// JavaScript Document
/*
Opens a pop-up window with the given image file and the given
width and heigth.
*/
var lastElement;
function showSub(id) {
// 	hideAll();
	var d = document.getElementById(id);
	if (d)
	{
		d.style.display='block';
		if(lastElement) {
      lastElement.style.display='none';
    }
    lastElement = d;
	}
}

function hideAll() {
	for (var i = 1; i<=10; i++) {
		var subMenu = document.getElementById('smenu'+i)
		if (subMenu)
		{
		subMenu.style.display='none';
		}
	}
}