var win=null;
function get_ajax(url,capa,metodo){ 
	  var ajax=creaAjax();
	  var capaContenedora = document.getElementById(capa);
if (metodo.toUpperCase()=='GET'){
	ajax.open ('GET', url, true);
	ajax.onreadystatechange = function() {
        											 if (ajax.readyState==1)
													 	{
var load_="<br><center><br><img src=\"Cargandov.gif\" /><br><b>Espere , Cargando...</b></center><br>";
														capaContenedora.innerHTML=load_;
         									 			}
			        else if (ajax.readyState==4){ 
										        if(ajax.status==200){ 
									            
												document.getElementById(capa).innerHTML=ajax.responseText; 
															            }
										            else if(ajax.status==404)
            									     {
								                     capaContenedora.innerHTML = "<CENTER><H2><B>NO Existe Ps</B></H2>xD!!:O</CENTER>";
									                 }
									                 else
									                 {
								                     capaContenedora.innerHTML = "Error: ".ajax.status;
											          }
        									     } 
    										}
	 										ajax.setRequestHeader('Content-Type','application/x-www-form-urlencoded');
    										ajax.send(null);
   											return
								}
}

function creaAjax(){
  var objetoAjax=false;
	  try{objetoAjax = new ActiveXObject("Msxml2.XMLHTTP");}
	      catch(e){try {objetoAjax = new ActiveXObject("Microsoft.XMLHTTP");} 
	    catch (E){objetoAjax = false;}}
     if(!objetoAjax && typeof XMLHttpRequest!='undefined') {
  objetoAjax = new XMLHttpRequest();}  return objetoAjax;
}

function Videoajax(cat){
				var url='youtube.php?q='+cat;
				var capa='letrilla';
				var metodo='get';						
				get_ajax(url,capa,metodo);
				}
function Letraajax(cat){
				var url='letritas.php?letra='+cat;
				var capa='letrilla';
				var metodo='get';						
				get_ajax(url,capa,metodo);
				}	
function Agregarajax(cat){
				var url='add_music.php?buddy_musica='+cat;
				var capa='letrilla';
				var metodo='get';						
				get_ajax(url,capa,metodo);
				}	
function Descargaajax(cat){
				var url='mp3.php?url='+cat;
				var capa='letrilla';
				var metodo='get';						
				get_ajax(url,capa,metodo);
				}	
function Dedicaajax(cat){
				var url='dedicar.php?tema='+cat;
				var capa='letrilla';
				var metodo='get';						
				get_ajax(url,capa,metodo);
				}	
function Playajax(cat){
				var url='play.php?tema='+cat;
				var capa='letrilla';
				var metodo='get';						
				get_ajax(url,capa,metodo);
				}	
function popUp(URL) {
day = new Date();
var id = day.getTime();
var left = (screen.availWidth/2) - (400/2);
var top = (screen.availHeight/2) - (400/2);
eval("page" + id + " = window.open(URL, '" + id + "','toolbar=0,scrollbars=0,location=0,statusbar=0,menubar=0,resizable=0,width=290,height=355,left='+left+', top='+top);");
}