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.s.length;i++) x=d.s[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];}
}

function MM_jumpMenu(targ,selObj,restore){ //v3.0
  eval(targ+".location='"+selObj.options[selObj.selectedIndex].value+"'");
  if (restore) selObj.selectedIndex=0;
}

//formularios//

function validaemail(email) {
  var objRegExp  = /^[A-Za-z]([\w\.]*)@([A-Za-z0-9\.]*)\.(([A-Za-z]{3}\.[A-Za-z]{2}$)|([A-Za-z]{3}$)|([a-z]{2}$))/i ;
  return objRegExp.test(email);
}
function envia(param) {
  if (param == 1) {
    if (document.f1.nome.value.length < 3) {
      alert("Preencha o campo NOME!");
      document.f1.nome.focus();
    }
    else {
      if (!validaemail(document.f1.emai.value)) {
        alert("Preencha o campo E-MAIL!");
              document.f1.emai.focus();
      }
      else {
        document.f1.submit();
      }
    }
  }
  else if (param == 2) {
    if (!validaemail(document.f2.emai.value)) {
      alert("Preencha o campo E-MAIL!");
      document.f2.emai.focus();
    }
    else {
      document.f2.submit();
    }
  }
  else if ( param == 3 ) {
    if (document.f1.nome.value.length < 3) {
      alert("Preencha o campo NOME!");
      document.f1.nome.focus();
    }
    else {
      if (!validaemail(document.f1.email.value)) {
        alert("Preencha o campo E-MAIL!");
              document.f1.email.focus();
      }
      else {
        if ( document.f1.mensagem.value.length < 3 )
        {
            alert("Preencha o campo MENSAGEM!");
        } else {
            document.f1.submit();
        }
      }
    }
  } else {
    if (document.f1.nome.value.length < 3) {
      alert("Preencha o campo NOME!");
      document.f1.nome.focus();
    }
    else {
      if (!validaemail(document.f1.email.value)) {
        alert("Preencha o campo E-MAIL!");
              document.f1.email.focus();
      }
      else {
        document.f1.submit();
      }
    }
  }
}

// CATEGORIAS

over = function() {
	var sfEls = document.getElementById("nav").
getElementsByTagName("LI");
	for (var i=0; i<sfEls.length; i++) {
		sfEls[i].onmouseover=function() {
			this.className+=" over";
		}
		sfEls[i].onmouseout=function() {
			this.className=this.className.
replace(new RegExp(" over\\b"), "");
		}
	}
}
if (window.attachEvent) window.attachEvent("onload", over);