var path = window.location.pathname;
var page = path.substring(path.lastIndexOf("/") + 1);
//alert(page);

function topnav(){
	if(page=="index.html" || page==""){
		document.getElementById("home").className = "active"
		}
		
	if(page=="portfolio.html"){
		document.getElementById("portfolio").className = "active"
		}
		
	if(page=="contact_us.html"){
		document.getElementById("contact").className = "active"
		}
	
	}