var is_ie = document.all;
var onloadFunctions = [];

function go(url) {
    window.location = url;
    return false;
}

function checkall(field) {
    for (i = 0; i < field.length; i++)
        field[i].checked = true ;
}

function uncheckall(field) {
    for (i = 0; i < field.length; i++)
        field[i].checked = false ;
}

sfHover = function() {
    var sfEls = document.getElementById("primary-navigation").getElementsByTagName("LI");
    for (var i=0; i<sfEls.length; i++) {
        sfEls[i].onmouseover=function() {
            this.className+=" sfhover";
        }
        sfEls[i].onmouseout=function() {
            this.className=this.className.replace(new RegExp(" sfhover\\b"), "");
        }
    }
}

// Attach event for IE only
if (window.attachEvent) {
        addOnLoadFunc(sfHover);
}

function addOnLoadFunc ( onloadFunction )
{
    onloadFunctions[onloadFunctions.length] = onloadFunction;

    window.onload = function ( )
    {
        for ( var i = 0; i < onloadFunctions.length; i++ )
        {
            onloadFunctions[i]();
        }
    }
}