var dom = document.getElementById?1:0;
var ns4 = document.layers?1:0;
function showMenu(name,number) {
	var groups = 11;
	for (count = 1; count <= groups; count++) {
		var content = name + count;
		var active = name + number;
		var higligt = 'main' + number;
		var nohigligt = 'main' + count;

		if(content == active) {
			document.getElementById(higligt).style.backgroundColor = 'transparent' 
			document.getElementById(active).style.visibility = 'visible';
			document.getElementById(active).style.display = 'block';
			document.getElementById(active).onmouseover = clearShut;
			document.getElementById(active).onmouseout = setShut;
			hideSelects();
	  	}else {
			document.getElementById(nohigligt).style.backgroundColor = 'transparent';   
			document.getElementById(content).style.visibility = 'hidden';
			document.getElementById(content).style.display = 'none';
		}
	}
	first = name, sec = number;
	clearShut();
}


function setShut() { 
	timer = setTimeout("shut(first,sec)", 500);
}

function clearShut() {
	if(window.timer){
		clearTimeout(timer);
	}
}

function shut(first,sec) {
	var active = first + sec;
	document.getElementById(active).style.visibility = 'hidden';
	document.getElementById(active).style.display = 'none';
	showSelect()
}

function hideSelects() {
	var i;
	var aSelects = document.getElementsByTagName( 'SELECT' );
	
	for ( var i = 0 ; i < aSelects.length ; i++ )
	{
		if (aSelects[i].offsetParent.offsetTop < 200) {
			aSelects[i].style.visibility = 'hidden'
		}
	}
}

function showSelect() {
	var i;
	var aSelects = document.getElementsByTagName( 'SELECT' );

	for ( var i = 0 ; i < aSelects.length ; i++ )
	{
		aSelects[i].style.visibility = 'visible'
	}
}