function ToggleButtons() {
    var imgTodo = $("[id$='_imgTodo']");
    if (imgTodo != null) {
        imgTodo.attr("src", "/images/web/btn_emisiones_todo.png");
    }
    
    var imgVideos = $("[id$='_imgVideos']");  
    if (imgVideos != null) {
        imgVideos.attr("src", "/images/web/btn_emisiones_video.png");
    }

    var imgAudio = $("[id$='_imgAudio']");  
    if (imgAudio != null) {
        imgAudio.attr("src", "/images/web/btn_emisiones_audio.png");
    }

    var imgFotos = $("[id$='_imgFotos']");  
    if (imgFotos != null) {
        imgFotos.attr("src", "/images/web/btn_emisiones_fotos.png");
    }

    var imgPDF = $("[id$='_imgPDF']");  
    if (imgPDF != null) {
        imgPDF.attr("src", "/images/web/btn_emisiones_pdf.png");
    }
}

$(document).ready(function() {
    $("[id$='_imgTodo']").click(function() {
        ToggleButtons();
        $(this).attr("src", "/images/web/btn_emisiones_todo_checked.png");
    });

    $("[id$='_imgVideos']").click(function() {
        ToggleButtons();
        $(this).attr("src", "/images/web/btn_emisiones_video_checked.png");
    });

    $("[id$='_imgAudio']").click(function() {
        ToggleButtons();
        $(this).attr("src", "/images/web/btn_emisiones_audio_checked.png");
    });

    $("[id$='_imgFotos']").click(function() {
        ToggleButtons();
        $(this).attr("src", "/images/web/btn_emisiones_fotos_checked.png");
    });

    $("[id$='_imgPDF']").click(function() {
        ToggleButtons();
        $(this).attr("src", "/images/web/btn_emisiones_pdf_checked.png");
    });
});