function AbreMenu(DivMenu) //fecha todos os div's e abre o especificado em DivMenu
{
	var strFecha = "'fechado','','hide','ovirtua','','hide','vantagens','','hide','experimente','','hide','velocidade','','hide','empresa','','hide','promocoes','','hide','parceiro','','hide'";
	var strAbre = "'" + DivMenu + "','','show'";
	eval('MM_showHideLayers('+ strFecha + ')');
	eval('MM_showHideLayers('+ strAbre +')');
}


function MM_findObj(n, d) { //v3.0
  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); return x;
}
function MM_showHideLayers() { //v3.0
  var i,p,v,obj,args=MM_showHideLayers.arguments;
  for (i=0; i<(args.length-2); i+=3) if ((obj=MM_findObj(args[i]))!=null) { v=args[i+2];
    if (obj.style) { obj=obj.style; v=(v=='show')?'visible':(v='hide')?'hidden':v; }
    obj.visibility=v; }
}

function WM_preloadImages() {

  if (document.images) {
    if (typeof(document.WM) == 'undefined'){
      document.WM = new Object();
    }
    document.WM.loadedImages = new Array();
    var argLength = WM_preloadImages.arguments.length;
    for(arg=0;arg<argLength;arg++) {
      document.WM.loadedImages[arg] = new Image();
      document.WM.loadedImages[arg].src = WM_preloadImages.arguments[arg];
    }
  }
}

function menu_imageSwap(daImage, daSrc, daDiv){ //modificada para páginas com DIV
  var objStr,obj;
  if(document.images){
    if (typeof(daImage) == 'string') {
      if (document.layers)
			objStr = 'document.' + daDiv + '.document.' + daImage;
	  else 
			objStr = 'document.' + daImage;
      obj = eval(objStr);
      obj.src = daSrc;
    } else if ((typeof(daImage) == 'object') && daImage && daImage.src) {
      daImage.src = daSrc;
    }
  }
}