<!--

  // Javascript for Essentially Wine

var usragnt;

function toggle(navclass,colour)
{ // given a NavID, toggle the subnav 
  if(colour!='A0A463'){
	  colour='A07E56';
  }
  o=document.getElementById("catNav");
  var arr=o.getElementsByTagName('li');
  for (i=0; i<arr.length; i++)
  {
    if ((arr[i].className == navclass) || (navclass=="all")) 
    { 
      oUL=arr[i].getElementsByTagName('ul');
      oA=arr[i].getElementsByTagName('a');
      oIMG=arr[i].getElementsByTagName('img');
      if (oUL[0]) 
      {
        if (navclass=="all")
        {
            oIMG[0].src="/grfx/bitmappng.up.php?"+colour;
          oUL[0].style.display="block";
          oA[0].className="jscript";
        }
        else
        {
	  if (oUL[0].style.display != "block")
	  {
            oIMG[0].src="/grfx/bitmappng.up.php?"+colour;
	    oUL[0].style.display="block"; 
	    oA[0].className="jscript";
          }
          else
          {
            oIMG[0].src="/grfx/bitmappng.down.php?"+colour;
	    oUL[0].style.display="none";
	    oA[0].className="";
          }
        }
      }
    }
  }
}

function expand(navclass,colour)
{ // given a NavID, expose the subnav 
  if(colour!='A0A463'){
	  colour='A07E56';
  }
  var i;
  o=document.getElementById("catNav");
  var arr=o.getElementsByTagName('li');
  for (i=0; i<arr.length; i++)
  {
    if ((arr[i].className == navclass) || (navclass=="all")) 
    { 
      oIMG=arr[i].getElementsByTagName('img');
      oUL=arr[i].getElementsByTagName('ul');
      oA=arr[i].getElementsByTagName('a');
      if (oUL[0]) 
      {
        oIMG[0].src="/grfx/bitmappng.up.php?"+colour;
        oUL[0].style.display="block";
        oA[0].className="jscript";
      }
    }
  }
}


function init()
{
  usragnt="NA";
  if (navigator.userAgent.indexOf("MSIE 7.0") != -1) { usragnt="IE7"; }
  if (navigator.userAgent.indexOf("MSIE 6.0") != -1) { usragnt="IE6"; }
  if (navigator.userAgent.indexOf("Firefox") != -1)  { usragnt="FF";  }
  if (navigator.userAgent.indexOf("Opera") != -1)  { usragnt="O";  }
  if (navigator.userAgent.indexOf("Safari") != -1) { usragnt="S"; }
  if (navigator.userAgent.indexOf("Konqueror") != -1) { usragnt="K";}
}


function makeInt(input,minimum,maximum){
	var ValidChars = "0123456789";
    var IsNumber=true;
    var Char;

 
    for (i = 0; i < input.length && IsNumber == true; i++) 
    { 
        Char = input.charAt(i); 
        if (ValidChars.indexOf(Char) == -1) 
        {
            IsNumber = false;
    	}
	}
	
	if(IsNumber==false){
		output=minimum;
	}else{
		var output = parseInt(input,10);
		if(output<minimum){
			output=minimum;
		}else if(output>maximum){
			output=maximum;
		}
	}
	
	return output;
}

window.onload = init;

function visTog(elid, imageid, img_on, img_off){
	objEl=document.getElementById(elid);
	if(imageid!=''){objIm=document.getElementById(imageid);}
	if(objEl.style.visibility=='hidden'||objEl.style.display==''){
		objEl.style.visibility='visible';
		objEl.style.display='block';
		if(objIm){
			objIm.style.backgroundImage='url('+img_on+')';
		}
	}else{
		objEl.style.visibility='hidden';
		objEl.style.display='none';
		if(objIm){
			objIm.style.backgroundImage='url('+img_off+')';
		}
	}
}

// -->