var SESSIONURL = "";
/*var IMGDIR_MISC = "images/misc";*/
var dgm_disable_ajax = parseInt("0", 10);


function dgm_Popup_Handler()
{
		this.open_steps = 10;
	this.open_fade = false;

	this.active = false;

	this.menus = new Array();
	this.activemenu = null;

	this.hidden_selects = new Array();
}

dgm_Popup_Handler.prototype.activate = function(active)
{
	this.active = active;
}

dgm_Popup_Handler.prototype.register = function(controlkey, noimage)
{
	this.menus[controlkey] = new dgm_Popup_Menu(controlkey, noimage);

	return this.menus[controlkey];
}

dgm_Popup_Handler.prototype.hide = function()
{
	if (this.activemenu != null)
	{
		//this.activemenu.hide();
		this.menus[this.activemenu].hide();
	}
}

dgmmenu = new dgm_Popup_Handler();

function dgmmenu_hide(e)
{
	if (e && e.button && e.button != 1 && e.type == 'click')
	{
		return true;
	}
	else
	{
		dgmmenu.hide();
	}
}

function dgm_Popup_Menu(controlkey, noimage)
{
	this.controlkey = controlkey;
	this.menuname = this.controlkey.split('.')[0] + '_menu';

	this.init_control(noimage);

	if (fetch_object(this.menuname))
	{
		this.init_menu();
	}

	this.slide_open = (is_opera ? false : true);
	this.open_steps = dgmmenu.open_steps;
}

dgm_Popup_Menu.prototype.init_control = function(noimage)
{
	this.controlobj = fetch_object(this.controlkey);
	this.controlobj.state = false;

	if (this.controlobj.firstChild && (this.controlobj.firstChild.tagName == 'TEXTAREA' || this.controlobj.firstChild.tagName == 'INPUT'))
	{
		// do nothing
	}
	else
	{
		if (!noimage && !(is_mac && is_ie))
		{
			var space = document.createTextNode(' ');
			this.controlobj.appendChild(space);

			/*var img = document.createElement('img');
			img.src = IMGDIR_MISC + '/menu_open.gif';
			img.border = 0;
			img.title = '';
			img.alt = '';
			this.controlobj.appendChild(img);  */
		}

		this.controlobj.unselectable = true;
		if (!noimage)
		{
			this.controlobj.style.cursor = pointer_cursor;
		}
		this.controlobj.onclick = dgm_Popup_Events.prototype.controlobj_onclick;
		this.controlobj.onmouseover = dgm_Popup_Events.prototype.controlobj_onmouseover;
	}
}

dgm_Popup_Menu.prototype.init_menu = function()
{
	this.menuobj = fetch_object(this.menuname);

	if (this.menuobj && !this.menuobj.initialized)
	{
		this.menuobj.initialized = true;
		this.menuobj.onclick = e_by_gum;
		this.menuobj.style.position = 'absolute';
		this.menuobj.style.zIndex = 50;

		this.init_menu_contents();
	}
}

dgm_Popup_Menu.prototype.init_menu_contents = function()
{
	var tds = fetch_tags(this.menuobj, 'td');
	for (var i = 0; i < tds.length; i++)
	{
		if (tds[i].className == 'dgmmenu_option')
		{
			if (tds[i].title && tds[i].title == 'nohilite')
			{
				// not an active cell
				tds[i].title = '';
			}
			else
			{
				// create a reference back to the menu class
				tds[i].controlkey = this.controlkey;

				// handle mouseover / mouseout highlighting events
				tds[i].onmouseover = dgm_Popup_Events.prototype.menuoption_onmouseover;
				tds[i].onmouseout = dgm_Popup_Events.prototype.menuoption_onmouseout;

				if (typeof tds[i].onclick == 'function')
				{
					// allow onclick events from <td> elements to override <a> elements inside
					tds[i].ofunc = tds[i].onclick;
					tds[i].onclick = dgm_Popup_Events.prototype.menuoption_onclick_function;
				}
				else
				{
					// attempt to emulate a click on internal <a> elements
					tds[i].onclick = dgm_Popup_Events.prototype.menuoption_onclick_link;
				}

