var window_force_focus = {
			init : function() {
				var opener = window.opener;
				var child_window = self;
				if (opener.addEventListener) {
					opener.addEventListener("focus", function() {
						setTimeout(function(){
							if (!opener || !child_window) return;
							if (!opener.blur || !child_window.focus) return;
							opener.blur();
							child_window.focus();
						}, 0);
					}, false)
				} else if (opener.attachEvent) {
					opener.attachEvent("onfocus", function() {
						opener.blur();
						child_window.focus();
					})
				}
			}
		}

 	
        // Habrá una ventana con el reproductor de com radio
	function showPlayer( url ) {
	        var args = "width=400,height=90,location=no ,menubar=no , left=100, top = 100,resizable=no, scrollbars =no,titlebar=no, toolbar=no";
	        ventanaPopup = window.open("/proyecto/fragmentosJSP/playerMp3.jsp?mp3File=" + url, "REPRODUCTOR", args); 
	        ventanaPopup.focus();
	}

 function showPlayer( url , idContenido ) {			
	        var args = "width=400px,height=290px,location=no ,menubar=no , left=100, top = 100,resizable=no, scrollbars =no,titlebar=no, toolbar=no";
	        ventanaPopup = window.open("/proyecto/fragmentosJSP/playerMp3.jsp?mp3File=" + url + "&idObjeto=" + idContenido , "REPRODUCTOR", args); 
	        ventanaPopup.focus();
	}