function IEHoverPseudo() {

	var navItems = document.getElementById("primary-nav").getElementsByTagName("li");
	
	for (var i=0; i<navItems.length; i++) {
		if(navItems[i].className == "menuparent") {
			navItems[i].onmouseover=function() { this.className += " over"; }
			navItems[i].onmouseout=function() { this.className = "menuparent"; }
		}
	}

}
window.onload = IEHoverPseudo;


// function to display or hide a given element
function showHideItems(myItem, myButton) {

    // this is the ID of the hidden item
    var myItem = document.getElementById(myItem);

    // this is the ID of the plus/minus button image
    var myButton = document.getElementById(myButton);

    if (myItem.style.display != "none") {
        // items are currently displayed, so hide them
        myItem.style.display = "none";
        swapImage(myButton, "plus");
    }
    else {
        // items are currently hidden, so display them
        myItem.style.display = "block";
        swapImage(myButton, "minus");
    }
}

// function to swap an image based on its current state
function swapImage(myImage, state) {
    if (state == "minus") {
        myImage.src = "/layout/minus.gif";
    }
    else {
        myImage.src = "/layout/plus.gif";
    }
}