/* Ajax Function Document */

var defaultText;
var xmlHttp

function backtodefault() {
	document.getElementById("result").innerHTML=defaultText;
}

function showpingyin(id) {
	defaultText = document.getElementById("result").innerHTML;
	if (id.length==0) { 
	  document.getElementById("result").innerHTML="";
	  return;
	}
	xmlHttp=GetXmlHttpObject();
	if (xmlHttp==null) {
	  alert ("Your browser does not support AJAX!");
	  return;
	}
	
	var url="library/filtering.php";
	url=url+"?id="+id;
	//url=url+"&type="+type;
	xmlHttp.open("GET",url,true);
	xmlHttp.onreadystatechange=stateChanged;
	xmlHttp.send(null);
}

function changefilter(id) {
	//var id = document.filter.b.checked; //Basic search

	if (id.length==0) { 
	  document.getElementById("mainsearch").innerHTML="";
	  return;
	}
	xmlHttp=GetXmlHttpObject();
	if (xmlHttp==null) {
	  alert ("Your browser does not support AJAX!");
	  return;
	}
	
	var url="library/searching.php";
	url=url+"?id="+id;
	//url=url+"&type="+type;
	xmlHttp.open("GET",url,true);
	xmlHttp.onreadystatechange=filterChanged;
	xmlHttp.send(null);
} 

function stateChanged() { 
 	if (xmlHttp.readyState==4) { 
		document.getElementById("result").innerHTML=xmlHttp.responseText;
	}
}

function filterChanged() { 
 	if (xmlHttp.readyState==4) { 
		document.getElementById("mainsearch").innerHTML=xmlHttp.responseText;
	}
}

function GetXmlHttpObject() {
	var xmlHttp=null;
 	try {
	  	// Firefox, Opera 8.0+, Safari
	  	xmlHttp=new XMLHttpRequest();
	}
	catch (e) {
	  // Internet Explorer
	  	try {
			xmlHttp=new ActiveXObject("Msxml2.XMLHTTP");
		}
		catch (e) {
			xmlHttp=new ActiveXObject("Microsoft.XMLHTTP");
		}
	}
	return xmlHttp;
}

function randomimg() {
	var randomImage;
	var imgMale = ["images/male1.jpg", "images/male2.jpg", "images/male3.jpg", "images/male4.jpg"];
	var imgFemale = ["images/female1.jpg", "images/female2.jpg", "images/female3.jpg", "images/female4.jpg"];
	var imgBand = ["images/band1.jpg", "images/band2.jpg", "images/band3.jpg", "images/band4.jpg"];
	randomImage = Math.floor(Math.random() * 4);
	document.getElementById("male").src=imgMale[randomImage];
	document.getElementById("female").src=imgFemale[randomImage];
	document.getElementById("band").src=imgBand[randomImage];
}

function searchevent() {
	var keyword = document.mainfilter.s.value;
	
	if (keyword=="enter your keyword here") 
		document.mainfilter.s.value = "";
}

function pop_window(url) {
  var Browser = window.open(url,"Browser", "width=550,height=500,resizable=no,scrollbars=yes,status=yes");
}

function change(id) {
     ID = document.getElementById(id);
    
     if(ID.style.display == "")
          ID.style.display = "none";
     else
          ID.style.display = "";
}