var maxSubMenu = 2;
	var a=null;
	
	function getObj( name ) {
		if ( document.getElementById) return document.getElementById( name );
		else if (document.all) return document.all( name );
  		else return null;
	}

	function showSubMenu( num ) {
		for ( var i=1; i<maxSubMenu+1; i++) { hideSubMenu(i); }
		var menu = getObj("menuTopSub"+num);
		menu.style.display = 'block'; 
		clearInterval( a);
	}

	function hideSubMenu( num ) {
		var menu = getObj("menuTopSub"+num);
		menu.style.display = 'none'; 
		clearInterval( a);
	}

	function hideSubMenus( ) {
		for (var i=1; i<3;i++) {
			var menu = getObj("menuTopSub"+i);
			menu.style.display = 'none';
		}
		//if (a ) {
			clearInterval( a);
		//}
	}

	function SethideSubMenus( ) { 
		clearInterval( a);
		a = setInterval( hideSubMenus, 1000);
	}
	function SetHeight() {
		
	}
	
	//onload = SetHeight();
	//onresize = SetHeight();