//-------------------------------------------------------------------------------------------\\
//Mouse Over
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];}
}
//-------------------------------------------------------------------------------------------\\
//Conta chars restantes...
function campoContPress (oCampo, nQtdChars, oCampoSetNum) {
	if (oCampo.value.length < nQtdChars) {
		oCampoSetNum.value = (nQtdChars - (oCampo.value.length + 1));
		return ( true );
	} else {
		oCampo.value = oCampo.value.substring(0, nQtdChars);
		return ( false );
	}
}
//-------------------------------------------------------------------------------------------\\
//Gera o select ano
function CriaAno ( iComp ) {
	var data   = new Date();
	var result = '';
	for ( var i = 0; i < iComp; i++ ) result += "<option value='" + ( data.getYear() - i ) + "'>" + ( data.getYear() - i ) + "</option>";
	return ( result );
};
//-------------------------------------------------------------------------------------------\\
//Gera o select dia
function CriaDia ( iComp ) {
	var result = '';
	for ( var i = 1; i <= iComp; i++ ) result += "<option value='" + ( i <= 9 ? '0' + i : i ) + "'>" + ( i <= 9 ? '0' + i : i ) + "</option>";
	return ( result );
};
//-------------------------------------------------------------------------------------------\\
//Menu
function Browser() {
  var ua, s, i;
  this.isIE    = false;  
  this.isNS    = false;  
  this.version = null;

  ua = navigator.userAgent;

  s = "MSIE";
  if ((i = ua.indexOf(s)) >= 0) {
    this.isIE = true;
    this.version = parseFloat(ua.substr(i + s.length));
    return;
  }

  s = "Netscape6/";
  if ((i = ua.indexOf(s)) >= 0) {
    this.isNS = true;
    this.version = parseFloat(ua.substr(i + s.length));
    return;
  }

  // Treat any other "Gecko" browser as NS 6.1.

  s = "Gecko";
  if ((i = ua.indexOf(s)) >= 0) {
    this.isNS = true;
    this.version = 6.1;
    return;
  }
}
var browser = new Browser();
//----------------------------------------------------------------------------
// Code for handling the menu bar and active button.
//----------------------------------------------------------------------------
var activeButton = null;
// Capture mouse clicks on the page so any active button can be
// deactivated.
if (browser.isIE)
  document.onmousedown = pageMousedown;
else
  document.addEventListener("mousedown", pageMousedown, true);
function pageMousedown(event) {
  var el;
  if (activeButton == null)
    return;

  if (browser.isIE)
    el = window.event.srcElement;
  else
    el = (event.target.tagName ? event.target : event.target.parentNode);

  if (el == activeButton)
    return;

  if (getContainerWith(el, "DIV", "menu") == null) {
    resetButton(activeButton);
    activeButton = null;
  }
}
function buttonClick(event, menuId, _x, _y) {
  var button;

  if (browser.isIE)
    button = window.event.srcElement;
  else
    button = event.currentTarget;

  button.blur();

  if (button.menu == null) {
    button.menu = document.getElementById(menuId);
    menuInit(button.menu);
  }

  if (activeButton != null)
    resetButton(activeButton);

  if (button != activeButton) {
    depressButton(button, _x, _y);
    activeButton = button;
  }
  else
    activeButton = null;

  return false;
}
function buttonMouseover(event, menuId, _x, _y) {
  var button;

  if (browser.isIE)
    button = window.event.srcElement;
  else
    button = event.currentTarget;

  if (activeButton != null && activeButton != button)
    buttonClick(event, menuId, _x, _y);
}
function depressButton(button, _x, _y) {
  var x, y;

  button.className += " menuButtonActive";

  x = getPageOffsetLeft(button);
  y = getPageOffsetTop(button) + button.offsetHeight;

  if (browser.isIE) {
    x += button.offsetParent.clientLeft;
    y += button.offsetParent.clientTop;
  }
  button.menu.style.left = (x + _x) + "px";
  if (browser.isIE) {
 	button.menu.style.top  = (y + _y) + "px";
  } else {
	button.menu.style.top  = (y + _y + 4) + "px";
  }
  
  button.menu.style.visibility = "visible";
}
function resetButton(button) {
  removeClassName(button, "menuButtonActive");

