stdBrowser = (document.getElementById)?true:false;

function ShowMenu (id,flag){
	if (stdBrowser){
		var elem = document.getElementById('m' + id);
		var tmp_el = elem;		
		var left = 0;
		var top = 5;
		var offset_td_cell = 20;
		
		var browser_type = navigator.userAgent;
		
		if (browser_type.search("MSIE") == -1){
			while (tmp_el.parentNode != document){
				tmp_el = tmp_el.parentNode;
				if (tmp_el.tagName != "TR"){
					top += tmp_el.offsetTop;
				}
			}

			top += offset_td_cell;
			left = elem.parentNode.offsetLeft;			
		}else{
			while (tmp_el.parentElement != null){
				tmp_el = tmp_el.parentElement;
				if (tmp_el.tagName != "TR"){
					top += tmp_el.offsetTop;
				}
			}

			top += offset_td_cell;
			left = elem.parentElement.offsetLeft;			
		}
		
		if (flag)
		{
			elem.style.left = left;
			elem.style.top = top;
			elem.style.visibility = 'visible';
		}
	}	
}

function HideMenu (id){
	if (stdBrowser){
		var elem = document.getElementById('m' + id);
		elem.style.visibility = 'hidden';
	}
}