function ShowLayer(layerName){

// Show the specified layer
  if(document.layers)	   //NN4+
    {
       document.layers[layerName].visibility = "show";
    }
    else if(document.getElementById)	  //gecko(NN6) + IE 5+
    {
        var obj = document.getElementById(layerName);
        obj.style.visibility = "visible" ;
    }
    else if(document.all)	// IE 4
    {
        document.all[layerName].style.visibility =  "visible" ;
    }

}



function newImage(arg) {

	if (document.images) {

		rslt = new Image();

		rslt.src = arg;

		return rslt;

	}

}



function changeImages() {

	if (document.images && (preloadFlag == true)) {

		for (var i=0; i<changeImages.arguments.length; i+=2) {

			document[changeImages.arguments[i]].src = changeImages.arguments[i+1];

		}

	}

}



var preloadFlag = false;

function preloadImages() {

	if (document.images) {

		lotus_small_01_top_left_over = newImage("images/lotus_small_01-top_left_ove.jpg");

		lotus_small_01_left_over = newImage("images/lotus_small_01-left_over.jpg");

		lotus_small_01_bottom_left_over = newImage("images/lotus_small_01-bottom_left_.jpg");

		lotus_small_01_bottom_over = newImage("images/lotus_small_01-bottom_over.jpg");

		lotus_small_01_right_over = newImage("images/lotus_small_01-right_over.jpg");

		lotus_small_01_bottom_right_over = newImage("images/lotus_small_01-bottom_right.jpg");

		lotus_small_01_top_right_over = newImage("images/lotus_small_01-top_right_ov.jpg");

		lotus_small_01_top_over = newImage("images/lotus_small_01-top_over.jpg");

		preloadFlag = true;

	}

}



//these functions hide some layers and show others in a fairly self explanatory way

function hideall()

{

	HideLayer ("instruct");

	HideLayer ("teachers");

	HideLayer ("links");

	HideLayer ("dana");

	HideLayer ("retreat");

	HideLayer ("home");

	HideLayer ("reading");

	HideLayer ("schedule");

 }

function showinstruct()

 {

	ShowLayer ("instruct");

	HideLayer ("teachers");

	HideLayer ("links");

	HideLayer ("dana");

	HideLayer ("retreat");

	HideLayer ("home");

	HideLayer ("reading");

	HideLayer ("schedule");

 }

 

 function showhome()

 {

	ShowLayer ("home");

	HideLayer ("teachers");

	HideLayer ("links");

	HideLayer ("dana");

	HideLayer ("retreat");

	HideLayer ("instruct");

	HideLayer ("reading");

	HideLayer ("schedule");

 }

 

 function showreading()

 {

	ShowLayer ("reading");

	HideLayer ("teachers");

	HideLayer ("links");

	HideLayer ("dana");

	HideLayer ("retreat");

	HideLayer ("instruct");

	HideLayer ("home");

	HideLayer ("schedule");

 }

 

function showschedule()

 {

	ShowLayer ("schedule");

	HideLayer ("teachers");

	HideLayer ("links");

	HideLayer ("dana");

	HideLayer ("retreat");

	HideLayer ("reading");

	HideLayer ("instruct");

	HideLayer ("home");

 }



function showretreat()

 {

	ShowLayer ("retreat");

	HideLayer ("teachers");

	HideLayer ("links");

	HideLayer ("dana");

	HideLayer ("schedule");

	HideLayer ("reading");

	HideLayer ("instruct");

	HideLayer ("home");

 }



function showdana()

 {

	ShowLayer ("dana");

	HideLayer ("teachers");

	HideLayer ("links");

	HideLayer ("retreat");

	HideLayer ("schedule");

	HideLayer ("reading");

	HideLayer ("instruct");

	HideLayer ("home");

 }



function showlinks()

 {

	ShowLayer ("links");

	HideLayer ("teachers");

	HideLayer ("dana");

	HideLayer ("retreat");

	HideLayer ("schedule");

	HideLayer ("reading");

	HideLayer ("instruct");

	HideLayer ("home");

 }



function showteachers()

 {

	ShowLayer ("teachers");

	HideLayer ("links");

	HideLayer ("dana");

	HideLayer ("retreat");

	HideLayer ("schedule");

	HideLayer ("reading");

	HideLayer ("instruct");

	HideLayer ("home");

