var url1 = "enviaramigos.php?piada=";
var url2 = "mostraenviaramigos.php?piada=";
var url3 = "votar.php?piada=";
var url4 = "scripts/mostracat.php?categoria=";
var url8 = "scripts/mostramenu.php";

var inicio="";
var iniciocategoria="";
function handleHttpResponse() {   
if (http.readyState == 4) {
	  if(http.status==200) {
		  var results=http.responseText;
		  	if (inicio=="envia") {
			  document.getElementById("EnviaAmigos").style.height="300px";
			  document.getElementById("EnviaAmigos").style.marginTop="-150px";			  
			  document.getElementById('EnviaAmigos').innerHTML = results;
			} else if (inicio=="mostrar") {			  
			  document.getElementById('EnviaAmigos').innerHTML = results;
			  document.forms['formEnviaAmigos'].elements['email'].focus();
			} else if (inicio=="votar") {			  
			  document.getElementById('votar').innerHTML = results;
			} else if (inicio=="votar2") {			  
			  document.getElementById('votar2').innerHTML = results;
			} else if (inicio=="mostracat") {			  
			  document.getElementById('mostracat').innerHTML = results;
			} else if (inicio=="mostramenu") {			  
			  document.getElementById('mostramenu').innerHTML = results;
			} else if (inicio=="mostramenudetalhes") {			  
			  document.getElementById('mostramenu').innerHTML = results;
              mostracat(iniciocategoria);
			}
	  	}
	  }
}

function mostracat(categoria) {  
	inicio="mostracat";
	document.getElementById('mostracat').innerHTML='<img src="scripts/ajax-loader.gif" width="128" height="15" class="MostraCatDet" />';
	http.open("GET", url4 + escape(categoria), true); 
	http.onreadystatechange = handleHttpResponse;
	http.send(null);
}

function mostramenu(categoria) {  
	if (categoria==0){
		inicio="mostramenu";
    } else {
	    inicio="mostramenudetalhes";
        iniciocategoria=categoria;
    }
	document.getElementById('mostramenu').innerHTML='<p style="height:600px;"><img src="scripts/ajax-loadermenu.gif" width="16" height="11" vspace="15"/></p>';
	http.open("GET", url8, true); 
	http.onreadystatechange = handleHttpResponse;
	http.send(null);
}

