// IE Mac compatibility code
if(typeof Array.prototype.push=='undefined')
  Array.prototype.push=function(){
    var i=0;
    b=this.length,a=arguments;
    for(i;i<a.length;i++)this[b+i]=a[i];
    return this.length
  };
  
// Utility Functions 
window.loadTasks = new Array();
window.unloadTasks = new Array();
if(typeof EventManager != 'undefined') {
	EventManager.Add(window, 'load', driverInit, false);
	EventManager.Add(window, 'unload', driverFinish, false);
}
else {
	window.onload = driverInit;
	window.onunload = driverFinish;
}

function registerLoadTask(fn) {
	window.loadTasks.push(fn);
}
function registerUnloadTask(fn) {
	window.unloadTasks.push(fn);
}
function driverInit() {
	for(var i in window.loadTasks) {
		switch(typeof window.loadTasks[i]) {
		case 'string':
			eval(window.loadTasks[i]);
			break;
		case 'function':
			window.loadTasks[i]();
		}
	}
}

function driverFinish() {
	for(var i in window.unloadTasks) {
		switch(typeof window.unloadTasks[i]) {
		case 'string':
			eval(window.unloadTasks[i]);
			break;
		case 'function':
			window.unloadTasks[i]();
		}
	}
}
//---------printer---------------
// Pop-ups
registerLoadTask(function() {addLinkHandlers("A");});
registerLoadTask(function() {addLinkHandlers("AREA");});

function addLinkHandlers(tagname) {
	var links = document.getElementsByTagName(tagname);
	for(i=0; i < links.length; i++) {
		var link = links[i];
		if(rel=link.getAttribute('rel')) {
			link.onclick = function(){return handleLinkRel(this);};
		}
	}
}

function handleLinkRel(link) {

	var relbits = link.getAttribute('rel').split('|');
	var href;
	if(typeof link.getAttribute == 'undefined')
		href = link.href;
	else
		//* This one is correct in both IE6 and Firefox
		href = link.getAttribute('href', 2);

	switch(relbits[0]) {
		case 'popup':
  			switch(relbits.length) {
  				case 1:
  					// No parameters
  					window.open(href);
  					break;
  				case 2:
  					// One parameter. Use it for window properties
  					window.open(href, null, relbits[1]);
  					break;
  				case 3:
  				default:
  					// Two (or more) parameters. Use 'em both
  					window.open(href, relbits[1], relbits[2]);
  					break;
  			}
			return false;
  			break;
  		default:
  			//Unknown link rel -- do nothing
			return true;
	}
}

function showurlin(url, dest, options) {
	switch(dest) {
	case 'popup':
		window.open(url, 'popup', options);
		break;
	case 'original':
    	if (window.opener && window.opener.location)
			window.opener.location.href = url;
		else
			return false;
		break;
	default:
	}
	return true;
}

function showPrintableVersion() {
	
	var url = 'printer.asp';
	url += window.location.search;		
	window.open(url, 'popup', '');
	
}
//---------printer ends---------------
// Image swapping
function imgSwap(obj, newsrc) {
	obj.oldsrc = obj.src;
	obj.src = newsrc;
	return true;
}

function imgRestore(obj) {
	if(obj.oldsrc) obj.src = obj.oldsrc;
	return true;
}

// Dynamic menus
var menuShowDelay = 200;
var menuHideDelay = 500;
window.visibleMenus = new Array();

function menuMouseOver(node) {
	var menu = findMenu(node);
	if(!menu) return;
	if(menu.showPending) {window.clearTimeout(menu.showPending); menu.showPending = false;}
	if(menu.hidePending) {window.clearTimeout(menu.hidePending); menu.hidePending = false;}
	if(menu.style.visibility == 'visible') return;
	menu.showPending = setMenuShowTimeout(menu, menuShowDelay);
}

function menuMouseOut(node) {
	var menu = findMenu(node);
	if(!menu) return;
	if(menu.showPending) {window.clearTimeout(menu.showPending); menu.hidePending = false;}
	if(menu.hidePending) {window.clearTimeout(menu.hidePending); menu.showPending = false;}
	if(menu.style.visibility == 'hidden') return;
	menu.hidePending = setMenuHideTimeout(menu, menuHideDelay);
}

function findMenu(node) {
	if(typeof node.getElementsByTagName == 'function') {
		var children = node.getElementsByTagName('UL');
		if(children)
			return children[0];
		else
			return null;
	}
	else {
		var children = node.childNodes;
		for(var i=0; i < children.length; i++)
			if (children[i].nodeName == 'DIV')
				return children[i];
		return null;
	}
}

function setMenuShowTimeout(object, delay) {
	var temp = function(){
		hideMenusNow();
		window.showMenu(object);
	};
    return setTimeout(temp, delay);
}

function setMenuHideTimeout(object, delay) {
	var temp = function(){
		window.hideMenu(object);
	};
    return setTimeout(temp, delay);
}

function hideMenusNow() {
	var vis = window.visibleMenus;
	var newvis = new Array();
	var i = 0;
	for(i=0; i < vis.length; i++) {
		var menu = vis[i];
		if(menu.hidePending) {
			window.clearTimeout(menu.hidePending);
			menu.hidePending = false;
			menu.style.visibility = 'hidden';
		}
		else {
			newvis.push(vis[i]);
		}
	}
	window.visibleMenus = newvis;
}

function hideMenu(menu) {
	var vis = window.visibleMenus;
	var newvis = new Array();
	menu.style.visibility = 'hidden';
	for(var i = 0; i < vis.length; i++) {
		if(vis[i] != menu) {
			newvis.push(vis[i]);
		}
	}
	window.visibleMenus = newvis;
}

function showMenu(menu) {
	menu.style.visibility = 'visible';
	window.visibleMenus.push(menu);
}