 }

	

function HideLayer(layerName){

// hide the specified layer

   if(document.layers)	   //NN4+
    {
       document.layers[layerName].visibility = "hide";
    }
    else if(document.getElementById)	  //gecko(NN6) + IE 5+
    {
        var obj = document.getElementById(layerName);
        obj.style.visibility = "hidden";
    }
    else if(document.all)	// IE 4
    {
        document.all[layerName].style.visibility =  "hidden";
    }

}
function newImage(arg) {

	if (document.images) {

		rslt = new Image();

		rslt.src = arg;

		return rslt;

	}

}



function changeImages() {

	if (document.images && (preloadFlag == true)) {

		for (var i=0; i<changeImages.arguments.length; i+=2) {

			document[changeImages.arguments[i]].src = changeImages.arguments[i+1];

		}

	}

}



var preloadFlag = false;

function preloadImages() {

	if (document.images) {

		lotus_small_01_top_left_over = newImage("../images/lotus_small_01-top_left_ove.jpg");

		lotus_small_01_left_over = newImage("../images/lotus_small_01-left_over.jpg");

		lotus_small_01_bottom_left_over = newImage("../images/lotus_small_01-bottom_left_.jpg");

		lotus_small_01_bottom_over = newImage("../images/lotus_small_01-bottom_over.jpg");

		lotus_small_01_right_over = newImage("../images/lotus_small_01-right_over.jpg");

		lotus_small_01_bottom_right_over = newImage("../images/lotus_small_01-bottom_right.jpg");

		lotus_small_01_top_right_over = newImage("../images/lotus_small_01-top_right_ov.jpg");

		lotus_small_01_top_over = newImage("../images/lotus_small_01-top_over.jpg");

		preloadFlag = true;

	}

}



//these functions hide some layers and show others in a fairly self explanatory way

function hideall()

{

	HideLayer ("instruct");

	HideLayer ("teachers");

	HideLayer ("links");

	HideLayer ("dana");

	HideLayer ("retreat");

	HideLayer ("home");

	HideLayer ("reading");

	HideLayer ("schedule");

 }

function showinstruct()

 {

	ShowLayer ("instruct");

	HideLayer ("teachers");

	HideLayer ("links");

	HideLayer ("dana");

	HideLayer ("retreat");

	HideLayer ("home");

	HideLayer ("reading");

	HideLayer ("schedule");

 }

 

 function showhome()

 {

	ShowLayer ("home");

	HideLayer ("teachers");

	HideLayer ("links");

	HideLayer ("dana");

	HideLayer ("retreat");

	HideLayer ("instruct");

	HideLayer ("reading");

	HideLayer ("schedule");

 }

 

 function showreading()

 {

	ShowLayer ("reading");

	HideLayer ("teachers");

	HideLayer ("links");

	HideLayer ("dana");

	HideLayer ("retreat");

	HideLayer ("instruct");

	HideLayer ("home");

	HideLayer ("schedule");

 }

 

function showschedule()

 {

	ShowLayer ("schedule");

	HideLayer ("teachers");

	HideLayer ("links");

	HideLayer ("dana");

	HideLayer ("retreat");

	HideLayer ("reading");

	HideLayer ("instruct");

	HideLayer ("home");

 }



function showretreat()

 {

	ShowLayer ("retreat");

	HideLayer ("teachers");

	HideLayer ("links");

	HideLayer ("dana");

	HideLayer ("schedule");

	HideLayer ("reading");

	HideLayer ("instruct");

	HideLayer ("home");

 }



function showdana()

 {

	ShowLayer ("dana");

	HideLayer ("teachers");

	HideLayer ("links");

	HideLayer ("retreat");

	HideLayer ("schedule");

	HideLayer ("reading");

	HideLayer ("instruct");

	HideLayer ("home");

 }



function showlinks()

 {

	ShowLayer ("links");

	HideLayer ("teachers");

	HideLayer ("dana");

	HideLayer ("retreat");

	HideLayer ("schedule");

	HideLayer ("reading");

	HideLayer ("instruct");

	HideLayer ("home");

 }



function showteachers()

 {

	ShowLayer ("teachers");

	HideLayer ("links");

	HideLayer ("dana");

	HideLayer ("retreat");

	HideLayer ("schedule");

	HideLayer ("reading");

	HideLayer ("instruct");

	HideLayer ("home");

 }