MM_preloadImages('images/nav_homepage_over.gif','images/nav_services_over.gif','images/nav_trainingvideos_over.gif','images/nav_contactus_over.gif','images/buy_over.gif');

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_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_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];}
}
function SetupImage(img)
{
	var PreviewDimesion = 160;
	
	if (img.width>img.height)
	{
		img.width = 120;
	}
	else
	{
		img.height = 120;	
	}
	img.style.marginTop = ((PreviewDimesion - img.height)/2-2);
	img.style.visibility = "visible";
}

		function SetupImageCollection()
		{
			var divArray = document.getElementsByTagName("div");
			
			for (var loop=0; loop<divArray.length; loop++)
			{
				if (divArray[loop].id == "imageBox")
				{	
					img = divArray[loop].firstChild;
					SetupImage(img);
				}
			}
		}