var tdWidth = new Number();
var timeoutID;


function clearTimeoutHideSubMenuTimeOut(){
	try{
		if(timeoutID) clearTimeout(timeoutID);
	}catch(e){
		alert("clearTimeoutHideSubMenuTimeOut.err = " + e.message);
	}
}

function hideSubMenuTimeOut(){
	try{
		clearTimeoutHideSubMenuTimeOut();
		timeoutID=window.setTimeout("hideSubMenu();",1000);
	}catch(e){
		alert("hideSubMenuTimeOut.err = " + e.message);	
	}
}

function hideSubMenu(){
	document.getElementById("submenuArea").innerHTML = "";
	clearTimeoutHideSubMenuTimeOut();
}

function displaySubMenus(menuId){
	try{
		//alert("displaySubMenus:hideSubMenuTimeOut = " + hideSubMenuTimeOut);
		clearTimeoutHideSubMenuTimeOut();
		var str = new String();
		var numOfSubMenus = menus[menuId].length-1;
		var i;
		var leftMargin = (menuId-1)*tdWidth;
		
		str =	"<table cellpadding='0' cellspacing='0'";
		str +=		" onmouseover='clearTimeoutHideSubMenuTimeOut();' onmouseout='hideSubMenuTimeOut();'";
		str +=		" style='padding:4px;margin-left:" + leftMargin + "px;width:"+ tdWidth;
		str +=		"px;background-color:#eeeeee;border:solid #999999 1px'>";
		str +=		"<tr><td>";
		
		for(i=1; i<=numOfSubMenus; i++){
			str +=	"<a href='" + menusURL[menuId][i] + "' class='link1'>" + menus[menuId][i] + "</a><br />";
		}
		
		str +=		"</td></tr>";
		str +=	"</table>";
		
		document.getElementById("submenuArea").innerHTML = str;
		
	}catch(e){
		alert("displaySubMenus.err: " + e.message);	
	}
}

function changeLocation(newUrl){
	try{
		var fileName = new String(window.location.href);	
		var domainPath = fileName.substr(0,(fileName.lastIndexOf("/")+1));//"http://www. ... .com/";
		
		window.location.href = domainPath + newUrl;
	}catch(e){
		alert("changeLocation.err: "+e.message);	
	}
}

function getMenu(selected){
	try{
		var str = new String("");
		var i;
		var exactMenuWidth = estimateMenuWidth;	//declared in const.js
		var pageUrl = new String();
		tdWidth = estimateMenuWidth / level1MenuItems;
		exactMenuWidth = tdWidth * level1MenuItems;
		
		str += "<div align='right' style='padding-right:30px;padding-bottom:25px;font-size:9px;'><a href='index.htm'>Home</a></div>";
		
		str += "<table cellpadding='0' cellspacing='0' border='0' style='width:"+ exactMenuWidth +"px' class='menuTable'>";
		str +=	"<tr>";
		
		for(i=1; i<=level1MenuItems; i++){
			str += "<td id='menuId"+i+"' style='width:"+ tdWidth +"px;text-align:center;cursor:pointer;";
			if(i == selected){	// selected menu
				str += "color:#e9b136;";	//' >" + menus[i][0] + "</td>";
			}	//else{
			if(menusURL[i][0] == ""){	// this menu has subMenus: onmouseover(displaySubMenu());
				str +=		"' onmouseover='displaySubMenus(" + i + ")' ";
				str +=		" onmouseout='hideSubMenuTimeOut()'>" + menus[i][0] + "</td>";
			}else{	// this menu doesn't have submenus: onclick(...)
				pageUrl = menusURL[i][0];
				str +=		"' onclick='changeLocation(\"" + pageUrl + "\")'>" + menus[i][0]+ "</td>";
			}	
			//}
		}
		
		str +=		"</tr>";
		str +=	"</table>";
		
		return str;
	}catch(e){
		alert("getMenu.Err: "+e.message);
	}
}