// JavaScript Document

function EnterEnvia(event,el_formulario)
{
  if (event && event.which == 13)
		el_formulario.submit()
  else
		if (window.event && window.event.keyCode == 13)
			el_formulario.submit();
}

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 bName = navigator.appName;
          var bVer = parseInt(navigator.appVersion);
          var NS4 = (bName == "Netscape" && bVer >= 4);
          var IE4 = (bName == "Microsoft Internet Explorer" && bVer >= 4);

          function display(id, str) {
            if (NS4 || IE4) { // if browser supports style sheets
              if (NS4) { // if Navigator 4.0+
                with (document[id].document) {
                  open(); // open document
                  write(str); // write to document
                  close(); // close document
                }
              } else { // Internet Explorer 4.0+
                document.all[id].innerHTML = str; // "assign" to element
              }
            }
          }

          function swapClass(text, spName, urlName, oldName, clName, over) {
            if (bVer < 4) { // old browser
              return; // terminate the function
            }  

            // create a new string for the link
            // change the link's class to clName (it was oldName before)
            var str = "<A CLASS='" + clName + "' HREF='" + urlName + "'";
            if (over) {
              // replace onMouseOver with onMouseOut
              // replace true with false
              str += " onMouseOut=\"swapClass(\'" + text + "\', \'" + spName +
                     "\', \'" + urlName + "\', \'" + clName +
                     "\', \'" + oldName + "\', false)\">";
            } else {
              // replace onMouseOut with onMouseOver
              // replace false with true
              str += " onMouseOver=\"swapClass(\'" + text + "\', \'" + spName +
                     "\', \'" + urlName + "\', \'" + clName +
                     "\', \'" + oldName + "\', true)\">";
            }
            str += text + "</A>";
            display(spName, str); // update the code
          }