if (document.images) {  // If the image object exists
      // Preload images
popup = new Array();
popup[0] = new Image();
popup[0].src="/images/menu/home_on.gif?force-refresh";
popup[1] = new Image();
popup[1].src="/images/menu/about_on.gif?force-refresh";
popup[2] = new Image();
popup[2].src="/images/menu/services_on.gif?force-refresh";
popup[3] = new Image();
popup[3].src="/images/menu/success_on.gif?force-refresh";
popup[4] = new Image();
popup[4].src="/images/menu/contact_on.gif?force-refresh";
popup[5] = new Image();
popup[5].src="/images/home/analyze_more_on.jpg?force-refresh";
popup[6] = new Image();
popup[6].src="/images/home/implement_more_on.jpg?force-refresh";
popup[7] = new Image();
popup[7].src="/images/home/optimize_more_on.jpg?force-refresh";



popoff = new Array();
popoff[0] = new Image();
popoff[0].src="/images/menu/home.gif?force-refresh";
popoff[1] = new Image();
popoff[1].src="/images/menu/about.gif?force-refresh";
popoff[2] = new Image();
popoff[2].src="/images/menu/services.gif?force-refresh";
popoff[3] = new Image();
popoff[3].src="/images/menu/success.gif?force-refresh";
popoff[4] = new Image();
popoff[4].src="/images/menu/contact.gif?force-refresh";
popoff[5] = new Image();
popoff[5].src="/images/home/analyze_more.jpg?force-refresh";
popoff[6] = new Image();
popoff[6].src="/images/home/implement_more.jpg?force-refresh";
popoff[7] = new Image();
popoff[7].src="/images/home/optimize_more.jpg?force-refresh";

}

function msover(name, num) 
{	if (document.images) 
	{  // If the image object exists    
       // Preload images
       document[name].src=popup[num].src;
    }
}

function msout(name, num) 
{	if (document.images) 
	{  // If the image object exists    
       // Preload images
       document[name].src=popoff[num].src;
    }
}