function enviaamigos() {  
	inicio="envia";
	var piada = document.forms['formEnviaAmigos'].elements['piada'].value;
	var email = document.forms['formEnviaAmigos'].elements['email'].value;
	var nome = document.forms['formEnviaAmigos'].elements['nome'].value;
	var mensagem = document.forms['formEnviaAmigos'].elements['mensagem'].value;
	var emailamigo1 = document.forms['formEnviaAmigos'].elements['emailamigo1'].value;
	var emailamigo2 = document.forms['formEnviaAmigos'].elements['emailamigo2'].value;
	var emailamigo3 = document.forms['formEnviaAmigos'].elements['emailamigo3'].value;
	var emailamigo4 = document.forms['formEnviaAmigos'].elements['emailamigo4'].value;
	var emailamigo5 = document.forms['formEnviaAmigos'].elements['emailamigo5'].value;
	var emailamigo6 = document.forms['formEnviaAmigos'].elements['emailamigo6'].value;
	var emailamigo7 = document.forms['formEnviaAmigos'].elements['emailamigo7'].value;
	var emailamigo8 = document.forms['formEnviaAmigos'].elements['emailamigo8'].value;
	var emailamigo9 = document.forms['formEnviaAmigos'].elements['emailamigo9'].value;
	var emailamigo10 = document.forms['formEnviaAmigos'].elements['emailamigo10'].value;
	http.open("GET", url1 + escape(piada) + "&email=" + escape(email) + "&nome=" + escape(nome) + "&mensagem=" + escape(mensagem) + "&emailamigo1=" + escape(emailamigo1) + "&emailamigo2=" + escape(emailamigo2) + "&emailamigo3=" + escape(emailamigo3) + "&emailamigo4=" + escape(emailamigo4) + "&emailamigo5=" + escape(emailamigo5) + "&emailamigo6=" + escape(emailamigo6) + "&emailamigo7=" + escape(emailamigo7) + "&emailamigo8=" + escape(emailamigo8) + "&emailamigo9=" + escape(emailamigo9) + "&emailamigo10=" + escape(emailamigo10) + "&t="+((new Date()).valueOf()), true);
	http.onreadystatechange = handleHttpResponse;
	http.send(null);
}
function mostrarenviaamigos(piada) {  
	inicio="mostrar";
	var numpiada = piada;
	var emailrecebido = document.forms['famigo'+numpiada].elements['txtemailamigo'].value;
	http.open("GET", url2 + escape(numpiada) + "&emailamigo1=" + escape(emailrecebido) + "&t="+((new Date()).valueOf()), true);
	http.onreadystatechange = handleHttpResponse;
	http.send(null);
}
function votar(piada) {  
	inicio="votar";
	var numpiada = piada;
	document.getElementById('votar').innerHTML='<img src="imagens/votar.jpg" alt="" width="16" height="16" hspace="5" vspace="5" align="absmiddle" /><a href="javascript:votar();">ENVIANDO VOTO...&nbsp;&nbsp;</a>';
	http.open("GET", url3 + escape(numpiada) + "&t="+((new Date()).valueOf()), true);
	http.onreadystatechange = handleHttpResponse;
	http.send(null);
}
function votar2(piada) {  
	inicio="votar2";
	var numpiada = piada;
	document.getElementById('votar2').innerHTML='<img src="imagens/votar.jpg" alt="" width="16" height="16" hspace="5" vspace="5" align="absmiddle" /><a href="javascript:votar();">ENVIANDO VOTO...</a>&nbsp;&nbsp;';
	http.open("GET", url3 + escape(numpiada) + "&t="+((new Date()).valueOf()), true);
	http.onreadystatechange = handleHttpResponse;
	http.send(null);
}
function getHTTPObject() {
  var xmlhttp;
  if(window.XMLHttpRequest){
    xmlhttp = new XMLHttpRequest();
  }
  else if (window.ActiveXObject){
    xmlhttp=new ActiveXObject("Microsoft.XMLHTTP");
    if (!xmlhttp){
        xmlhttp=new ActiveXObject("Msxml2.XMLHTTP");
    }
}
  return xmlhttp;
}
var http = getHTTPObject();
function initStatLyr() {
	var statLyr = new Glider("glideDiv",595,30,null,null,300,-1);
  statLyr.show();
}
function grayOut(vis, options, bg)   
     {  
     var optionsoptions = options || {};    
     var zindex = options.zindex || 55;   
     var opacity = options.opacity || 50;  
     var opaque = (opacity / 100);   
     var bgcolor = options.bgcolor || bg;   
     var dark=document.getElementById('darkenScreenObject');  
    if (!dark)   
    {  
     var tbody = document.getElementsByTagName("body")[0];  
     var tnode = document.createElement('div');             
     tnode.style.position='absolute';  
     tnode.style.top='0px';  
     tnode.style.left='0px';     
     tnode.style.overflow='hidden';  
     tnode.style.display='none';  
     tnode.id='darkenScreenObject';  
     tbody.appendChild(tnode);                              
     dark=document.getElementById('darkenScreenObject');    
     }    
    if (vis)  
     {   
	 novotexto='TEXTO';
	 document.getElementById("EnviaAmigos").style.height="515px";
	 document.getElementById("EnviaAmigos").style.marginTop="-265px";
	 document.getElementById("EnviaAmigos").style.visibility="visible";
	 document.getElementById('EnviaAmigos').innerHTML='';
     var pageWidth='100%';   
     var pageHeight='300%';   
     dark.style.opacity=opaque;   
     dark.style.MozOpacity=opaque;   
	 dark.style.filter='alpha(opacity='+opacity+')';
     dark.style.zIndex=zindex;  
     dark.style.backgroundColor=bgcolor;   
     dark.style.width= pageWidth;    
     dark.style.height= pageHeight;   
     dark.style.display='block';      
       }  
     else  
     {     
	   document.getElementById("EnviaAmigos").style.visibility="hidden";
      dark.style.display='none';   
     }  
 }  
function MM_validateForm() {
  if (document.getElementById){
    var i,p,q,nm,test,num,min,max,errors='',args=MM_validateForm.arguments;
    for (i=0; i<(args.length-2); i+=3) { test=args[i+2]; val=document.getElementById(args[i]);
      if (val) { nm=val.name; if ((val=val.value)!="") {
        if (test.indexOf('isEmail')!=-1) { p=val.indexOf('@');
          if (p<1 || p==(val.length-1)) errors+='- Preencha um endereço de email válido na caixa '+nm+'.\n';
        } else if (test!='R') { num = parseFloat(val);
          if (isNaN(val)) errors+='- '+nm+' must contain a number.\n';
          if (test.indexOf('inRange') != -1) { p=test.indexOf(':');
            min=test.substring(8,p); max=test.substring(p+1);
      } } } else if (test.charAt(0) == 'R') errors += '- É necessário preencher a caixa '+nm+'\n'; }
    } if (errors) alert('Complete o formulário:\n'+errors);
    document.MM_returnValue = (errors == '');
} }

function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}
MM_preloadImages('imagens/btnAnterior_over.png','imagens/btnSeguinte_over.png');