var isDOM = (document.getElementById ? true : false); 

var isIE4 = ((document.all && !isDOM) ? true : false);

var isNS4 = (document.layers ? true : false);



var browserName = navigator.appName;



function getRef(id) {

if (isDOM) return document.getElementById(id);

if (isIE4) return document.all[id];

if (isNS4) return document.layers[id];

}

function getSty(id) {

return (isNS4 ? getRef(id) : getRef(id).style);

} 

// Hide timeout.

var popTimer = 0;

// Array showing highlighted menu items.

var litNow = new Array();

function popOver(menuNum, itemNum) {

clearTimeout(popTimer);

hideAllBut(menuNum);

litNow = getTree(menuNum, itemNum);

changeCol(litNow, true);

targetNum = menu[menuNum][itemNum].target;

if (targetNum > 0) {

thisX = parseInt(menu[menuNum][0].ref.left) + parseInt(menu[menuNum][itemNum].ref.left);

thisY = parseInt(menu[menuNum][0].ref.top) + parseInt(menu[menuNum][itemNum].ref.top);

with (menu[targetNum][0].ref) {

left = parseInt(thisX + menu[targetNum][0].x);

top = parseInt(thisY + menu[targetNum][0].y);

visibility = 'visible';

      }

   }

}

function popOut(menuNum, itemNum) {

if ((menuNum == 0) && !menu[menuNum][itemNum].target)

hideAllBut(0)

else

popTimer = setTimeout('hideAllBut(0)', 500);

}

function getTree(menuNum, itemNum) {



// Array index is the menu number. The contents are null (if that menu is not a parent)

// or the item number in that menu that is an ancestor (to light it up).

itemArray = new Array(menu.length);



while(1) {

itemArray[menuNum] = itemNum;

// If we've reached the top of the hierarchy, return.

if (menuNum == 0) return itemArray;

itemNum = menu[menuNum][0].parentItem;

menuNum = menu[menuNum][0].parentMenu;

   }

}



// Pass an array and a boolean to specify colour change, true = over colour.

function changeCol(changeArray, isOver) {

for (menuCount = 0; menuCount < changeArray.length; menuCount++) {

if (changeArray[menuCount]) {

newCol = isOver ? menu[menuCount][0].overCol : menu[menuCount][0].backCol;

// Change the colours of the div/layer background.

with (menu[menuCount][changeArray[menuCount]].ref) {

if (isNS4) bgColor = newCol;

else backgroundColor = newCol;

         }

      }

   }

}

function hideAllBut(menuNum) {

var keepMenus = getTree(menuNum, 1);

for (count = 0; count < menu.length; count++)

if (!keepMenus[count])

menu[count][0].ref.visibility = 'hidden';

changeCol(litNow, false);

}



// *** MENU CONSTRUCTION FUNCTIONS ***



function Menu(isVert, popInd, x, y, width, overCol, backCol, borderClass, textClass) {

// True or false - a vertical menu?

this.isVert = isVert;

// The popout indicator used (if any) for this menu.

this.popInd = popInd

// Position and size settings.

this.x = x;

this.y = y;

this.width = width;

// Colours of menu and items.

this.overCol = overCol;

this.backCol = backCol;

// The stylesheet class used for item borders and the text within items.

this.borderClass = borderClass;

this.textClass = textClass;

// Parent menu and item numbers, indexed later.

this.parentMenu = null;

this.parentItem = null;

// Reference to the object's style properties (set later).

this.ref = null;

}



function Item(text, href, frame, length, spacing, target) {

this.text = text;

this.href = href;

this.frame = frame;

this.length = length;

this.spacing = spacing;

this.target = target;

// Reference to the object's style properties (set later).

this.ref = null;

}



function writeMenus() {

if (!isDOM && !isIE4 && !isNS4) return;



for (currMenu = 0; currMenu < menu.length; currMenu++) with (menu[currMenu][0]) {

// Variable for holding HTML for items and positions of next item.

var str = '', itemX = 0, itemY = 0;



// Remember, items start from 1 in the array (0 is menu object itself, above).

