$(document).ready(function() {
    // IE6 png transparency fixes
    $("#body_container").pngfix({ sizingMethod: "scale" });
    $("#body_footer").pngfix();

    // Hack to make li's 'hover-able'
    if (document.all && document.getElementById) {
        $("#mainnav > .menu ul > li").each(function() {
            this.onmouseover = function() { this.className += " over"; }
            this.onmouseout = function() { this.className = this.className.replace(" over", ""); }
        });
    }
});

function productsOn() {
    $("#products").css("background-position", "0 -144px");
    $("#products").hover(function() {
        $("#products").css("background-position", "0 -72px");
    },
    function() {
        $("#products").css("background-position", "0 -144px");
    });
}

function versatilityOn() {
    $("#versatility").css("background-position", "-177px -144px");
    $("#versatility").hover(function() {
        $("#versatility").css("background-position", "-177px -72px");
    },
    function() {
        $("#versatility").css("background-position", "-177px -144px");
    });
}

function technologyOn() {
    $("#technology").css("background-position", "-353px -144px");
    $("#technology").hover(function() {
        $("#technology").css("background-position", "-353px -72px");
    },
    function() {
        $("#technology").css("background-position", "-353px -144px");
    });
}

function aboutUsOn() {
    $("#aboutUs").addClass("on");
}

function contactUsOn() {
    $("#contactUs").addClass("on");
}

function newsEventsOn() {
    $("#newsEvents").addClass("on");
}

function resourceCenterOn() {
    $("#resourceCenter").addClass("on");
}