function Left(elem){
	var x=0;
	var oElem=elem;
	while(elem){
		if ((elem.currentStyle)&& (!isNaN(parseInt(elem.currentStyle.borderLeftWidth)))&&(x!=0))
		x+=parseInt(elem.currentStyle.borderLeftWidth);
		x+=elem.offsetLeft;
		elem=elem.offsetParent;
	}
	return x;
}
function Top(elem){
	var x=0;
	var oElem=elem;
	while(elem){
		if ((elem.currentStyle)&& (!isNaN(parseInt(elem.currentStyle.borderTopWidth)))&&(x!=0))
		x+=parseInt(elem.currentStyle.borderTopWidth);
		x+=elem.offsetTop;
		elem=elem.offsetParent;
	}
	return x;
}


function systemGetCookie(name) {
	var value;
	var index = document.cookie.indexOf(name + "=");
	if (index == -1) return null;
	var start = document.cookie.indexOf ("=", index) + 1;
	var meta = document.cookie.indexOf (";", start);
	if (meta < start) meta = document.cookie.length;
	value=document.cookie.substring(start,meta);
	value=unescape(value);
//	alert('Cookie GET: ' + value);
	return value;
}

function systemSetCookie(name,value,expires) {
	if (expires=="never") {
		var exp=new Date(2100,01,01,01,01,01);
	}
	else if(expires) {
		var exp=new Date();
		exp.setTime(exp.getTime()+1000*expires);
	}
	value=escape(value);
	var w = name+"="+value+(expires ? "; expires="+exp.toGMTString() : '')+"; path=/";

	document.cookie=w;
//	alert('Cookie SET: ' + w);
}

function systemDeleteCookie(name) {
	systemSetCookie(name, '', -1);
}

function systemSelectTab(obj, url) {
	var tr = obj.parentNode;
	var set, cnLen;
	for(var i=0; i<tr.cells.length; i+=4) {
		cnLen = tr.cells[i+1].className.length;
		if(tr.cells[i+1] == obj) {
			set = 'Focus';
		} else if(tr.cells[i+1].className.substring(cnLen - 5) == 'Focus') {
			set = '';
		} else {
			continue;
		}
		tr.cells[i+1].className = 'contentHeadItem'+set;
		tr.cells[i].className = 'contentHeadItem'+set+'Left';
		tr.cells[i+2].className = 'contentHeadItem'+set+'Right';
	}
	window.location = url;
}

function systemSelectMenuItem(obj) {
	//	systemSetCookie('selectedMenuItem', obj.id);
	if(obj.tagName.toLowerCase() == 'div') {
		systemClickFirstLinkInObject(obj);
	}
	if(obj.tagName.toLowerCase() == 'tr') {
		var cell = obj.firstChild;
		while(cell) {
			if(cell.tagName && cell.tagName.toLowerCase() == 'td') {
				systemClickFirstLinkInObject(cell);
				return;
			}
			cell = cell.nextSibling;
		}
	}
	return;
}

function systemClickFirstLinkInObject(o) {
	var a = o.firstChild;
	while(a) {
		if(a.tagName && a.tagName.toLowerCase() == 'a') {
			var r = true;
			if(a.onclick) {
				r = a.onclick();
				if(typeof(r) == 'undefined') r = true;
			}
			if(r) window.location = a.href;
			return true;
		}
		a = a.nextSibling;
	}
	return false;
}

function systemOverviewLoadList() {
	systemShowMessage("Loading");
	var url = document.getElementById('systemOverviewSource').value;
	var start = parseInt(document.getElementById('systemOverviewStart').value);
	var num = parseInt(document.getElementById('systemOverviewNum').value);
	url = url.replace('[start]', start).replace('[num]', num);

	var listName = document.getElementById('systemOverviewName');
	if(listName) {
		listName = listName.value;
		var listNameLength = listName.length;
		var c = systemGetCookie('overviewstatus');
		var t;

		var added = false;
		if(c != null && c.length > 0) {
			c = c.split(';');
			for(var i2=0; i2<c.length; i2++) {
				if(c[i2].substring(0, listNameLength+1) == listName+':') {
					c[i2] = listName+":"+start+","+num;
					added = true;
					break;
				}
			}
			if(!added) {
				c[c.length] = listName+":"+start+","+num;
			}

