/////////edit here////////////
	//set pages by order
var pages = new Array();
pages[0] = "default.aspx"; 
pages[1] = "bio.aspx"; 
pages[2] = "yoga.aspx"; 
pages[3] = "classes.aspx"; 
pages[4] = "contact.aspx"; 

	//set image preffix and suffix
var imagePreffix = "images/menuOver_0";
var imageSuffix = ".gif";
	
	//rarely changed
var eventName = "down";
var groupName = "group1";
var itmePreffix = "item";
/////////end editable/////////

// MM functions
function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_nbGroup(event, grpName) { //v6.0
  var i,img,nbArr,args=MM_nbGroup.arguments;
  if (event == "init" && args.length > 2) {
    if ((img = MM_findObj(args[2])) != null && !img.MM_init) {
      img.MM_init = true; img.MM_up = args[3]; img.MM_dn = img.src;
      if ((nbArr = document[grpName]) == null) nbArr = document[grpName] = new Array();
      nbArr[nbArr.length] = img;
      for (i=4; i < args.length-1; i+=2) if ((img = MM_findObj(args[i])) != null) {
        if (!img.MM_up) img.MM_up = img.src;
        img.src = img.MM_dn = args[i+1];
        nbArr[nbArr.length] = img;
    } }
  } else if (event == "over") {
    document.MM_nbOver = nbArr = new Array();
    for (i=1; i < args.length-1; i+=3) if ((img = MM_findObj(args[i])) != null) {
      if (!img.MM_up) img.MM_up = img.src;
      img.src = (img.MM_dn && args[i+2]) ? args[i+2] : ((args[i+1])? args[i+1] : img.MM_up);
      nbArr[nbArr.length] = img;
    }
  } else if (event == "out" ) {
    for (i=0; i < document.MM_nbOver.length; i++) {
      img = document.MM_nbOver[i]; img.src = (img.MM_dn) ? img.MM_dn : img.MM_up; }
  } else if (event == "down") {
    nbArr = document[grpName];
    if (nbArr)
      for (i=0; i < nbArr.length; i++) { img=nbArr[i]; img.src = img.MM_up; img.MM_dn = 0; }
    document[grpName] = nbArr = new Array();
    for (i=2; i < args.length-1; i+=2) if ((img = MM_findObj(args[i])) != null) {
      if (!img.MM_up) img.MM_up = img.src;
      img.src = img.MM_dn = (args[i+1])? args[i+1] : img.MM_up;
      nbArr[nbArr.length] = img;
  } }
}

//Menu nav function
function SetSelectedMenuItem()
{
	//get current page name
	var CurrentPage = GetCurrentPageName();	
	var pageID = 1 ;		
	
	for(i=0;i<pages.length;++i)
	{
		if(CurrentPage==pages[i])
		{
			pageID = i+1;
			break;
		}
	}	

	MM_nbGroup(eventName,groupName,itmePreffix+pageID,imagePreffix+pageID+imageSuffix,1);
}

function GetCurrentPageName()
{
	var sPath = window.location.pathname;
	var slashIndex;
	if(sPath.lastIndexOf('/')>0)
	{
		slashIndex = sPath.lastIndexOf('/');
	}
	else
	{
		slashIndex = sPath.lastIndexOf('\\');
	}
	var sPage = sPath.substring(slashIndex + 1);
	sPage = sPage.replace("/",""); 
	sPage = sPage.replace("\\",""); 
	return sPage;
}