var isNav4 = false;
var isNav6 = false;
var isIE4 = false;
var timerIDHi = 0;
var timerIDHi2 = 0;
var timerIDClose = 0;
var lastMenuNum = 0;
var activeMenuNum = 0;
var status = 0;
var subHiColor="990033";
var subdeHiColor="0000FF";
var linksInfo = new Array();
var pageLoaded = false;

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_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_findObj(n, d) { //v3.0
  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); return x;
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}

function checkBrowser()
{
      var browserVer = parseInt(navigator.appVersion); 
	if (parseInt(navigator.appVersion) >= 4) {
		if (navigator.appName == "Netscape") {
                  if (browserVer < 5) {
				isNav4 = true;
			} else {
				isNav6 = true;
			};
		} else if (navigator.appVersion.indexOf("MSIE") != -1) {
			isIE4 = true;
		}
	}
}

function init() {
	var loc = new String(document.location);
	var pos = loc.lastIndexOf("/");
	var page = new String(loc.substr(pos + 1));

	pageLoaded = true;

	pos = page.toLowerCase().lastIndexOf(".html");
	page = page.substr(0, pos + 5).toLowerCase();

	activeMenuNum="0";
	switch(page.substr(0, 3)) {
		case "abo":
			activeMenuNum="1";
			hiMenu(activeMenuNum);
			break;
		case "mis":
			activeMenuNum="2";
			hiMenu(activeMenuNum);
			break;
		case "wha":
			activeMenuNum="3";
			hiMenu(activeMenuNum);
			break;
		case "buy":
			activeMenuNum="4";
			hiMenu(activeMenuNum);
			break;
		case "tea":
			activeMenuNum="5";
			hiMenu(activeMenuNum);
			break;
		case "new":
			activeMenuNum="6";
			hiMenu(activeMenuNum);
			break;
	};

	if (isIE4) {
		document.all.subMenu1.style.visibility="hidden";
		document.all.subMenu2.style.visibility="hidden";
		document.all.subMenu3.style.visibility="hidden";
		document.all.subMenu4.style.visibility="hidden";
		document.all.subMenu5.style.visibility="hidden";
		document.all.subMenu6.style.visibility="hidden";
	} else {
		if (isNav6) {
			var topVal = new String("");
			parent.document.getElementById("subMenu1").style.visibility = 'hidden';
			parent.document.getElementById("subMenu2").style.visibility = 'hidden';
			parent.document.getElementById("subMenu3").style.visibility = 'hidden';
			parent.document.getElementById("subMenu4").style.visibility = 'hidden';
			parent.document.getElementById("subMenu5").style.visibility = 'hidden';
			parent.document.getElementById("subMenu6").style.visibility = 'hidden';

			topVal = parent.document.getElementById("subMenu1").style.top;
			topVal = (topVal.substr(0, topVal.length-2) - 0) + "px";                     //3
			parent.document.getElementById("subMenu1").style.top = topVal;
			parent.document.getElementById("subMenu2").style.top = topVal;
			parent.document.getElementById("subMenu3").style.top = topVal;
			parent.document.getElementById("subMenu4").style.top = topVal;
			parent.document.getElementById("subMenu5").style.top = topVal;
			parent.document.getElementById("subMenu6").style.top = topVal;
		} else { 
			document.subMenu1.visibility='hide';
			document.subMenu2.visibility='hide';
			document.subMenu3.visibility='hide';
			document.subMenu4.visibility='hide';
			document.subMenu5.visibility='hide';
			document.subMenu6.visibility='hide';
//  			document.subMenu1.top=document.subMenu1.top - 8;                            //8
//			document.subMenu2.top=document.subMenu2.top - 8;
//			document.subMenu3.top=document.subMenu3.top - 8;
//			document.subMenu4.top=document.subMenu4.top - 8;
//			document.subMenu5.top=document.subMenu5.top - 8;
		};
	};
}

function mouseOut (menuNum) {
	lastMenuNum = menuNum;
	timerIDHi = setTimeout("dehiMenu('" + menuNum + "');if (activeMenuNum > 0){hiMenu(activeMenuNum)}", 50);
 	timerIDClose = setTimeout("hideSubMenu('" + menuNum + "')", 50);
}

function mouseOver (menuNum) {
	if (pageLoaded == true) {
		if (lastMenuNum != menuNum) {
			clearInterval(timerIDHi);
			if (lastMenuNum != activeMenuNum)
				dehiMenu(lastMenuNum);
		}
		if (activeMenuNum > 0)
			dehiMenu(activeMenuNum);
		hiOpenMenu(menuNum);
		dispSubMenu(menuNum);
	} else {
		timerIDHi = setTimeout("mouseOver('" + menuNum + "')", 50);
	}
}