  if (button.menu != null) {
    closeSubMenu(button.menu);
    button.menu.style.visibility = "hidden";
  }
}
function menuMouseover(event) {
  var menu;
  if (browser.isIE)
    menu = getContainerWith(window.event.srcElement, "DIV", "menu");
  else
    menu = event.currentTarget;

  if (menu.activeItem != null)
    closeSubMenu(menu);
}
function menuItemMouseover(event, menuId) {
  var item, menu, x, y;
  if (browser.isIE)
    item = getContainerWith(window.event.srcElement, "A", "menuItem");
  else
    item = event.currentTarget;
  menu = getContainerWith(item, "DIV", "menu");

  if (menu.activeItem != null)
    closeSubMenu(menu);
  menu.activeItem = item;

  item.className += " menuItemHighlight";

  if (item.subMenu == null) {
    item.subMenu = document.getElementById(menuId);
    menuInit(item.subMenu);
  }

  x = getPageOffsetLeft(item) + item.offsetWidth;
  y = getPageOffsetTop(item);

  var maxX, maxY;

  if (browser.isNS) {
    maxX = window.scrollX + window.innerWidth;
    maxY = window.scrollY + window.innerHeight;
  }
  if (browser.isIE && browser.version < 6) {
    maxX = document.body.scrollLeft + document.body.clientWidth;
    maxY = document.body.scrollTop  + document.body.clientHeight;
  }
  if (browser.isIE && browser.version >= 6) {
    maxX = document.documentElement.scrollLeft + document.documentElement.clientWidth;
    maxY = document.documentElement.scrollTop  + document.documentElement.clientHeight;
  }
  maxX -= item.subMenu.offsetWidth;
  maxY -= item.subMenu.offsetHeight;

  if (x > maxX)
    x = Math.max(0, x - item.offsetWidth - item.subMenu.offsetWidth
      + (menu.offsetWidth - item.offsetWidth));
  y = Math.max(0, Math.min(y, maxY));

  item.subMenu.style.left = x + "px";
  item.subMenu.style.top  = y + "px";
  item.subMenu.style.visibility = "visible";

  if (browser.isIE)
    window.event.cancelBubble = true;
  else
    event.stopPropagation();
}
function closeSubMenu(menu) {
  if (menu == null || menu.activeItem == null)
    return;

  if (menu.activeItem.subMenu != null) {
    closeSubMenu(menu.activeItem.subMenu);
    menu.activeItem.subMenu.style.visibility = "hidden";
    menu.activeItem.subMenu = null;
  }
  removeClassName(menu.activeItem, "menuItemHighlight");
  menu.activeItem = null;
}
function menuInit(menu) {
  var itemList, spanList
  var textEl, arrowEl;
  var itemWidth;
  var w, dw;
  var i, j;

  if (browser.isIE) {
    menu.style.lineHeight = "2.5ex";
    spanList = menu.getElementsByTagName("SPAN");
    for (i = 0; i < spanList.length; i++)
      if (hasClassName(spanList[i], "menuItemArrow")) {
        spanList[i].style.fontFamily = "Webdings";
        spanList[i].firstChild.nodeValue = "4";
      }
  }
  itemList = menu.getElementsByTagName("A");
  if (itemList.length > 0)
    itemWidth = itemList[0].offsetWidth;
  else
    return;

  for (i = 0; i < itemList.length; i++) {
    spanList = itemList[i].getElementsByTagName("SPAN")
    textEl  = null
    arrowEl = null;
    for (j = 0; j < spanList.length; j++) {
      if (hasClassName(spanList[j], "menuItemText"))
        textEl = spanList[j];
      if (hasClassName(spanList[j], "menuItemArrow"))
        arrowEl = spanList[j];
    }
    if (textEl != null && arrowEl != null)
      textEl.style.paddingRight = (itemWidth 
        - (textEl.offsetWidth + arrowEl.offsetWidth)) + "px";
  }
  if (browser.isIE) {
    w = itemList[0].offsetWidth;
    itemList[0].style.width = w + "px";
    dw = itemList[0].offsetWidth - w;
    w -= dw;
    itemList[0].style.width = w + "px";
  }
}
function getContainerWith(node, tagName, className) {
  while (node != null) {
    if (node.tagName != null && node.tagName == tagName &&
        hasClassName(node, className))
      return node;
    node = node.parentNode;
  }

