var xmlhttp = getXmlHttpRequest();
    
    function getXmlHttpRequest() {
        if (window.XMLHttpRequest) {
            return new XMLHttpRequest();
        } else if (window.ActiveXObject) {
            return new ActiveXObject("Microsoft.XMLHTTP");
        }
    }
///////////////////////////////////////////
function showExtra(url,elemento){
        document.getElementById("show_extra").innerHTML = '<div align="center" style="padding:10px;"><img src="img/layout/ajax_loader.gif" width="24" height="24" border="0" /></div>';
		switch(elemento){
			case "sinopse":
				document.getElementById("sinopse").innerHTML = '<img src="img/guia_sinopse_sel.gif" width="48" height="21" border="0" />';
				document.getElementById("sumario").innerHTML = '<img src="img/guia_sumario.gif" width="50" height="21" border="0" />';
				document.getElementById("autor").innerHTML = '<img src="img/guia_autor.gif" width="75" height="21" border="0" />';
				document.getElementById("capitulo").innerHTML = '<img src="img/guia_capitulo.gif" width="106" height="21" border="0" />';
				break;
			case "sumario":
				document.getElementById("sinopse").innerHTML = '<img src="img/guia_sinopse.gif" width="48" height="21" border="0" />';
				document.getElementById("sumario").innerHTML = '<img src="img/guia_sumario_sel.gif" width="50" height="21" border="0" />';
				document.getElementById("autor").innerHTML = '<img src="img/guia_autor.gif" width="75" height="21" border="0" />';
				document.getElementById("capitulo").innerHTML = '<img src="img/guia_capitulo.gif" width="106" height="21" border="0" />';
				break;
			case "autor":
				document.getElementById("sinopse").innerHTML = '<img src="img/guia_sinopse.gif" width="48" height="21" border="0" />';
				document.getElementById("sumario").innerHTML = '<img src="img/guia_sumario.gif" width="50" height="21" border="0" />';
				document.getElementById("autor").innerHTML = '<img src="img/guia_autor_sel.gif" width="75" height="21" border="0" />';
				document.getElementById("capitulo").innerHTML = '<img src="img/guia_capitulo.gif" width="106" height="21" border="0" />';
				break;
			default:
				document.getElementById("sinopse").innerHTML = '<img src="img/guia_sinopse.gif" width="48" height="21" border="0" />';
				document.getElementById("sumario").innerHTML = '<img src="img/guia_sumario.gif" width="50" height="21" border="0" />';
				document.getElementById("autor").innerHTML = '<img src="img/guia_autor.gif" width="75" height="21" border="0" />';
				document.getElementById("capitulo").innerHTML = '<img src="img/guia_capitulo.gif" width="106" height="21" border="0" />';
				break;
		}
		
        xmlhttp.open("GET", url, true);
        xmlhttp.onreadystatechange = function(){
            if (xmlhttp.readyState==4){
                 if (xmlhttp.status == 200) {
					//Exibe o texto no div conteúdo
            		document.getElementById("show_extra").innerHTML = xmlhttp.responseText;
        		} else {
            		alert("ERRO:\n" + xmlhttp.statusText);
        		}    
            }
        }    
        xmlhttp.send(null);
}
/////////////////////////////////////////////////////////	
function showTextoCompleto(url,elem){
	document.getElementById("resumoForum"+elem).innerHTML = '<div align="center" style="padding:7px 0px 10px 0px;"><img src="img/layout/ajax_loader.gif" width="24" height="24" border="0" /></div>';
	
	xmlhttp.open("GET", url, true);
	xmlhttp.onreadystatechange = function(){
		if (xmlhttp.readyState==4){
			 if(xmlhttp.status == 200) {
				//Exibe o texto no div conteúdo
				document.getElementById("resumoForum"+elem).innerHTML = xmlhttp.responseText;
			} else {
				alert("ERRO:\n" + xmlhttp.statusText);
			}    
		}
	}    
	xmlhttp.send(null);
}