if (document.images) {
img1on = new Image();
img1on.src = "images/home.gif"; // Active Images

img1off = new Image();
img1off.src = "images/home_rol.gif"; // Inactive Images

img2on = new Image();
img2on.src = "images/about_us.gif"; // Active Images

img2off = new Image();
img2off.src = "images/about_us_rol.gif"; // Inactive Images

img3on = new Image();
img3on.src = "images/services.gif"; // Active Images

img3off = new Image();
img3off.src = "images/services_rol.gif"; // Inactive Images

img4on = new Image();
img4on.src = "images/contact.gif"; // Active Images

img4off = new Image();
img4off.src = "images/contact_rol.gif"; // Inactive Images

img5on = new Image();
img5on.src = "images/business_start_ups.gif"; // Active Images

img5off = new Image();
img5off.src = "images/business_start_ups_rol.gif"; // Inactive Images

img6on = new Image();
img6on.src = "images/payroll.gif"; // Active Images

img6off = new Image();
img6off.src = "images/payroll_rol.gif"; // Inactive Images

img7on = new Image();
img7on.src = "images/year_end_accounts.gif"; // Active Images

img7off = new Image();
img7off.src = "images/year_end_accounts_rol.gif"; // Inactive Images

img8on = new Image();
img8on.src = "images/self_assessment.gif"; // Active Images

img8off = new Image();
img8off.src = "images/self_assessment_rol.gif"; // Inactive Images

img9on = new Image();
img9on.src = "images/other_services_ovr.gif"; // Active Images

img9off = new Image();
img9off.src = "images/other_services_rol.gif"; // Inactive Images

img10on = new Image();
img10on.src = "images/articles_nv.gif"; // Active Images

img10off = new Image();
img10off.src = "images/articles_nv_rol.gif"; // Inactive Images

img11on = new Image();
img11on.src = "images/calendar_nv.gif"; // Active Images

img11off = new Image();
img11off.src = "images/calendar_nv_rol.gif"; // Inactive Images

img12on = new Image();
img12on.src = "images/careers.gif"; // Active Images

img12off = new Image();
img12off.src = "images/careers_rol.gif"; // Inactive Images

}

// Function to 'activate' images.
function imgOn(imgName) {
if (document.images) {
document[imgName].src = eval(imgName + "on.src");
}
} 

// Function to 'deactivate' images. 
function imgOff(imgName) {
if (document.images) {
document[imgName].src = eval(imgName + "off.src");
}
}


function showhidemenu()
{
var menudiv = document.getElementById("dropdownclass");
var currentstatus = menudiv.style.display;
	if(currentstatus == "none")
	{
		menudiv.style.display = "block";
	}
	else
	{
		menudiv.style.display = "none";	
	}
}