// JavaScript Document
var num = readCookie('admin_edit');
function readCookie(name)
{	
	var nameEQ = name + "=";
	var ca = document.cookie.split(';');
	for(var i=0;i < ca.length;i++)
	{
		var c = ca[i];
		while (c.charAt(0)==' ') c = c.substring(1,c.length);
		if (c.indexOf(nameEQ) == 0) return c.substring(nameEQ.length,c.length);
	}
	return null;
}

function formatText (tag) {
	var selectedText = document.selection.createRange().text;
	
	if (selectedText != "") {
		var newText = "<" + tag + ">" + selectedText + "</" + tag + ">";
		document.selection.createRange().text = newText;
	}
}
	
/*------------------------------------------------------------------------------------------------*/
function createRequestObject() {
    var ro;
    var browser = navigator.appName;
    if(browser == "Microsoft Internet Explorer"){
        ro = new ActiveXObject("Microsoft.XMLHTTP");
    }else{
        ro = new XMLHttpRequest();
    }
    return ro;
}

var http = createRequestObject();

var global_id_bloque;
function ver_bloque(id_bloque) {
	global_id_bloque=id_bloque;
	http.open('get', 'edit/info_bloque.php?id_bloque='+id_bloque);
    http.onreadystatechange = handleResponse;
    http.send(null);
}

function handleResponse() {
	id_bloque=global_id_bloque;
	var response = http.responseText;
	
	html_edit="<div id='area_"+id_bloque+"' style='display:none'>";
	html_edit+="<form method='post' action='edit/bloque_db.php' name='form_"+id_bloque+"'>";
	html_edit+="<input type='hidden' name='id_bloque' value="+id_bloque+">";
	html_edit+="<input type='hidden' name='url' value="+document.location+">";
	html_edit+="<input type=\"button\" value=\"bold\" onclick=\"formatText ('b');\" />";
    html_edit+="<input type=\"button\" value=\"italica\" onclick=\"formatText ('i');\" />";
    html_edit+="<input type=\"button\" value=\"subrayado\" onclick=\"formatText ('u');\" /><hr size=\"1px\">";
	html_edit+="<textarea style=\"width:100%;border:1px;font-family:verdana\" rows='5' name='info'>"+ response +"</textarea>";
	html_edit+="<input type='submit' value='Guardar Cambios'></form></div>";

	layer="bloque_"+id_bloque;
	if(num==1){
		//boton="<br><a href=\"javascript:mostrar("+id_bloque+")\"><img src='edit/edit.jpg' border='0'></a>";
		boton="onClick=mostrar("+id_bloque+")"
	}else{
		boton="";	
	}
	document.getElementById('bloque_'+id_bloque).innerHTML = html_edit +"<div id='txt_"+id_bloque+"' "+boton+">"+response+"</div>";		
}
function mostrar(id_bloque){
	var lista=document.getElementById('txt_'+id_bloque);
	lista.style.display="none";
	
	var lista=document.getElementById('area_'+id_bloque);
	lista.style.display="block";
}