navHover = function() {
	var lis = document.getElementById("navmenu").getElementsByTagName("LI");
	for (var i=0; i<lis.length; i++) {
		lis[i].onmouseover=function() {
			this.className+=" iehover";
		}
		lis[i].onmouseout=function() {
			this.className=this.className.replace(new RegExp(" iehover\\b"), "");
		}
	}
}
if (window.attachEvent) window.attachEvent("onload", navHover);




function show_hide(object){ 
    show = true; 
    obj1 = document.getElementById("master").getElementsByTagName("div"); 
    obj2 = document.getElementById(object); 
    if (obj2.style.display == '') 
        show = false; 
    for (i = 0; i < obj1.length; i++) { 
        obj1[i].style.display = 'none'; 
     } 
    if (show == true) 
        obj2.style.display = ''; 
}