  return node;
}
function hasClassName(el, name) {
  var i, list;
  list = el.className.split(" ");
  for (i = 0; i < list.length; i++)
    if (list[i] == name)
      return true;

  return false;
}
function removeClassName(el, name) {
  var i, curList, newList;
  if (el.className == null)
    return;
  newList = new Array();
  curList = el.className.split(" ");
  for (i = 0; i < curList.length; i++)
    if (curList[i] != name)
      newList.push(curList[i]);
  el.className = newList.join(" ");
}
function getPageOffsetLeft(el) {
  var x;
  x = el.offsetLeft;
  if (el.offsetParent != null)
    x += getPageOffsetLeft(el.offsetParent);

  return x;
}
function getPageOffsetTop(el) {
  var y;
  y = el.offsetTop;
  if (el.offsetParent != null)
    y += getPageOffsetTop(el.offsetParent);

  return y;
}
//-------------------------------------------------------------------------------------------\\














// function from http://www.gamarod.com.ar/javascript/80.asp
function isMail(_email) {
        var emailReg = /^[a-z][a-z-_0-9\.]+@[a-z-_=>0-9\.]+\.[a-z]{2,3}$/i;
        return emailReg.test(_email);
}

// Verifica se o login tem somente letras e um ponto no meio
function isLogin(_login) {
        var loginReg = /^[a-z][a-z-_0-9\.]+\.[a-z-_0-9\.]/i;
        return loginReg.test(_login);
}

// Checa se a string contem somente letras
function isAlphaNum(_string) {
        var _ER = /^[a-z][a-z-_0-9\.]+$/i;
        return _ER.test(_string);
}


function validaFormLogin()
{
		if (formLogin.email.value.length<2) {
			alert("Por favor, digite o seu e-mail") ;
			formLogin.email.focus() ;
			return false ;			
		}
		if (formLogin.dia.value.length<1) {
			alert("Por favor, escolha o Dia do Mês") ;
			formLogin.dia.focus() ;
			return false ;			
		}
		if (formLogin.mes.value.length<1) {
			alert("Por favor, escolha o Mês") ;
			formLogin.mes.focus() ;
			return false ;			
		}
		if (formLogin.ano.value.length<2) {
			alert("Por favor, escolha o Ano") ;
			formLogin.ano.focus() ;
			return false ;			
		}
		
		if (formLogin.mes.value==2) 
		{
 			if (formLogin.dia.value > 29) 
			{
 			  alert("Data de Nascimento inválida")
			  formLogin.dia.focus() ;
              return false ;
			}
		}
		
		var ano = ""+formLogin.ano.value/4+""
        
        ano=ano.substring(3,4)
		
		if (ano ==".")
           {
             if (formLogin.mes.value==2) 
				{	
 				if (formLogin.dia.value > 28) 
				{
	 			  alert("Data de Nascimento inválida")
				  formLogin.dia.focus() ;
        	      return false ;
				}
			}
        }
		
		return true ;

}

function validaFormEnviarAmigo() {
		if (formEnviarAmigo.nome_from.value.length<2) {
			alert("Por favor, digite o seu nome") ;
			formEnviarAmigo.nome_from.focus() ;
			return false ;			
		}
		
		if (formEnviarAmigo.email_from.value.length<2) {
			alert("Por favor, digite o seu e-mail") ;
			formEnviarAmigo.email_from.focus() ;
			return false ;			
		}
		else {
			if (!isMail(formEnviarAmigo.email_from.value)){
				alert("Por favor, digite um e-mail valido!") ;
				formEnviarAmigo.email_from.focus() ;
				return false ;
			}
		}
		
		if (formEnviarAmigo.email_to.value.length<2) {
			alert("Por favor, digite o e-mail do destinatario") ;
			formEnviarAmigo.email_to.focus() ;
			return false ;			
		}
		else {
			emails_to = formEnviarAmigo.email_to.value.split(",");
			erro_email_to = 0
			for (i=0; i < emails_to.length; i++){
				if (!isMail(emails_to[i])){
					alert('O e-mail '+emails_to[i]+' não é valido!');
					erro_email_to = 1;
				}
			}
			if (erro_email_to == 1){
				formEnviarAmigo.email_to.focus() ;
				return false;
			}
		}
		
		return true;
}