function ajax(pagina,d,envio)

{

	var body = ""; 

	var xmlhttp;		

	if (window.XMLHttpRequest) { 

		xmlhttp = new XMLHttpRequest(); 

	} else if (window.ActiveXObject) { 

		xmlhttp = new ActiveXObject("Microsoft.XMLHTTP"); 

	} else { 

		alert("Seu navegador não suporta XMLHttpRequest."); 

		return; 

	} 

	xmlhttp.open("POST", pagina, true); 

	xmlhttp.setRequestHeader("Content-Type", "application/x-www-form-urlencoded; charset=UTF-8"); 

	xmlhttp.setRequestHeader("Cache-Control", "no-store, no-cache, must-revalidate"); 

	xmlhttp.setRequestHeader("Cache-Control", "post-check=0, pre-check=0"); 

	xmlhttp.setRequestHeader("Pragma", "no-cache"); 

	xmlhttp.onreadystatechange = function processReqChange() { 

		if (xmlhttp.readyState == 4) { 

		   if (xmlhttp.status == 200) { 

			   document.getElementById(d).innerHTML = xmlhttp.responseText;			   

		  } else { 

			  //alert("Problema ao carregar o arquivo.");			  

		  } 

		} 

	} 		    

	xmlhttp.send(envio);

}



function validaTecla(obj)

{

 	var tecla;

 	if(navigator.appName.indexOf("Netscape")!= -1)

 		 tecla=event.which;

 	else

 		 tecla=event.keyCode;

 	bOk=false

 	switch (tecla)

 	{

  		case 8:

   			bOk=true

   			break;

 	}

 	return bOk

}

function limite(obj,n)

{

	return (obj.value.length<n)

}

function maximizada(endereco)

{

	window.open(endereco,'janela','width='+(window.screen.width-10)+',height='+(window.screen.height-56)+',top=0,left=0,menubar=no,toolbar=no,status=no,scrollbars=no,resizable=no');

}

function maximizadabarra(endereco,nome)

{

	window.open(endereco,nome,'width='+(window.screen.width-10)+',height='+(window.screen.height-56)+',top=0,left=0,menubar=no,toolbar=no,status=no,scrollbars=yes,resizable=no');

}

function janela(pagina,nome,largura,altura)

{

	window.open(pagina,nome,"left="+(window.screen.width-largura)/2+",top="+(window.screen.height-altura)/2+",width="+largura+",height="+altura+",resizable=no,scrollbars=no")	

}

function janelabarra(pagina,nome,largura,altura)

{

	window.open(pagina,nome,"left="+(window.screen.width-largura)/2+",top="+(((window.screen.height-altura)/2)+17)+",width="+largura+",height="+altura+",resizable=no,scrollbars=yes")	

}

//**************************************

function isGeral(caractere,s)   

{ var strValidos = s   

	if ( strValidos.indexOf( caractere ) == -1 )   

		return false; 

	return true;   

}  

//**************************************

function validaGeral(campo, event, s, bEnter)  

{ var key;   

	var tecla;

	CheckTAB=true;   

	if(navigator.appName.indexOf("Netscape")!= -1)  

		tecla=event.which;  

	else   

		tecla=event.keyCode;   

	key = String.fromCharCode(tecla);	

	if (tecla==13)  

		return bEnter;  

	if ((tecla==8)||(tecla==0))   

		return true;   	

	return (isGeral(key,s)); 

}        

// "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZáéíóúÁÉÍÓÚñÑâêôÂÊÔÃãõÕüÜ: /." 

function validaemail(obj)

{

	s=obj.value

	if (s!="")

	{

		antes=s.substr(0,s.indexOf("@"))

		depois=s.substr(s.indexOf("@")+1,s.length)

		depoisponto=depois.substr(depois.indexOf(".")+1,depois.length)	

		if ((depois.indexOf(".")==-1)||(depois.indexOf("@")!=-1)||(depoisponto.length==0))

		{		

			alert("Informe o e-mail corretamente")

			obj.focus()

			return false

		}

	}else{

		alert("Informe o e-mail corretamente")

		obj.focus()

		return false

	}

	return true

}