page = window.location.pathname.substr(window.location.pathname.lastIndexOf("/")+1)
document.getElementById("Image20").src="images/btn-home.jpg";
document.getElementById("Image21").src="images/btn-flour-mills.jpg";
document.getElementById("Image22").src="images/btn-sugar-refinery.jpg";
document.getElementById("Image23").src="images/btn-oil-veg.jpg";
document.getElementById("Image24").src="images/btn-contactus.jpg";



if(page == "index.html"){
	document.getElementById("Image20").src="images/btn-home-hv.jpg";
}
if(page == "flour-mills.html"){
	document.getElementById("Image21").src="images/btn-flour-mills-hv.jpg";
}
if(page == "sugar-refinery.html"){
	document.getElementById("Image22").src="images/btn-sugar-refinery-hv.jpg";
}
if(page == "maritime.html"){
	document.getElementById("Image23").src="images/btn-maritime-hv.jpg";
}
if(page == "contactus.html"){
	document.getElementById("Image24").src="images/btn-contactus-hv.jpg";
}