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

function X_Link(xlink){
	if (!isNS4){
		location.href = xlink;
	}
}

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;
    }
    return null;
}

function changeCol(changeArray, isOver) {
    for (menuCount = 0; menuCount < changeArray.length; menuCount++) {
        if (changeArray[menuCount]) {
	    if (menu[menuCount][changeArray[menuCount]].active) {
	            newCol = menu[menuCount][0].overCol;
            } else {
                    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, active) {
    this.text = text;
    this.href = href;
    this.frame = frame;
    this.length = length;
    this.spacing = spacing;
    this.target = target;
    this.active = active;
    this.ref = null;
}

function writeMenus() {
    if (!isDOM && !isIE4 && !isNS4) return true;
    
    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 (currMenu==0) {
		    if (isDOM || isIE4) {
		        str += '<div id="' + itemID + '" style="position: absolute; cursor: hand; left: ' + itemX + '; top: ' + itemY + '; width: ' + w + '; height: ' + h + '; visibility: inherit;';
			if (active) {
			   if (overCol) str += 'background: ' + overCol + '; ';
			} else {
		           if (backCol) str += 'background: ' + backCol + '; ';
			}
		        str += '" ';
		    }
		    if (isNS4) {
		        str += '<layer id="' + itemID + '" left="' + itemX + '" top="' + itemY + '" width="' +  w + '" height="' + h + '" visibility="inherit" ';
			if (active) {
			   if (overCol) str += 'bgcolor="' + overCol + '" ';
			} else {
		           if (backCol) str += 'bgcolor="' + backCol + '" ';
			}
		    }
		
		    str += 'onMouseOver="popOver(' + currMenu + ',' + currItem + ')" onMouseOut="popOut(' + currMenu + ',' + currItem + ')">';
		
		    str += '<table width=100% border=0 cellspacing=0 cellpadding=0><tr valign=center><td><img src="/img/design/m_v_line24.gif" width=1 height=24 border=0></td><td align="center" onclick="X_Link(\'' + href + '\');" width=100%';
		    if (borderClass) str += ' class="' + borderClass + '"';
		    str += '><a 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>');
		}            
		else {
		
		    
		    if (isDOM || isIE4) {
		        str += '<div id="' + itemID + '" style="position: absolute; cursor: hand; left: ' + (itemX+1) + '; top: ' + (itemY+1) + '; width: ' + w + '; height: ' + h + '; visibility: inherit;';
			if (active) {
			   if (overCol) str += 'background: ' + overCol + '; ';
			} else {
		           if (backCol) str += 'background: ' + backCol + '; ';
			}
		        str += '" ';
		    }
		    if (isNS4) {
		        str += '<layer id="' + itemID + '" left="' + (itemX+1) + '" top="' + (itemY+1) + '" width="' +  w + '" height="' + h + '" visibility="inherit" ';
			if (active) {
			   if (overCol) str += 'bgcolor="' + overCol + '" ';
			} else {
		           if (backCol) str += 'bgcolor="' + backCol + '" ';
			}
		    }
		
		    str += 'onMouseOver="popOver(' + currMenu + ',' + currItem + ')" onMouseOut="popOut(' + currMenu + ',' + currItem + ')">';
		
		    str += '<table border=0 cellpadding=4 cellspacing=0 width=100%><tr><td OnClick="X_Link(\'' + href + '\');"><font';
		    if (borderClass) str += ' class="' + borderClass + '"';
		    str += '><a class="' + textClass + '" href="' + href + '"' + (frame ? ' target="' + frame + '">' : '>') + text + '</a></font></td></tr>';
		    
		    if (target > 0) {
		        menu[target][0].parentMenu = currMenu;
		        menu[target][0].parentItem = currItem;
		        if (popInd) str += '<td class="' + textClass + '" align="right">' + popInd + '</td>';
		    }
//		    if (currItem == menu[currMenu].length-1) str += '</table>';
		    if (currItem != menu[currMenu].length-1) str += '<tr><td background="/img/design/m_h_line.gif" bgcolor="EAEAEA"><img src="/img/design/sp.gif" width=1 height=1 border=0></td></tr>';
		    str += '</table>' + (isNS4 ? '</layer>' : '</div>');
            	}
  	          
            
            if (isVert) itemY += length + spacing;
            else itemX += length + spacing;
        }
        
        if (currMenu!=0 && menu[currMenu].length != 1) str='<table border=0 cellpadding=1 cellspacing=0><tr><td background="/img/design/bg_down_menu2.gif"><img src="/img/design/sp.gif" width='+width+' height='+(itemY-1)+'></td></tr></table>'+str;
        
        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; 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';
    }
    
	for (var menuNum = 0; menuNum < menu.length; menuNum++)
	    for (var itemNum = 1; itemNum < menu[menuNum].length; itemNum++) {
	        var 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);
                    }
                }
            } 
    return true;
}

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