				// wondering what this was supposed to do actually...
				if (!is_saf && !is_kon)
				{
					try
					{
						links = fetch_tags(tds[i], 'a');
						for (var j = 0; j < links.length; j++)
						{
							if (typeof links[j].onclick  == 'undefined')
							{
								links[j].onclick = e_by_gum;
							}
						}
					}
					catch(e)
					{
						// hmmm...
					}
				}
			}
		}
	}
}

dgm_Popup_Menu.prototype.show = function(obj, instant)
{
	if (!dgmmenu.active)
	{
		return false;
	}
	else if (!this.menuobj)
	{
		this.init_menu();
	}

	if (!this.menuobj)
	{
		return false;
	}

	if (dgmmenu.activemenu != null)
	{
		dgmmenu.menus[dgmmenu.activemenu].hide();
	}

	dgmmenu.activemenu = this.controlkey;

	this.menuobj.style.display = '';
	if (dgmmenu.slide_open)
	{
		this.menuobj.style.clip = 'rect(auto, auto, auto, auto)';
	}
	this.pos = this.fetch_offset(obj);
	this.leftpx = this.pos['left'];
	this.toppx = this.pos['top'] + obj.offsetHeight;

	if ((this.leftpx + this.menuobj.offsetWidth) >= document.body.clientWidth && (this.leftpx + obj.offsetWidth - this.menuobj.offsetWidth) > 0)
	{
		this.leftpx = this.leftpx + obj.offsetWidth - this.menuobj.offsetWidth;
		this.direction = 'right';
	}
	else
	{
		this.direction = 'left'
	}

	this.menuobj.style.left = this.leftpx + 'px';
	this.menuobj.style.top  = this.toppx + 'px';

	if (!instant && this.slide_open)
	{
		this.intervalX = Math.ceil(this.menuobj.offsetWidth / this.open_steps);
		this.intervalY = Math.ceil(this.menuobj.offsetHeight / this.open_steps);
		this.slide((this.direction == 'left' ? 0 : this.menuobj.offsetWidth), 0, 0);
	}
	else if (this.menuobj.style.clip && dgmmenu.slide_open)
	{
		this.menuobj.style.clip = 'rect(auto, auto, auto, auto)';
	}

	this.handle_overlaps(true);

	if (this.controlobj.editorid)
	{
		this.controlobj.state = true;
	   dgm_Editor[this.controlobj.editorid].menu_context(this.controlobj, 'mousedown');
	}
}

dgm_Popup_Menu.prototype.hide = function(e)
{

	if (e && e.button && e.button != 1)
	{
	  return true;
	}

	this.stop_slide();

	this.menuobj.style.display = 'none';

	this.handle_overlaps(false);

	if (this.controlobj.editorid)
	{
		this.controlobj.state = false;
	   dgm_Editor[this.controlobj.editorid].menu_context(this.controlobj, 'mouseout');
	}

	dgmmenu.activemenu = null;
}

dgm_Popup_Menu.prototype.hover = function(obj)
{
	if (dgmmenu.activemenu != null)
	{
		if (dgmmenu.menus[dgmmenu.activemenu].controlkey != this.id)
		{
			this.show(obj, true);
		}
	}
}

dgm_Popup_Menu.prototype.choose = function(e, obj)
{
	var links = fetch_tags(obj, 'a');
	if (links[0])
	{
		if (is_ie)
		{
		   links[0].click();
			window.event.cancelBubble = true;
		}
		else
		{
		   if (e.shiftKey)
			{
				window.open(links[0].href);
				e.stopPropagation();
				e.preventDefault();
			}
			else
			{
				window.location = links[0].href;
				e.stopPropagation();
				e.preventDefault();
			}
		}

		this.hide();
	}
}

dgm_Popup_Menu.prototype.slide = function(clipX, clipY, opacity)
{
	if (this.direction == 'left' && (clipX < this.menuobj.offsetWidth || clipY < this.menuobj.offsetHeight))
	{
		if (dgmmenu.open_fade && is_ie)
		{
			opacity += 10;
			this.menuobj.filters.item('DXImageTransform.Microsoft.alpha').opacity = opacity;
		}

		clipX += this.intervalX;
		clipY += this.intervalY;

		this.menuobj.style.clip = "rect(auto, " + clipX + "px, " + clipY + "px, auto)";
		this.slidetimer = setTimeout("dgmmenu.menus[dgmmenu.activemenu].slide(" + clipX + ", " + clipY + ", " + opacity + ");", 0);
	}
	else if (this.direction == 'right' && (clipX > 0 || clipY < this.menuobj.offsetHeight))
	{
		if (dgmmenu.open_fade && is_ie)
		{
			opacity += 10;
			menuobj.filters.item('DXImageTransform.Microsoft.alpha').opacity = opacity;
		}