// Also use properties of each item nested in the other with() for construction.

for (currItem = 1; currItem < menu[currMenu].length; currItem++) with (menu[currMenu][currItem]) {

var itemID = 'menu' + currMenu + 'item' + currItem;



// The width and height of the menu item - dependent on orientation!

var w = (isVert ? width : length);

var h = (isVert ? length : width);



// Create a div or layer text string with appropriate styles/properties.

// Thanks to Paul Maden (www.paulmaden.com) for helping debug this in IE4, apparently

// the width must be a miniumum of 3 for it to work in that browser.

if (isDOM || isIE4) {

str += '<div id="' + itemID + '" style="position: absolute; left: ' + itemX + '; top: ' + itemY + '; width: ' + w + '; height: ' + h + '; visibility: inherit; ';

if (backCol) str += 'background: ' + backCol + '; ';

str += '" ';

}

if (isNS4) {

str += '<layer id="' + itemID + '" left="' + itemX + '" top="' + itemY + '" width="' +  w + '" height="' + h + '" visibility="inherit" ';

if (backCol) str += 'bgcolor="' + backCol + '" ';

}

if (borderClass) str += 'class="' + borderClass + '" ';



// Add mouseover handlers and finish div/layer.

str += 'onMouseOver="popOver(' + currMenu + ',' + currItem + ')" onMouseOut="popOut(' + currMenu + ',' + currItem + ')">';



// Add contents of item (default: table with link inside).

// In IE/NS6+, add padding if there's a border to emulate NS4's layer padding.

// If a target frame is specified, also add that to the <a> tag.



str += '<table width="' + (w - 8) + '" border="0" cellspacing="0" cellpadding="' + (!isNS4 && borderClass ? 3 : 0) + '"><tr><td align="left" height="' + (h - 7) + '">' + '<a class="' + textClass + '" href="' + href + '"' + (frame ? ' target="' + frame + '">' : '>') + text + '</a></td>';

if (target > 0) {



// Set target's parents to this menu item.

menu[target][0].parentMenu = currMenu;

menu[target][0].parentItem = currItem;



// Add a popout indicator.

if (popInd) str += '<td class="' + textClass + '" align="right">' + popInd + '</td>';

}

str += '</tr></table>' + (isNS4 ? '</layer>' : '</div>');

if (isVert) itemY += length + spacing;

else itemX += length + spacing;

}

if (isDOM) {

var newDiv = document.createElement('div');

document.getElementsByTagName('body').item(0).appendChild(newDiv);

newDiv.innerHTML = str;

ref = newDiv.style;

ref.position = 'absolute';

ref.visibility = 'hidden';

}



// Insert a div tag to the end of the BODY with menu HTML in place for IE4.

if (isIE4) {

document.body.insertAdjacentHTML('beforeEnd', '<div id="menu' + currMenu + 'div" ' + 'style="position: absolute; visibility: hidden">' + str + '</div>');

ref = getSty('menu' + currMenu + 'div');

}



// In NS4, create a reference to a new layer and write the items to it.

if (isNS4) {

ref = new Layer(0);

ref.document.write(str);

ref.document.close();

}



for (currItem = 1; currItem < menu[currMenu].length; currItem++) {

itemName = 'menu' + currMenu + 'item' + currItem;

if (isDOM || isIE4) menu[currMenu][currItem].ref = getSty(itemName);

if (isNS4) menu[currMenu][currItem].ref = ref.document[itemName];

   }

}

with(menu[0][0]) {

ref.left = x;

ref.top = y;

ref.visibility = 'visible';

   }

}



// Syntaxes: *** START EDITING HERE, READ THIS SECTION CAREFULLY! ***

//

// menu[menuNumber][0] = new Menu(Vertical menu? (true/false), 'popout indicator', left, top,

// width, 'mouseover colour', 'background colour', 'border stylesheet', 'text stylesheet');

//

// Left and Top are measured on-the-fly relative to the top-left corner of its trigger, or

// for the root menu, the top-left corner of the page.

