChange;
            pos.open("POST", url, false);
			pos.setRequestHeader("Content-Type", "application/x-www-form-urlencoded");
            pos.send(posData);
        }
    }
}

function grabPosXML (tagName) {
return pos.responseXML.documentElement.getElementsByTagName(tagName)[0].childNodes[0].nodeValue;
}

function processPosChange() {
    // page loaded "complete"
    if (pos.readyState == 4) {
        // page is "OK"
        if (pos.status == 200) {
			if ( grabPosXML("posStatus") == 'NOTOK' ) { 
				alert('There were problems Sending Email. Please check back in a couple minutes');
			}
		}
	}
}

