// JavaScript Document
function showMenu(id){

	document.getElementById(id).style.display="block";
	var obj=document.getElementById(id);
	var myTop=obj.offsetTop;
	if(obj.x){
		myTop=obj.x;
	}else if(obj.offsetParent){
		while(obj.offsetParent){
			myTop+=obj.offsetTop;
			obj=obj.offsetParent;
		}
	}
	var myAllHeight=myTop+document.getElementById(id).offsetHeight-document.documentElement.scrollTop;
	var myClientHeight=document.documentElement.clientHeight;
	
	if(myAllHeight>myClientHeight){
		document.getElementById(id).style.top=-(document.getElementById(id).offsetHeight-25)+"px";
	}
}

function hiddenMenu(id){

	document.getElementById(id).style.display="none";
}