// Função para Over dos Botoes
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];}
}
//--------


var menu=function(){
	var t=15,z=50,s=6,a;
	function dd(n){this.n=n; this.h=[]; this.c=[]}
	dd.prototype.init=function(p,c){
		a=c; var w=document.getElementById(p), s=w.getElementsByTagName('ul'), l=s.length, i=0;
		for(i;i<l;i++){
			var h=s[i].parentNode; this.h[i]=h; this.c[i]=s[i];
			h.onmouseover=new Function(this.n+'.st('+i+',true)');
			h.onmouseout=new Function(this.n+'.st('+i+')');
		}
	}
	dd.prototype.st=function(x,f){
		var c=this.c[x], h=this.h[x], p=h.getElementsByTagName('a')[0];
		clearInterval(c.t); c.style.overflow='hidden';
		if(f){
			p.className+=' '+a;
			if(!c.mh){c.style.display='block'; c.style.height=''; c.mh=c.offsetHeight; c.style.height=0}
			if(c.mh==c.offsetHeight){c.style.overflow='visible'}
			else{c.style.zIndex=z; z++; c.t=setInterval(function(){sl(c,1)},t)}
		}else{p.className=p.className.replace(a,''); c.t=setInterval(function(){sl(c,-1)},t)}
	}
	function sl(c,f){
		var h=c.offsetHeight;
		if((h<=0&&f!=1)||(h>=c.mh&&f==1)){
			if(f==1){c.style.filter=''; c.style.opacity=1; c.style.overflow='visible'}
			clearInterval(c.t); return
		}
		var d=(f==1)?Math.ceil((c.mh-h)/s):Math.ceil(h/s), o=h/c.mh;
		c.style.opacity=o; c.style.filter='alpha(opacity='+(o*100)+')';
		c.style.height=h+(d*f)+'px'
	}
	return{dd:dd}
}();

function isBlank(txtField){
	if (txtField.value) {
		return (false);
	} else {
		return(true);
	}
}

function validarNumero(campo){
	var digits="-0123456789,"
	var campo_temp 
	for (var i=0;i<campo.value.length;i++){
		campo_temp=campo.value.substring(i,i+1)       
		if (digits.indexOf(campo_temp)==-1){
			campo.value = campo.value.substring(0,i);
            break;
		}
	}
}

function validaMensagem(theForm){
	
	if (isBlank(theForm.fldNome)){
    	alert("Preencha o Campo Nome.");
    	theForm.fldNome.focus();
        return false;
	}
	if (isBlank(theForm.fldEmail)){
		alert("Preencha o Campo Email.");
		theForm.fldEmail.focus();
        return false;}
					
	if (!isBlank(theForm.fldEmail)){				
		arroba = theForm.fldEmail.value.indexOf("@");
		ponto = theForm.fldEmail.value.indexOf(".");
		if (arroba == "-1" || ponto == "-1") { 
			alert("O e-mail é invalido!"); 
			theForm.fldEmail.focus();
			return false;}						
	}
	
	if (isBlank(theForm.fldTelefone)){
    	alert("Preencha o Campo Telefone.");
    	theForm.fldTelefone.focus();
        return false;
	}
	
	if (isBlank(theForm.fldMensagem)){
    	alert("Preencha o Campo Mensagem.");
    	theForm.fldMensagem.focus();
        return false;
	}
    return true;
}

$(document).ready(function(){
	  var currentPosition = 0;
	  var slideWidth = 560;
	  var slides = $('.slide');
	  var numberOfSlides = slides.length;

	  // Remove scrollbar in JS
	  $('#slidesContainer').css('overflow', 'hidden');

	  // Wrap all .slides with #slideInner div
	  slides
	    .wrapAll('<div id="slideInner"></div>')
	    // Float left to display horizontally, readjust .slides width
		.css({
	      'float' : 'left',
	      'width' : slideWidth
	    });

	  // Set #slideInner width equal to total width of all slides
	  $('#slideInner').css('width', slideWidth * numberOfSlides);

	  // Insert controls in the DOM
	  $('#slideshow')
	    .prepend('<span class="control" id="leftControl">Clicking moves left</span>')
	    .append('<span class="control" id="rightControl">Clicking moves right</span>');

	  // Hide left arrow control on first load
	  manageControls(currentPosition);

	  // Create event listeners for .controls clicks
	  $('.control')
	    .bind('click', function(){
	    // Determine new position
		currentPosition = ($(this).attr('id')=='rightControl') ? currentPosition+1 : currentPosition-1;
	    
		// Hide / show controls
	    manageControls(currentPosition);
	    // Move slideInner using margin-left
	    $('#slideInner').animate({
	      'marginLeft' : slideWidth*(-currentPosition)
	    });
	  });

	  // manageControls: Hides and Shows controls depending on currentPosition
	  function manageControls(position){
	    // Hide left arrow if position is first slide
		if(position==0){ $('#leftControl').hide() } else{ $('#leftControl').show() }
		// Hide right arrow if position is last slide
	    if(position==numberOfSlides-1){ $('#rightControl').hide() } else{ $('#rightControl').show() }
	  }	
	});
