function getTop(e){
	var offset=e.offsetTop;
	if(e.offsetParent!=null){offset+=getTop(e.offsetParent);}
	return offset;
}
function getLeft(e){
	var offset=e.offsetLeft;
	if(e.offsetParent!=null){offset+=getLeft(e.offsetParent);}
	return offset;
}
function showNav(e,id){
	var top=getTop(e)+e.offsetHeight;
	var left=getLeft(e);
	document.getElementById(id).style.position = "absolute";
	document.getElementById(id).style.display = "";
	document.getElementById(id).style.top = top + "px";
	document.getElementById(id).style.left = left + "px";
	

	
	document.getElementById(id).onmousemove=function(){
		this.style.display = "";
		document.getElementById('ico').style.display = "";
	}
	document.getElementById(id).onmouseout=function(){
		this.style.display = "none";
		document.getElementById('ico').style.display = "none";
	}
	
	document.getElementById('ico').style.position="absolute";
	document.getElementById('ico').style.display = "";
	document.getElementById('ico').style.top = top + "px";
	document.getElementById('ico').style.left = left+40 + "px";
	document.getElementById('ico').style.zIndex = 999;

}
function hiddenNav(e,id){
	document.getElementById(id).style.display = "none";
	document.getElementById('ico').style.display = "none";
}