// Top Navigation Swap Img


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_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_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];}
}




//---------- Mouse Tool Tip----------- //

<!--
function MM_showHideLayers() { //v6.0
  var i,p,v,obj,args=MM_showHideLayers.arguments;
  var currentObj;
  var tooltipObj;
  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')?'block':(v=='hide')?'none':v; }
    obj.display=v;
	
	if(args.length > 3)
	{
	currentObj = MM_findObj(args[i+3]);
	}
	tooltipObj = MM_findObj(args[0]);
	
	}
	var tooltipHeight;
	if(obj.display == 'block')
	{
	  
		var e = currentObj;
		
		if(e != null)
		{
			var position = {x:0,y:0};
			while (e)
			{
				position.x += e.offsetLeft;
				position.y += e.offsetTop;
				e = e.offsetParent;
			}
			
		    if(tooltipObj.id == 'Tooltip_cd4')
			tooltipHeight = 55;
			else if(tooltipObj.id == 'Tooltip_viral')
			tooltipHeight = 90;
			else if(tooltipObj.id == 'Tooltip_resistance')
			tooltipHeight = 104;
			
			tooltipObj.style.top = (position.y-tooltipHeight)+"px";
			tooltipObj.style.left = (position.x)+"px";
			

		
		}
		
	}
	
}
//-->