function imgSwap(oImg)
{
   var strOver  = "_on"    // image to be used with mouse over
   var strOff = "_off"     // normal image
   var strImg = oImg.src
   if (strImg.indexOf(strOver) != -1)
      oImg.src = strImg.replace(strOver,strOff)
   else
      oImg.src = strImg.replace(strOff,strOver)
}

function showIt(id) {
var d = document.getElementById(id);
if (d) {d.style.display='block';}
}

function hideIt(id) {
  document.getElementById(id).style.display='none';
}

function preloadImages() {

	image1 = new Image();
	image1.src = "/images/sd_the_off.jpg";
	image2 = new Image();
	image2.src = "/images/sd_the_on.jpg";
	image3 = new Image();
	image3.src = "/images/sd_services_on.jpg";
	image4 = new Image();
	image4.src = "/images/sd_services_off.jpg";
	image5 = new Image();
	image5.src = "/images/sd_team_on.jpg";	
	image6 = new Image();
	image6.src = "/images/sd_team_off.jpg";	
	image7 = new Image();
	image7.src = "/images/sd_profile_on.jpg";
	image8 = new Image();
	image8.src = "/images/sd_profile_off.jpg";
	image9 = new Image();
	image9.src = "/images/sd_thef_off.jpg";
	image10 = new Image();
	image10.src = "/images/sd_thef_on.jpg";
	image11 = new Image();
	image11.src = "/images/sd_servicesf_on.jpg";
	image12 = new Image();
	image12.src = "/images/sd_servicesf_off.jpg";
	image13 = new Image();
	image13.src = "/images/sd_teamf_on.jpg";	
	image14 = new Image();
	image14.src = "/images/sd_teamf_off.jpg";	
	image15 = new Image();
	image15.src = "/images/sd_profilef_on.jpg";
	image16 = new Image();
	image16.src = "/images/sd_profilef_off.jpg";	
}