		clipX -= this.intervalX;
		clipY += this.intervalY;

		this.menuobj.style.clip = "rect(auto, " + this.menuobj.offsetWidth + "px, " + clipY + "px, " + clipX + "px)";
		this.slidetimer = setTimeout("dgmmenu.menus[dgmmenu.activemenu].slide(" + clipX + ", " + clipY + ", " + opacity + ");", 0);
	}
	else
	{
		this.stop_slide();
	}
}

dgm_Popup_Menu.prototype.stop_slide = function()
{
	clearTimeout(this.slidetimer);

	this.menuobj.style.clip = 'rect(auto, auto, auto, auto)';

	if (dgmmenu.open_fade && is_ie)
	{
		this.menuobj.filters.item('DXImageTransform.Microsoft.alpha').opacity = 100;
	}
}

dgm_Popup_Menu.prototype.fetch_offset = function(obj)
{
	var left_offset = obj.offsetLeft;
	var top_offset = obj.offsetTop;

	while ((obj = obj.offsetParent) != null)
	{
		left_offset += obj.offsetLeft;
		top_offset += obj.offsetTop;
	}

	return { 'left' : left_offset, 'top' : top_offset };
}

dgm_Popup_Menu.prototype.overlaps = function(obj, m)
{
	var s = new Array();
	var pos = this.fetch_offset(obj);
	s['L'] = pos['left'];
	s['T'] = pos['top'];
	s['R'] = s['L'] + obj.offsetWidth;
	s['B'] = s['T'] + obj.offsetHeight;


	if (s['L'] > m['R'] || s['R'] < m['L'] || s['T'] > m['B'] || s['B'] < m['T'])
	{
		return false;
	}
	return true;
}

dgm_Popup_Menu.prototype.handle_overlaps = function(dohide)
{
	if (is_ie)
	{
		var selects = fetch_tags(document, 'select');

		if (dohide)
		{
			var menuarea = new Array(); menuarea = {
				'L' : this.leftpx,
				'R' : this.leftpx + this.menuobj.offsetWidth,
				'T' : this.toppx,
				'B' : this.toppx + this.menuobj.offsetHeight
			};

			for (var i = 0; i < selects.length; i++)
			{
				if (this.overlaps(selects[i], menuarea))
				{
					var hide = true;
					var s = selects[i];
					while (s = s.parentNode)
					{
						if (s.className == 'dgmmenu_popup')
						{
							hide = false;
							break;
						}
					}

					if (hide)
					{
						selects[i].style.visibility = 'hidden';
						array_push(dgmmenu.hidden_selects, i);
					}
				}
			}
		}
		else
		{
			while (true)
			{
				var i = array_pop(dgmmenu.hidden_selects);
				if (typeof i == 'undefined' || i == null)
				{
					break;
				}
				else
				{
					selects[i].style.visibility = 'visible';
				}
			}
		}
	}
}

function dgm_Popup_Events()
{
}

dgm_Popup_Events.prototype.controlobj_onclick = function(e)
{
	do_an_e(e);
	if (dgmmenu.activemenu == null || dgmmenu.menus[dgmmenu.activemenu].controlkey != this.id)
	{
		dgmmenu.menus[this.id].show(this);
	}
	else
	{
		dgmmenu.menus[this.id].hide();
	}
};

dgm_Popup_Events.prototype.controlobj_onmouseover = function(e)
{
	do_an_e(e);
	dgmmenu.menus[this.id].hover(this);
};

dgm_Popup_Events.prototype.menuoption_onclick_function = function(e)
{
	this.ofunc(e);
	dgmmenu.menus[this.controlkey].hide();
};

dgm_Popup_Events.prototype.menuoption_onclick_link = function(e)
{
	dgmmenu.menus[this.controlkey].choose(e, this);
};

dgm_Popup_Events.prototype.menuoption_onmouseover = function(e)
{
	this.className = 'dgmmenu_hilite';
};

dgm_Popup_Events.prototype.menuoption_onmouseout = function(e)
{
	this.className = 'dgmmenu_option';
};







