function limparPadrao(campo) {
    if (campo.value == campo.defaultValue) {
        campo.value = "";
    }
}

function escreverPadrao(campo) {
    if (campo.value == "") {
        campo.value = campo.defaultValue;
    }
}

function redirectBlog(){

    var select = document.getElementById('blog');

    if(select.value != ""){

        location = select.value+"";

    }

}

function redirectColumnist(){

    var select = document.getElementById('lista-colunistas');

    if(select.value != ""){

        location = select.value;

    }

}

/**
 * Mostra objeto 'carregando' em requisicoes xajax
 * @param {Object} obj
 */
function showRequestProgress(obj) {

	xajax.callback.global.onRequest = function() {
		xajax.$(obj).style.display = 'inline';
	}
    xajax.callback.global.beforeResponseProcessing = function() {
		xajax.$(obj).style.display = 'none';
	}
}

function favoritar(){

    var url      = "http://www.direitoce.com";
    var title    = "Direitoce - Jornalismo & Informações Jurídicas";

    if (window.sidebar){

        window.sidebar.addPanel(title, url, "");

    } else if(window.opera && window.print) {

        var mbm = document.createElement('a');

        mbm.setAttribute('rel', 'sidebar');
        mbm.setAttribute('href', url);
        mbm.setAttribute('title', title);
        mbm.click();

    } else if(document.all){

        window.external.AddFavorite(url, title);

    }

}

function SetarPaginaInicial(strURL) {
    var obj            = document.getElementById("link");
    obj.style.behavior = "url(#default#homepage)";
    obj.setHomePage(strURL);
}