		} else {
			c = [listName+":"+start+","+num];
		}
		systemSetCookie('overviewstatus', c.join(';'));
	}
	systemLoadHelp(sAdminHelpDefault);
	systemXmlHttp.request('GET', url, true, null, null, '', null, systemOverviewLoadListReqChange)
}

function systemOverviewLoadListReqChange(req) {
	var t = req.responseXML;
	if(t == null) {
		var data = 'Data retrieval failed.';
		var total = 0;
		var start = 0;
		var num = 0;
	} else {

		var data = t.getElementsByTagName('data').item(0).firstChild.nodeValue;
		var total = parseInt(t.getElementsByTagName('total').item(0).firstChild.nodeValue);
		var start = parseInt(t.getElementsByTagName('start').item(0).firstChild.nodeValue);
		var num = parseInt(t.getElementsByTagName('num').item(0).firstChild.nodeValue);
	}

	if(num == 0 && total > 0) {
		document.getElementById('systemOverviewStart').value = 0;
		systemOverviewLoadList();
		return;
	}
	document.getElementById('systemOverviewDestination').innerHTML = data;
	setSelection(start, total, parseInt(document.getElementById('systemOverviewNum').value), 'systemOverviewLoadList();');
	if (system_message_timeout) { clearTimeout(system_message_timeout); }
	systemHideMessage();
}

function systemOverviewLoadTree() {
	systemShowMessage("Loading");
	var url = document.getElementById('systemOverviewSource').value;
	systemLoadHelp(sAdminHelpDefault);
	systemXmlHttp.request('GET', url, true, null, null, '', null, systemOverviewLoadTreeReqChange)
}

function systemOverviewLoadTreeReqChange(req) {

	var t = req.responseXML;

	if(t == null) {
		var data = 'Data retrieval failed.';
	} else {
		var data = t.getElementsByTagName('data').item(0).firstChild.nodeValue;

	}

	document.getElementById('systemOverviewDestination').innerHTML = data;
	if (system_message_timeout) { clearTimeout(system_message_timeout); }
	systemHideMessage();
	if(t != null) {
		var listName = document.getElementById('systemOverviewName');

		if(listName) {
			listName = listName.value;
			var listNameLength = listName.length;
			var c = systemGetCookie('treestatus');
			var t;


			if(c != null && c.length > 0) {
				c = c.split(';');
				for(var i2=0; i2<c.length; i2++) {
					if(c[i2].substring(0, listNameLength+1) == listName+':') {
						var o = c[i2].substring(listNameLength+1);
						o = o.split(',');
						for(var i=0; i<o.length; i++) {
							t = document.getElementById(o[i])
							if(t) {
								collapseTree(t, true);
							}
						}
						break;
					}
				}

			}
		}
	}
}

function systemLoadInfo(url) {
	systemXmlHttp.request('GET', url, true, null, null, '', null, systemLoadInfoReqChange);
}

function systemLoadInfoReqChange(req) {
	var data = req.responseText.split("\n");
	var title = data.shift();
	var content = data.join("\n");
	var h = document.getElementById('system_info');
	h.scrollTop = 0;
	for(var i=h.childNodes.length-1; i>=0; i--) {
		h.removeChild(h.childNodes[i], true);
	}

	var pTitle = document.createElement('p');
	pTitle.className = 'title';
	pTitle.innerHTML = title;
	h.appendChild(pTitle);
	var pContent = document.createElement('p');
	pContent.className = 'content';
	pContent.innerHTML = content;
	h.appendChild(pContent);

	var iClose = document.createElement('input');
	iClose.className = 'FormButton';
	iClose.type = 'button';
	iClose.value = 'Close';
	iClose.onclick = function () {
		systemRestoreNavigation();
	}
	h.appendChild(iClose);

	systemShowInfo();
}

function systemLoadHelpItem(itm) {
	//alert(sAdminRoot+itm+'.hlp');return;
	if(itm != null)
	systemLoadHelp(sAdminRoot+itm+'.hlp')
	else
	systemLoadHelp(sAdminHelpDefault);
	systemShowHelp();
}

function systemLoadHelp(url) {
	systemXmlHttp.request('GET', url, true, null, null, '', null, systemLoadHelpReqChange);
	systemSetCookie('currenthelp', url);
}

function systemLoadHelpReqChange(req) {
	var data = req.responseText.split("\n");
	var nrofrelateditems = parseInt(data.shift());
	var title = data.shift();

	var relatedItems = new Array();
	for(var i=0; i<nrofrelateditems; i++) {
		relatedItems.push(data.shift().split(';'));
	}


	var content = data.join("\n");

	var h = document.getElementById('system_help');

	for(i=h.childNodes.length-1; i>=0; i--) {
		h.removeChild(h.childNodes[i], true);
	}

	var pTitle = document.createElement('p');
	pTitle.className = 'title';
	pTitle.innerHTML = title;
	h.appendChild(pTitle);
	var pContent = document.createElement('p');
	pContent.className = 'content';
	pContent.innerHTML = content;
	h.appendChild(pContent);

	var pRelated = document.createElement('div');
	pRelated.className = 'related';
	h.appendChild(pRelated);

	var t;

	var mi = function() { systemHoverItem(this) };
	var mo = function() { systemLeaveItem(this) };

	for(i=0; i<relatedItems.length; i++) {
		t = document.createElement('div');
		t.className = 'systemRelatedItem';
		t.onclick = new Function("systemLoadHelpItem('"+relatedItems[i][0]+"'); return false;");
		t.onmouseover = mi;
		t.onmouseout = mo;
		t.innerHTML = '<a href="#">'+relatedItems[i][1]+'</a>';
		pRelated.appendChild(t);
	}
}