var url = window.location.pathname;
url = url.substring(url.lastIndexOf('/') + 1);

function nav_init() {
    if(url != ""){
	var $nav_side_item = $('#nav li').find("a[href*='" + url + "']");
    } else {
	var $nav_side_item = $('#nav li a').first();
    }
	$nav_side_item.addClass('current');
}

function equalize_cols(){
    var left = $("#left").height();
    $("#right").css("height", left);
    if(url == "contact.php"){
        $("#right").css("height", left + 50);
    }
}

$(document).ready(function(){
    nav_init();
    equalize_cols();
});