function dehiMenu (menuNum) {
	MM_swapImage('tab' + menuNum,'','../images/nav/nav_top_' + menuNum + '_off.gif',1);
}

function dehi2Menu (menuNum) {
	MM_swapImage('tab' + menuNum,'','../images/nav/nav_top_' + menuNum + '_off.gif',1);
}

function hiMenu (menuNum) {
	if (activeMenuNum == menuNum)
	{
		MM_swapImage('tab' + menuNum,'','../images/nav/nav_top_' + menuNum + '_on.gif',1);
	} else {
		MM_swapImage('tab' + menuNum,'','../images/nav/nav_top_' + menuNum + '_on.gif',1);
	}
}

function hiOpenMenu (menuNum) {
	if (activeMenuNum == menuNum)
	{
		MM_swapImage('tab' + menuNum,'','../images/nav/nav_top_' + menuNum + '_on.gif',1);
	} else {
		MM_swapImage('tab' + menuNum,'','../images/nav/nav_top_' + menuNum + '_on.gif',1);
	}
}

function subMouseOut (menuNum, subMenuNum) {
	subdeHi (menuNum, subMenuNum);
	timerIDHi = setTimeout("dehiMenu('" + menuNum + "');if (activeMenuNum > 0){hiMenu(activeMenuNum)}", 50);
	timerIDClose = setTimeout("hideSubMenu('" + menuNum + "')", 50);
}

function subMouseOver (menuNum, subMenuNum) {
	if (timerIDHi > 0)
	{
		clearInterval(timerIDHi);
	}
	if (timerIDClose > 0) 
	{
		clearInterval(timerIDClose);
	};
	subHi (menuNum, subMenuNum);
}

function subHi (menuNum, subMenuNum) {
	MM_swapImage('sub' + menuNum + '_' + subMenuNum,'','../images/nav/nav_top_' + menuNum + '_' + subMenuNum + '_on.gif',1);
}

function subdeHi (menuNum, subMenuNum) {
	MM_swapImage('sub' + menuNum + '_' + subMenuNum,'','../images/nav/nav_top_' + menuNum + '_' + subMenuNum + '_off.gif',1);
}
function topPos(obj) { 
	return doPosLoop(obj, "Top"); 
} 
function leftPos(obj) { 
	return doPosLoop(obj, "Left"); 
} 
function doPosLoop(obj, val) { 
	var temp = obj; 
	if (isIE4||isNav6) {
		var x = eval("temp.offset" + val); 
	} else {
		if (val == "Top") {
			var x = eval("temp.y"); 
		} else {
			var x = eval("temp.y"); 
		};
	};
	while ((temp.tagName!="BODY") && (temp.offsetParent.style.position != "absolute")) { 
		temp = temp.offsetParent; x += eval("temp.offset" + val); 
	} 
	return x; 
} 

function dispSubMenu (menuNum) {
      var layerObj, imgShift, tabObj;
      if (isIE4) {
         layerObj=eval('document.all.subMenu' + menuNum);
         tabObj=eval('document.all.tab' + menuNum);
      } else if (isNav4) {
         layerObj=eval('document.subMenu' + menuNum); 
         tabObj=eval('document.tab' + menuNum);
      } else {
         layerObj=parent.document.getElementById("subMenu" + menuNum); 
         tabObj=document.getElementById("tab" + menuNum);
      }   
	if (lastMenuNum==menuNum) 
	{
		if (timerIDHi > 0)
			clearInterval(timerIDHi);

		if (timerIDClose > 0)
			clearInterval(timerIDClose);
	}
	switch (menuNum) 
	{
		case "1":
	 		imgShift = 0;
			break;
		case "2":
			if (isIE4) {
	 			imgShift = 0;
			} else {
	 			imgShift = 0;
			};
			break;
		case "3":
	 		imgShift = 0;
			break;
		case "4":
	 		imgShift = 0;
			break;
		case "5":
	 		imgShift = 0;
			break;
		case "6":
	 		imgShift = 0;
			break;
			
	};

	if (isIE4||isNav6) {
		xpos=leftPos(tabObj);
 		layerObj.style.left = xpos + imgShift;
		layerObj.style.visibility="visible";
	} else {
		xpos=tabObj.x;
 		layerObj.left = xpos + imgShift;
		layerObj.visibility="show";
      }   
}

function hideSubMenu (menuNum) {
      var layerObj;

      if (isIE4) {
         layerObj=eval('document.all.subMenu' + menuNum);
      } else if (isNav4) {
         layerObj=eval('document.subMenu' + menuNum); 
      } else {
         layerObj=parent.document.getElementById("subMenu" + menuNum); 
      }   
	if (isIE4||isNav6) {
		layerObj.style.visibility="hidden";
	} else {
		layerObj.visibility="hide";
	}
}