function valida(){
	
	if ( document.theForm.nome.value == "" ) {
		alert("Por favor, preencher o campo'Nome'.");
		document.theForm.nome.focus();
		return false;
	}
	
	if (document.theForm.mail.value == "" ) {
		alert("Por favor preencher o campo 'E-mail'.");
		document.theForm.mail.focus();
		return false;
	
	}else{
	
		if ( document.theForm.mail.value.indexOf("@") == -1 || document.theForm.mail.value.indexOf(".") == -1 ) {
			alert("Por favor preencher corretamente o campo 'E-mail'.");
			document.theForm.mail.focus();
			return false;
		}   
		if ( document.theForm.mens.value == "" ) {
			alert("Por favor, preencher o campo 'Mensagem'.");
			document.theForm.mens.focus();
			return false;
		} 
	}
   
	return true;
}

function port(img,ovo){
	document.fig.src=img;
	
}


function abrePop(){
	var posicao_horizontal = (screen.width-250)/2;
	var posicao_vertical = (screen.height-174)/2;
	window.open('pop.htm','mapa','width=250 , height=174,top='+ posicao_vertical +',left='+ posicao_horizontal +'scrollbars=no');
}
function abrePop1(){
	var posicao_horizontal = (screen.width-250)/2;
	var posicao_vertical = (screen.height-510)/2;
	window.open('port1.htm','mapa','width=250 , height=510,top='+ posicao_vertical +',left='+ posicao_horizontal +'scrollbars=no');
}
function abrePop2(){
	var posicao_horizontal = (screen.width-250)/2;
	var posicao_vertical = (screen.height-250)/2;
	window.open('port2.htm','mapa','width=250 , height=250,top='+ posicao_vertical +',left='+ posicao_horizontal +'scrollbars=no');
}
function abrePop3(){
	var posicao_horizontal = (screen.width-250)/2;
	var posicao_vertical = (screen.height-250)/2;
	window.open('port3.htm','mapa','width=250 , height=250,top='+ posicao_vertical +',left='+ posicao_horizontal +'scrollbars=no');
}



var xmlHttp, idDiv, qtdeEnd = 1;



/*function volta(){
	open.window="index.htm";
	}*/

function trocaCampo(){	
	idDiv="quem";
	var url="job.html";
	show ( url );

}
function trocaCampo2(){	
	idDiv="quem";
	var url="home.html";
	show ( url );

}
function trocaCampo3(){	
	idDiv="quem";
	var url="contato.php";
	show ( url );

}

function trocaCampo4(){	
	idDiv="meio";
	var url="portifolio.htm";
	show ( url );

}


function show( url ){
		//alert(url);
   xmlHttp=GetXmlHttpObject( stateChanged );
   xmlHttp.open("GET", url , true);
   xmlHttp.send(null);
	
}

function stateChanged() { 

	if (xmlHttp.readyState==4 || xmlHttp.readyState=="complete"){ 
		if( xmlHttp.responseText != "" ){
			document.getElementById(idDiv).innerHTML =xmlHttp.responseText;	

			//setTimeout("jsMudarHome()",500);

		}else{
			var url="validaLogin.php?rnd=" + Math.random();
			idDiv	= "conteudo";
			show( url );
			
		}
		
	} 
	
} 

//


function show2( url ){
		//alert(url);
   xmlHttp=GetXmlHttpObject( stateChanged2 );
   xmlHttp.open("GET", url , true);
   xmlHttp.send(null);
	
}

function stateChanged2() { 

	if (xmlHttp.readyState==4 || xmlHttp.readyState=="complete"){ 
		if( xmlHttp.responseText != "" ){
			document.getElementById(idDiv).innerHTML += xmlHttp.responseText;	

			//setTimeout("jsMudarHome()",500);

		}else{
			var url="validaLogin.php?rnd=" + Math.random();
			idDiv	= "conteudo";
			show( url );
			
		}
		
	} 
	
} 


//

function ImgGrdChanged() 
{ 
if (xmlHttp.readyState==4 || xmlHttp.readyState=="complete")
{ 
document.getElementById("imgGrande").innerHTML=xmlHttp.responseText;
} 
} 


function GetXmlHttpObject(handler)
{ 
var objXmlHttp=null

if (navigator.userAgent.indexOf("Opera")>=0)
{
alert("This example doesn't work in Opera") 
return 
}
if (navigator.userAgent.indexOf("MSIE")>=0)
{ 
var strName="Msxml2.XMLHTTP"
if (navigator.appVersion.indexOf("MSIE 5.5")>=0)
{
strName="Microsoft.XMLHTTP"
} 
try
{ 
objXmlHttp=new ActiveXObject(strName)
objXmlHttp.onreadystatechange=handler 
return objXmlHttp
} 
catch(e)
{ 
alert("Error. Scripting for ActiveX might be disabled") 
return 
} 
} 
if (navigator.userAgent.indexOf("Mozilla")>=0)
{
objXmlHttp=new XMLHttpRequest()
objXmlHttp.onload=handler
objXmlHttp.onerror=handler 
return objXmlHttp
}
} 

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_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_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_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];}
}