try{
    xmlhttp = new XMLHttpRequest();
}catch(ee){
    try{
        xmlhttp = new ActiveXObject("Msxml2.XMLHTTP");
    }catch(e){
        try{
            xmlhttp = new ActiveXObject("Microsoft.XMLHTTP");
        }catch(E){
            xmlhttp = false;
        }
    }
}

function posiciona(objeto, z){
	var layer = objeto;
	document.getElementById(layer).style.zIndex = z;
}

function show_menu(objeto){	
	document.getElementById(objeto).style.visibility = 'visible';
}

function opener_popup(url){
	window.opener.location.href = url;
}

function verificaEnter(funcao){
	if (event.keyCode == 13){
		eval(funcao);
	}
}

function redimensiona_iframe(id, altura){
	obj = window.parent.document.getElementById(id);
	obj.style.height = altura + 'px';
}

function popup (largura, altura, nome, url) {
	resolucaox = screen.width/2;
	resolucaoy = screen.height/2;
	pontox = resolucaox - (largura/2);
	pontoy = resolucaoy - (altura/2);
	window.open(url, nome, "scrollbars=yes, resizable=yes, width=" + largura + ", height=" + altura + ", left=" + pontox + ", top=" + pontoy);
}

function showHide(id){
	obj = document.getElementById(id);
	if(obj.style.display != 'block'){
		obj.style.display = 'block';
	}else{
		obj.style.display = 'none';
	}
}

function FormataData(Campo, teclapres){
	if(window.event){
		var tecla = teclapres.keyCode;
	} else {
		tecla = teclapres.which;
	}
	var vr = new String(Campo.value);
	vr = vr.replace("-", "");
	tam = vr.length + 1;
	if (tecla != 9 && tecla != 8){
		if (tam > 2 && tam < 4){
			Campo.value = vr.substr(0,2) + '-' + vr.substr(2,tam);
		}
		if (tam >= 5 && tam < 7){
			Campo.value = vr.substr(0,2) + '-' + vr.substr(2,4) + '-' + vr.substr(6,tam-6);
		}
	}
}

// -----------------------------------  Swap Image Dreamweaver
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];}
}
// -----------------------------------  FIM Swap Image Dreamweaver