function load_login(purl,w,h,id){
	fc = "load_login";
	document.getElementById("cortina").style.display 	= "";
	document.getElementById("cortina").style.MozOpacity = 0.6;
//	document.getElementById("cortina").style.height 	= getHeight()+"px";

	document.getElementById("cortina").style.height 	= document.body.scrollHeight + 'px'; 
	document.getElementById("cortina").style.width 		= getWidth()+"px";
			
	//document.getElementById("cortina").style.width 		= document.body.scrollWidth  + 'px';
	//document.getElementById("cortina").style.height 	= screen.height+"px";
	//document.getElementById("cortina").style.width 		= screen.width+"px";
	
	document.getElementById(id).style.display 			= "";
	document.getElementById(id).style.left 				= ((getWidth()/2)-(w/2))+"px";
//	document.getElementById(id).style.top 				= 30+"px";
	document.getElementById(id).style.top 				= ((getHeight()/2)-(h/2))+"px";
	document.getElementById(id).style.width 			= (w)+"px";
	document.getElementById(id).style.height 			= (h)+"px";
	
	//document.getElementById(id).style.filter 			= "alpha(opacity=90)";
	//document.getElementById(id).style.MozOpacity 		= 0.9;
	//alert(purl);
	idDiv 												= id;
	url 												= purl;	
	enviaGet(true);			
}

function unload_login(id){
	document.getElementById(id).innerHTML 				= ""
	document.getElementById(id).style.display 	= "none";	
	document.getElementById("cortina").style.display 	= "none";	
}

function getPosition(w){
	var wWidth = getWidth();
	var pageSize = 778;	
	var goBack = ((wWidth - pageSize) / 2) + w;
	if (navigator.appName == "Netscape"){
		goBack = goBack - 4;
	}
	(goBack < 21) ? goBack = 21 : goBack = goBack;
	//essa checagem antes de retornar é necessária p/ evitar que o menu receba um valor menor q a margem
	//do navegador + o tamanho da primeira coluna, p/ o style 'LEFT'
	if (navigator.appName == "Netscape") goBack = goBack+"px";

	return goBack;
}

function vSenha(x){
	
	if (x == "BACK")document.getElementById("senha").value = document.getElementById("senha").value.substring(0,document.getElementById("senha").value.length - 1);
	//if (x == "BACK")document.getElementById("dp").innerHTML = document.getElementById("dp").innerHTML.substring(0,document.getElementById("dp").innerHTML.length - 1);
	if (x == "ENTER")login();
	if (x != "BACK" && x != "ENTER")document.getElementById("senha").value += x;
	//if(limitaCaracteresInnerText(document.getElementById('dp'),16)){
		//if (x != "BACK" && x != "ENTER")document.getElementById("dp").innerHTML += "*";
	//}
}

function login(){

	var usuario = document.getElementById("id").value;	
	var senha = document.getElementById("senha").value;	
	var img = document.getElementById("req_img_validacao").value;	

	idDiv = "dv_conteudo_meio";
	fc = "login";
	
	if(document.getElementById("senha").value == ""){
		alert("Por favor informe sua senha.");
		document.getElementById("senha").focus();
		return false;
	}else if(document.getElementById("id").value == ""){
		alert("Por favor informe seu usuário.");
		document.getElementById("id").focus();
		return false;
	}
	
	url = "loga.asp?valida=ok&usuario="+escape(usuario)+"&senha="+escape(senha)+"&req_img_validacao="+escape(img)+"&anticache="+Math.random();	
	enviaGet(true);
	//document.location='default.asp?status=1';
	return false;
}

/*function setTimeCallFunction(tempo, funcao, parametros){
	(parametros == null) ? var temp = setInterval(funcao, tempo) : setInterval(funcao, tempo, parametros);
}*/