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];}
}
//Preload images first
MM_preloadImages('images/buttons/winemaking_products_on.gif','images/buttons/bellla_rouge_wine_on.gif','images/buttons/consulting_on.gif','images/buttons/delivery_information_on.gif','images/buttons/careers_on.gif','images/buttons/home_on.gif','images/buttons/about_us_on.gif','images/buttons/news_on.gif','images/buttons/contact_us_on.gif');



//Detect browser and show css accordingly
if((navigator.appName == "Netscape")&& (parseInt(navigator.appVersion) < 5))
	{
		document.write('<link rel="stylesheet" href="ns.css" type="text/css">'); 
	}
	else
	{
		document.write('<link rel="stylesheet" href="ie.css" type="text/css">'); 
	}

// detect brower here it ends 

 function validate()
 {
	x=document.myForm
	at=x.myEmail.value.indexOf("@")
	addr=x.myEmail.value
	dot=x.myEmail.value.indexOf(".")
	 
	submitOK="True"
	if (at==-1) 
	 {
		alert("Please enter a valid e-mail address.")
		x.myEmail.focus()
		submitOK="False"
		return false
	 }
	 else if (dot==-1) 
	 {
		alert("Please enter a valid e-mail address.")
		x.myEmail.focus()
		submitOK="False"
		return false
	 }
	 else if (addr.length<3)
	 {
		alert("Please enter a valid e-mail address.")
		x.addr.focus()
		submitOK="False"
		return false
	 }

	  
	if (submitOK=="False")
	  {
		return false
	  }
}
<!--
function MM_openBrWindow(theURL,winName,features) { //v2.0
  window.open(theURL,winName,features);
}
function change_src(id)
{
	window.location = "news.htm#"+id;
}



function correctPNG() // correctly handle PNG transparency in Win IE 5.5 & 6.
{
   var arVersion = navigator.appVersion.split("MSIE")
   var version = parseFloat(arVersion[1])
   if ((version >= 5.5) && (document.body.filters)) 
   {
      for(var i=0; i<document.images.length; i++)
      {
         var img = document.images[i]
         var imgName = img.src.toUpperCase()
         if (imgName.substring(imgName.length-3, imgName.length) == "PNG")
         {
            var imgID = (img.id) ? "id='" + img.id + "' " : ""
            var imgClass = (img.className) ? "class='" + img.className + "' " : ""
            var imgTitle = (img.title) ? "title='" + img.title + "' " : "title='" + img.alt + "' "
            var imgStyle = "display:inline-block;" + img.style.cssText 
            if (img.align == "left") imgStyle = "float:left;" + imgStyle
            if (img.align == "right") imgStyle = "float:right;" + imgStyle
            if (img.parentElement.href) imgStyle = "cursor:hand;" + imgStyle
            var strNewHTML = "<span " + imgID + imgClass + imgTitle
            + " style=\"" + "width:" + img.width + "px; height:" + img.height + "px;" + imgStyle + ";"
            + "filter:progid:DXImageTransform.Microsoft.AlphaImageLoader"
            + "(src=\'" + img.src + "\', sizingMethod='scale');\"></span>" 
            img.outerHTML = strNewHTML
            i = i-1
         }
      }
   }    
}
window.attachEvent("onload", correctPNG);