// JavaScript Document
var dispitem = "";
function DisplayItem(id) {
	if (dispitem) {
		obj = getObject(dispitem);
		obj.style.display = 'none';
	}
	var objItem = getObject(id);
	var itemDisplayText;
	if (objItem.style.display == 'block') {
		itemDisplayText = 'none';
	} else {
		itemDisplayText = 'block';
	}
	objItem.style.display = itemDisplayText;
	dispitem = id;
}
function HideDisplayItem(hideId,dispId,sec) {
	
	var hideItem = getObject(hideId);
	var dispItem = getObject(dispId);
	
	hideItem.style.display = 'none';
	dispItem.style.display = 'block';
	switch(sec) {
		case 1: currSys1 = dispId; break;
		case 2: currSys2 = dispId; break;
		case 3: currPrd = dispId; break;
	}
}
function getObject(name){
	if (document.getElementById){
	   obj = document.getElementById(name);
	}
	else if (document.all){
	   obj = document.all[name];
	}
	else if (document.layers){
		if (document.layers[name]){
			obj = document.layers[name];
		}
	}
	return obj;
}