var userAgent = navigator.userAgent.toLowerCase();
var is_opera  = (userAgent.indexOf('opera') != -1);
var is_saf    = ((userAgent.indexOf('applewebkit') != -1) || (navigator.vendor == 'Apple Computer, Inc.'));
var is_webtv  = (userAgent.indexOf('webtv') != -1);
var is_ie     = ((userAgent.indexOf('msie') != -1) && (!is_opera) && (!is_saf) && (!is_webtv));
var is_ie4    = ((is_ie) && (userAgent.indexOf('msie 4.') != -1));
var is_moz    = ((navigator.product == 'Gecko') && (!is_saf));
var is_kon    = (userAgent.indexOf('konqueror') != -1);
var is_ns     = ((userAgent.indexOf('compatible') == -1) && (userAgent.indexOf('mozilla') != -1) && (!is_opera) && (!is_webtv) && (!is_saf));
var is_ns4    = ((is_ns) && (parseInt(navigator.appVersion) == 4));
var is_mac    = (userAgent.indexOf('mac') != -1);


var pointer_cursor = (is_ie ? 'hand' : 'pointer');


function array_pop(a)
{
	if (typeof a != 'object' || !a.length)
	{
		return null;
	}
	else
	{
		var response = a[a.length - 1];
		a.length--;
		return response;
	}
}

function fetch_object(idname)
{
	if (document.getElementById)
	{
		return document.getElementById(idname);
	}
	else if (document.all)
	{
		return document.all[idname];
	}
	else if (document.layers)
	{
		return document.layers[idname];
	}
	else
	{
		return null;
	}
}

function fetch_tags(parentobj, tag)
{
	if (typeof parentobj.getElementsByTagName != 'undefined')
	{
		return parentobj.getElementsByTagName(tag);
	}
	else if (parentobj.all && parentobj.all.tags)
	{
		return parentobj.all.tags(tag);
	}
	else
	{
		return null;
	}
}

function do_an_e(eventobj)
{
	if (!eventobj || is_ie)
	{
		window.event.returnValue = false;
		window.event.cancelBubble = true;
		return window.event;
	}
	else
	{
		eventobj.stopPropagation();
		eventobj.preventDefault();
		return eventobj;
	}
}

function e_by_gum(eventobj)
{
	if (!eventobj || is_ie)
	{
		window.event.cancelBubble = true;
		return window.event;
	}
	else
	{
		if (eventobj.target.type == 'submit')
		{
		   	eventobj.target.form.submit();
		}
		eventobj.stopPropagation();
		return eventobj;
	}
}

function dgmmenu_register(controlid, noimage, datefield)
{
	if (typeof dgmmenu == 'object')
	{
		dgmmenu.register(controlid, noimage);
	}
}

function DGMP_init()
{
	var imgs = fetch_tags(document, 'img');
	for (var i = 0; i < imgs.length; i++)
	{
		if (!imgs[i].title && imgs[i].alt != '')
		{
			imgs[i].title = imgs[i].alt;
		}
	}

	if (typeof dgmmenu == 'object')
	{
		if (window.attachEvent && !is_saf)
		{
			document.attachEvent('onclick', dgmmenu_hide);
			window.attachEvent('onresize', dgmmenu_hide);
		}
		else if (document.addEventListener && !is_saf)
		{
			document.addEventListener('click', dgmmenu_hide, false);
			window.addEventListener('resize', dgmmenu_hide, false);
		}
		else
		{
			window.onclick = dgmmenu_hide;
			window.onresize = dgmmenu_hide;
		}

		var pagenavs = fetch_tags(document, 'td');
		for (var n = 0; n < pagenavs.length; n++)
		{
			if (pagenavs[n].hasChildNodes() && pagenavs[n].firstChild.name && pagenavs[n].firstChild.name.indexOf('PageNav') != -1)
			{
				var addr = pagenavs[n].title;
				pagenavs[n].title = '';
				pagenavs[n].innerHTML = '';
				pagenavs[n].id = 'pagenav.' + n;
				var pn = dgmmenu.register(pagenavs[n].id);
				if (is_saf)
				{
					pn.controlobj._onclick = pn.controlobj.onclick;
					pn.controlobj.onclick = dgmpagenav.prototype.controlobj_onclick;
				}
			}
		}

		if (typeof addr != 'undefined')
		{
			fetch_object('pagenav_form').addr = addr;
			fetch_object('pagenav_form').gotopage = dgmpagenav.prototype.form_gotopage;
			fetch_object('pagenav_ibtn').onclick = dgmpagenav.prototype.ibtn_onclick;
			fetch_object('pagenav_itxt').onkeypress = dgmpagenav.prototype.itxt_onkeypress;
		}
            dgmmenu.activate(true);
	}
	return true;
}

DGMP_init();