ns4 = (document.layers)? true:false
ie4 = (document.all)? true:false

function copy_select(selected_menu, copied_menu)
{
  copied_menu.selectedIndex=selected_menu.selectedIndex;
}


// Show/Hide functions for non-pointer layer/objects

function show(id) {
//           if (ns4) document.getElementById(id).visibility = "show"
//           else if (ie4) 
	document.getElementById(id).style.visibility = "visible"
}

function hide(id) {
//     if (ns4) document.getElementById(id).visibility = "hidden"
//     else if (ie4) 
document.getElementById(id).style.visibility = "hidden"
}

function findPos(obj) {
	var curleft = curtop = 0;
	if (obj.offsetParent) {
		curleft = obj.offsetLeft
		curtop = obj.offsetTop
		while (obj = obj.offsetParent) {
			curleft += obj.offsetLeft
			curtop += obj.offsetTop
		}
	}
	return [curleft,curtop];
}