//

// menu[menuNumber][itemNumber] = new Item('Text', 'URL', 'target frame', length of menu item,

//  additional spacing to next menu item, number of target menu to popout);

//

// If no target menu (popout) is desired, set it to 0. Likewise, if your site does not use

// frames, pass an empty string as a frame target.

//

// Something that needs explaining - the Vertical Menu setup. You can see most menus below

// are 'true', that is they are vertical, except for the first root menu. The 'length' and

// 'width' of an item depends on its orientation -- length is how long the item runs for in

// the direction of the menu, and width is the lateral dimension of the menu. Just look at

// the examples and tweak the numbers, they'll make sense eventually :).



var menu = new Array();



// Default colours passed to most menu constructors (just passed to functions, not

// a global variable - makes things easier to change later in bulk). Over is mouseover color, Back is sub menu bg color

var defOver = '#FFFFCC', defBack = '#B3D9D9';



// Default 'length' of menu items - item height if menu is vertical, width if horizontal.

var defLength = 22;

// Default 'distTop' set for IE; distance in pixels from top of page.

var distTop = 73;  



if (browserName == "Netscape") distTop = 65;



// Menu 0 is the special, 'root' menu from which everything else arises.

menu[0] = new Array();

// A non-vertical menu with a few different colours and no popout indicator, as an example.

// *** MOVE ROOT MENU AROUND HERE ***  it's positioned at (5, 0) and is 17px high now.

menu[0][0] = new Menu(false, '', 15,distTop, 17, '#FFFFE8', '#FFFFE8', '', 'itemText');

// Notice how the targets are all set to nonzero values...

// The 'length' of each of these items is 40, and there is spacing of 10 to the next item.

// Most of the links are set to '#' hashes, make sure you change them to actual files.

menu[0][1] = new Item('  Home', '../index.htm', '', 40, 10, 0);

menu[0][2] = new Item('  Patterns', '#', '', 60, 15, 1);

menu[0][3] = new Item('  Yarns', '#', '', 40, 10, 2);

menu[0][4] = new Item('  Kids Corner', '../kidscorner/kids.htm', '', 90, 10, 0);

menu[0][5] = new Item('  Learn-To-Knit', '../videoinstr.htm', '', 100, 10, 0);

menu[0][6] = new Item('  HK Shop', '../genst.php', '', 90, 10, 0);



// Pattern menu.

menu[1] = new Array();

// The File menu is positioned 0px across and 22 down from its trigger, and is 80 wide.

// All text in this menu has the stylesheet class 'item' -- see the <style> section above.

// We've passed a 'greater-than' sign '>' as a popout indicator. Try an image...?

menu[1][0] = new Menu(true, '>', 0, 15, 120, defOver, defBack, 'itemBorder', 'itemText');

menu[1][1] = new Item('Felted Purses', '../pursepatterns.htm', '', defLength, 0, 0);

menu[1][2] = new Item('Scarves', '../fall2003/fallwinterscarf.htm', '', defLength, 0, 0);

menu[1][3] = new Item('Hats', '../fall2003/fallwinterhats.htm', '', defLength, 0, 0);

menu[1][4] = new Item('Kids Corner', '../kidscorner/kids.htm', '', defLength, 0, 0);

menu[1][5] = new Item('Cutie Booties', '../booties.htm', '', defLength, 0, 0);

menu[1][6] = new Item('Tank Tops', '../summertanks.htm', '', defLength, 0, 0);

menu[1][7] = new Item('Mini Bags', '../minibag.htm', '', defLength, 0, 0);

menu[1][8] = new Item('Wristlets', '../wristlets.htm', '', defLength, 0, 0);

menu[1][9] = new Item('Knit Kits', '../kits/kit.htm', '', defLength, 0, 0);

menu[1][10] = new Item('Free Patterns', '../freepatterns.htm', '', defLength, 0, 0);

menu[1][11] = new Item('Cozy Patterns', '../patterns/cozypatterns.htm', '', defLength, 0, 0);



