function click_en_enlace (id) {
	
	elto = document.getElementById(id);
	elto.className="enlace_activo";
}

function url_actual()
{
	return document.location.href;
}

function cambiar_menu(activo){
	document.getElementById(activo).className = 'elemento_menu_activo';
}

function verOcultar(id) {
	
	document.getElementById('menu_gen_menu').style.display = "none";
	document.getElementById('menu_sci_menu').style.display = "none";
	document.getElementById('menu_for_menu').style.display = "none";
	document.getElementById('menu_exh_menu').style.display = "none";
	document.getElementById('menu_hou_menu').style.display = "none";
	document.getElementById('menu_cont_menu').style.display = "none";
	
	if (document.getElementById(id+'_menu')){
		elto = document.getElementById(id+'_menu');
		if(elto.style.display == "none")	elto.style.display = "";
		else								elto.style.display = "none";
	}
}

function verOcultar_old(id) {
	
	document.getElementById('menu_gen_menu').style.display = "none";
	document.getElementById('menu_com_menu').style.display = "none";
	document.getElementById('menu_sci_menu').style.display = "none";
	document.getElementById('menu_spe_menu').style.display = "none";
	document.getElementById('menu_reg_menu').style.display = "none";
	document.getElementById('menu_abs_menu').style.display = "none";
	document.getElementById('menu_for_menu').style.display = "none";
	document.getElementById('menu_exh_menu').style.display = "none";
	document.getElementById('menu_hou_menu').style.display = "none";
	document.getElementById('menu_cont_menu').style.display = "none";
	
	if (document.getElementById(id+'_menu')){
		elto = document.getElementById(id+'_menu');
		if(elto.style.display == "none")	elto.style.display = "";
		else								elto.style.display = "none";
	}
}

function expandcollapse (postid) {
	whichpost = document.getElementById(postid);
	if(whichpost.className=="postshown")
	{
		whichpost.className="posthidden";
	}
	else
	{
		whichpost.className="postshown";
	}
}