// JavaScript Document

/************************************
*	This hides an shows a submenu.  *
*	Developer: Anthony Cunningham   *
*	(C) 2005 Kernacopia, LTD        *
*	http://www.kernacopia.com       *
*                                   *
************************************/

function showMenu(triggerId, menuId) {
	
	clearMenu('menuAll');
	
	if (menuId != null) {
		var menu = document.getElementById(menuId);
		var trigger = document.getElementById(triggerId);
		var container = 'body';
		
		//alert(menu.id);
		//alert(trigger.offsetParent);
		//alert(trigger.offsetLeft);
		
			var posX = getPos('x',container,trigger); 
			var posY = getPos('y',container,trigger);
			
			if(document.all) {
				var posOffset = 31;
			} else {
				var posOffset = 16;
			}
			
			if (document.all) {
								
				var newLeft = posX + 10;
				var newTop = posY + posOffset;
			
			} else {
				var newLeft = posX;
				var newTop = posY+posOffset
			}
			
			
			//alert(newTop);
			//alert(newLeft);
			//alert(posOffset);
			
			//alert(posX,posY,posOffset);
				
		menu.style.left = newLeft+'px';
		menu.style.top = newTop+'px';
		menu.style.visibility = 'visible';
	}
}

function getPos(axis,container,obj) {
	var curPos = 0;
	var origin = container;
		
	while (obj.offsetParent && obj.id != origin) {
		if (axis == 'x') {
		
			curPos += obj.offsetLeft;
		} else {
			
			curPos += obj.offsetTop;
		}	
			obj = obj.offsetParent;
	}
	return curPos;
	
}

function hideMenu(menuId) {
	if (menuId != null) {
		 golbalMenu = document.getElementById(menuId);
		setTimeout(clearMenu, 3000);
	} else {
		clearMenu();
	}

}

function clearMenu(menuId) {
		if (document.all) {
			var menus = document.all.tags('div');
		} else {
			var menus = document.getElementsByTagName('div');
		}
		
		for ( var i=0; i< menus.length; i++) {
			
			var div = menus[i];
			
			if (div.parentNode.id == 'menu' && div.id != 'navigation') {
				
				document.getElementById(menus[i].id).style.visibility = 'hidden';
			}
		}
}