// Yarn menu.

menu[2] = new Array();
menu[2][0] = new Menu(true, '>', 0, 22, 130, defOver, defBack, 'itemBorder', 'itemText');
menu[2][1] = new Item('Cascade 220', '../cc220.htm', '', defLength, 0, 0);
menu[2][2] = new Item('Magnum', '../ccmagnum.htm', '', defLength, 0, 0);
menu[2][3] = new Item('Fixation', '../ccfix.htm', '', defLength, 0, 0);
menu[2][4] = new Item('Sierra', '../ccsierra.htm', '', defLength, 0, 0);
menu[2][5] = new Item('Sierra Quattro', '../ccsierraquat.htm', '', defLength, 0, 0);
menu[2][6] = new Item('220 Tweed', '../cctweed220.htm', '', defLength, 0, 0);
menu[2][7] = new Item('Pastaza', '../yarns/ccpastaza.htm', '', defLength, 0, 0);
menu[2][8] = new Item('Ecological Wool', '../ccecowool.htm', '', defLength, 0, 0);
menu[2][9] = new Item('Cloud 9', '../yarns/cloud9.htm', '', defLength, 0, 0);
menu[2][10] = new Item('Malizia', '../yarns/malizia.htm', '', defLength, 0, 0);
menu[2][11] = new Item('Pima Tencel', '../ccten.htm', '', defLength, 0, 0);
menu[2][12] = new Item('Rowan Big Wool', '../rbw.htm', '', defLength, 0, 0);
menu[2][13] = new Item('Eden Bamboo', '../yarns/eden.htm', '', defLength, 0, 0);
// menu[2][10] = new Item('Jazz', '../yarns/jazz.htm', '', defLength, 0, 0);

//
//  Yarns removed from menu - 3/7/05
// menu[2][10] = new Item('Pima Melange', '../ccmel.htm', '', defLength, 0, 0);
// menu[2][11] = new Item('Cotton Rich', '../yarns/cottonrich.htm', '', defLength, 0, 0);
// menu[2][12] = new Item('Superwash Wool', '../yarns/superwash.htm', '', defLength, 0, 0);



// menu[2][3] = new Item('Tweed', '../cctweed220.htm', '', defLength, 0, 0);
// menu[2][7] = new Item('Pastaza', '../yarns/ccpastaza.htm', '', defLength, 0, 0);
//  menu[2][8] = new Item('Indulgence', '../yarns/indulgence.htm', '', defLength, 0, 0);







// Video Menu

// menu[3] = new Array();

// menu[3][0] = new menu(true, '>', 0, 22, 140, defOver, defBack, 'itemBorder', 'itemText');

//  menu[3][1] = new Item('Learn to Knit', '../videoinstr.htm', '', defLength, 0, 0);





// *** OPTIONAL CODE FROM HERE DOWN ***



// These two lines handle the window resize bug in NS4. See <body onResize="...">.

// I recommend you leave this here as otherwise when you resize NS4's width menus are hidden.



var popOldWidth = window.innerWidth;

nsResizeHandler = new Function('if (popOldWidth != window.innerWidth) location.reload()');





// This is a quick snippet that captures all clicks on the document and hides the menus

// every time you click. Use if you want.



if (isNS4) document.captureEvents(Event.CLICK);

document.onclick = clickHandle;



function clickHandle(evt)

{

 if (isNS4) document.routeEvent(evt);

 hideAllBut(0);

}





// This is just the moving command for the example.



function moveRoot()

{

 with(menu[0][0].ref) left = ((parseInt(left) < 100) ? 100 : 5);

}

//  End -->