// JavaScript Document
function MM_reloadPage(init) {  //reloads the window if Nav4 resized
  if (init==true) with (navigator) {if ((appName=="Netscape")&&(parseInt(appVersion)==4)) {
    document.MM_pgW=innerWidth; document.MM_pgH=innerHeight; onresize=MM_reloadPage; }}
  else if (innerWidth!=document.MM_pgW || innerHeight!=document.MM_pgH) location.reload();
}
MM_reloadPage(true);

// add to favourite
function bookmark(){
    var title="Learning Vision"
    var url="http://www.learningvision.com"

    if (window.sidebar) window.sidebar.addPanel(title, url,"");

    else if( window.opera && window.print )
    {
    var mbm = document.createElement('a');
    mbm.setAttribute('rel','sidebar');
    mbm.setAttribute('href',url);
    mbm.setAttribute('title',title);
    mbm.click();
    }

    else if( document.all ) window.external.AddFavorite( url, title);

}

// pulldown menu (popup)
function formHandler(form) {
var windowprops = "height=500,width=640,location=no,"
+ "scrollbars=no,menubars=no,toolbars=no,resizable=yes";

var URL = form.site.options[form.site.selectedIndex].value;
popup = window.open(URL,"MenuPopup",windowprops);
}

// jump menu to centre
function MM_jumpMenu(targ,selObj,restore){ //v3.0
  eval(targ+".location='"+selObj.options[selObj.selectedIndex].value+"'");
  if (restore) selObj.selectedIndex=0;
}

function MM_openBrWindow(theURL,winName,features) { //v2.0
  window.open(theURL,winName,features);
}

sfHover = function() {
	var sfEls = document.getElementById("mastheadnav").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"), "");
		}
	}
}
if (window.attachEvent) window.attachEvent("onload", sfHover);