// var menu_items = ['110', '111', '112'];

var menu_items = ['110'];

function show_submenu(id,el){
	for (var i = 0; i < menu_items.length; i++){
		document.getElementById('cont_'+ menu_items[i]).className = '';
	}
	el.className = 'selected active';
	if(!window.XMLHttpRequest){
		var parentEl = el.parentNode;
		var menuEl = document.getElementById('submenu_'+id);
		var newIframe = document.createElement('iframe');
		var oHeight = menuEl.offsetHeight;
		var oWidth = menuEl.offsetWidth;
		var oLeft = menuEl.offsetLeft;
		var oTop = menuEl.offsetTop;
		newIframe.src = "javascript:;";
//		alert(oHeight+' '+oWidth+' '+oTop+' '+oLeft);
		newIframe.scrolling= "no";
		newIframe.frameBorder = "0";
		newIframe.id = "iframe_"+id;
		parentEl.insertBefore(newIframe,el);
		newIframe.style.position = 'absolute';
		newIframe.style.border = 'none';
		newIframe.style.display = 'block';
		newIframe.style.zIndex = '0';
		newIframe.style.width = oWidth+'px';
		newIframe.style.height = oHeight+'px';
		newIframe.style.top = oTop+'px';
		newIframe.style.left = oLeft+'px';
	}
}

function hide_submenu(id,el){

	for (var i = 0; i < menu_items.length; i++){
		if(!window.XMLHttpRequest){
			if(document.getElementById('iframe_'+menu_items[i])){
				var newIframe = document.getElementById('iframe_'+menu_items[i]);
				newIframe.parentNode.removeChild(newIframe);
			}
		}
		document.getElementById('cont_'+menu_items[i]).className = '';
	}
	if(typeof(default_item) != 'undefined'){
		document.getElementById('cont_'+default_item).className = 'selected';
	}
}