var isDOM = (document.getElementById ? true : false); 
	var isIE4 = ((document.all && !isDOM) ? true : false);
	var isNS4 = (document.layers ? true : false);
	
	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);
	} 

   var popTimer = 0;
   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) {
   	  	  itemArray = new Array(menu.length);
		  while(1) {
		  		   itemArray[menuNum] = itemNum;
				   if (menuNum == 0) return itemArray;
				   itemNum = menu[menuNum][0].parentItem;
				   menuNum = menu[menuNum][0].parentMenu;
   		}
    }

	function changeCol(changeArray, isOver) {
			 for (menuCount = 0; menuCount < changeArray.length; menuCount++) {
    			 if (changeArray[menuCount]) {
    			 	newCol = isOver ? menu[menuCount][0].overCol : menu[menuCount][0].backCol;
    				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);
	}

	function Menu(isVert, popInd, x, y, width, overCol, backCol, borderClass, textClass) {
			 this.isVert = isVert;
			 this.popInd = popInd
			 this.x = x;
			 this.y = y;
			 this.width = width;
			 this.overCol = overCol;
			 this.backCol = backCol;
			 this.borderClass = borderClass;
			 this.textClass = textClass;
			 this.parentMenu = null;
			 this.parentItem = null;
			 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;
			 this.ref = null;
	}

	function writeMenus() {
			 if (!isDOM && !isIE4 && !isNS4) return;
			 for (currMenu = 0; currMenu < menu.length; currMenu++) with (menu[currMenu][0]) {
			 	 var str = '', itemX = 0, itemY = 0;
				 for (currItem = 1; currItem < menu[currMenu].length; currItem++) with (menu[currMenu][currItem]) {
				 	 var itemID = 'menu' + currMenu + 'item' + currItem;
					 var w = (isVert ? width : length);
					 var h = (isVert ? length : width);
					 if (isDOM || isIE4) {
					 	str += '<div id="' + itemID + '" style="position: absolute; z-index: 99; 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 + '" ';
			 		str += 'onMouseOver="popOver(' + currMenu + ',' + currItem + ')" onMouseOut="popOut(' + currMenu + ',' + currItem + ')">';
			 		str += '<table width="' + (w - 8) + '" border="0" cellspacing="0" cellpadding="' + (!isNS4 && borderClass ? 3 : 0) + '"><tr onclick=a' + itemID + '.click()><td align="left" height="' + (h - 7) + '">' + '<a ID=a' + itemID + ' class="' + textClass + '" href="' + href + '"' + (frame ? ' target="' + frame + '">' : '>') + text + '</a></td>';
			 		if (target > 0) {
			 		   menu[target][0].parentMenu = currMenu;
					   menu[target][0].parentItem = currItem;
					   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';
			}
			
			if (isIE4) {
			   document.body.insertAdjacentHTML('beforeEnd', '<div id="menu' + currMenu + 'div" ' + 'style="position: absolute; z-index: 99; visibility: hidden">' + str + '</div>');
			   ref = getSty('menu' + currMenu + 'div');
			}

			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';
   			}
		}


var menu = new Array();

var popOldWidth = window.innerWidth;

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

if (isNS4) document.captureEvents(Event.CLICK);
document.onclick = clickHandle;

function clickHandle(evt) {
 		 if (isNS4) document.routeEvent(evt);
		 hideAllBut(0);
}


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