var http_request = false;

function changeDisplay(element) {
	if (element.style.display == "none") {
		element.style.display = "block";
	} else {
		element.style.display = "none";
	}
}

function make_form(form_name, action, elements) {
	var form = document.createElement('<form name="' + form_name + '" method="post" action="' + action + '">');
	form_holder.appendChild(form);

	for (var i=1; i < elements.length; i++) {
		the_html = '<input type="hidden" name="' + elements[i][0] + '" value="' + elements[i][1] + '">';

		element = document.createElement(the_html);
		form.appendChild(element);
	}
}

function domainName() {
	document.all['domain'].value = (document.all['domain_text'].value + "." + document.all['tldname'].options[document.all['tldname'].selectedIndex].value);
}

function makeRequest(url) {

    http_request = false;

    if (window.XMLHttpRequest) { // Mozilla, Safari,...
        http_request = new XMLHttpRequest();
        if (http_request.overrideMimeType) {
            http_request.overrideMimeType('text/xml');
        }
    } else if (window.ActiveXObject) { // IE
        try {
            http_request = new ActiveXObject("Msxml2.XMLHTTP");
        } catch (e) {
            try {
            http_request = new ActiveXObject("Microsoft.XMLHTTP");
            } catch (e) {}
        }
    }

    if (!http_request) {
        alert('Giving up :( Cannot create an XMLHTTP instance');
        return false;
    }
    http_request.onreadystatechange = function() {processRequest(http_request);};
    http_request.open('GET', url, true);
    http_request.send(null);

}

function processRequest(http_request) {
	switch (http_request.readyState) {
		case 1:
			displayProgress('Geting Ready');
			break;
		case 2:
			displayProgress('Sending Request');
			break;
		case 3:
			displayProgress('Loading Data');
			break;
		case 4:
			displayProgress('Done');
			if (http_request.status == 200) {
				var response = http_request.responseText;
				processResult(response);
			} else {
				alert('There was a problem with the request.');
			}
			break;
		default:
			alert('There was a problem with the request.');
			break;
	}

}

function processResult(result) {
	alert(result);
}

function displayProgress(state) {
	var progress_bar = document.getElementById("progress_bar");
	if (state == 'Done') {
		progress_bar.style.display = 'none';
		return true;
	}
	centerElement(progress_bar);
	progress_bar.style.display = 'block';
	progress_bar.style.zIndex = 100;
	progress_bar.innerHTML = state;
}

function getDocumentWidth() {
	if (document.width) {
		return document.width;
	}
	if (document.body.clientWidth) {
		return document.body.clientWidth;
	}
	return false;
}

function getDocumentHeight() {
	if (document.height) {
		return document.height;
	}
	if (document.body.clientHeight) {
		return document.body.clientHeight;
	}
	return false;
}

function centerElement(element) {
	hSise = parseInt(element.style.width);
	vSize = parseInt(element.style.height);

	width = parseInt(getDocumentWidth());
	height = parseInt(getDocumentHeight());

	leftPos = width/2-hSise/2;
	topPos = 250;

	element.style.left = leftPos + 'px';
	element.style.top = topPos + 'px';
}

var myDialog = new Object() ;

// This method opens a dialog window using the standard dialog template.
myDialog.OpenDialog = function( dialogName, dialogTitle, dialogPage, width, height, customValue, parentWindow, resizable )
{
	// Setup the dialog info.
	var oDialogInfo = new Object() ;
	oDialogInfo.Title = dialogTitle ;
	oDialogInfo.Page = dialogPage ;
	oDialogInfo.Editor = window ;
	oDialogInfo.CustomValue = customValue ;		// Optional

	var sUrl = dialogPage ;
	if (window.showModalDialog) {
		this.ShowIE( oDialogInfo, dialogName, sUrl, width, height, parentWindow, resizable ) ;
	} else {
		this.ShowGecko( oDialogInfo, dialogName, sUrl, width, height, parentWindow, resizable ) ;
	}
}

myDialog.ShowGecko = function( dialogInfo, dialogName, pageUrl, dialogWidth, dialogHeight, parentWindow, resizable )
{
	var iTop  = (window.outerHeight - dialogHeight) / 2 ;
	var iLeft = (window.outerWidth  - dialogWidth)  / 2 ;

	var sOption  = "location=no,menubar=no,toolbar=no,dependent=yes,dialog=yes,minimizable=no,modal=yes,alwaysRaised=yes" +
		",resizable="  + ( resizable ? 'yes' : 'no' ) +
		",width="  + dialogWidth +
		",height=" + dialogHeight +
		",top="  + iTop +
		",left=" + iLeft ;

	if ( !parentWindow )
		parentWindow = window ;

	var oWindow = parentWindow.open( '', 'myeditorDialog_' + dialogName, sOption, true ) ;

	if ( !oWindow )
	{
		alert( myLang.DialogBlocked ) ;
		return ;
	}

	oWindow.moveTo( iLeft, iTop ) ;
	oWindow.resizeTo( dialogWidth, dialogHeight ) ;
	oWindow.focus() ;
	oWindow.location.href = pageUrl ;

	oWindow.dialogArguments = dialogInfo ;

	// On some Gecko browsers (probably over slow connections) the
	// "dialogArguments" are not set to the target window so we must
	// put it in the opener window so it can be used by the target one.
	parentWindow.myLastDialogInfo = dialogInfo ;

}

myDialog.ShowIE = function( dialogInfo, dialogName, pageUrl, dialogWidth, dialogHeight, parentWindow )
{
	if ( !parentWindow )
		parentWindow = window ;

	var oReturn = parentWindow.showModalDialog( pageUrl, dialogInfo, "dialogWidth:" + dialogWidth + "px;dialogHeight:" + dialogHeight + "px;help:no;scroll:no;status:no") ;

}

function Browser() {

  var ua, s, i;

  this.isIE    = false;
  this.isNS    = false;
  this.version = null;

  ua = navigator.userAgent;

  s = "MSIE";
  if ((i = ua.indexOf(s)) >= 0) {
    this.isIE = true;
    this.version = parseFloat(ua.substr(i + s.length));
    return;
  }

  s = "Netscape6/";
  if ((i = ua.indexOf(s)) >= 0) {
    this.isNS = true;
    this.version = parseFloat(ua.substr(i + s.length));
    return;
  }

  // Treat any other "Gecko" browser as NS 6.1.

  s = "Gecko";
  if ((i = ua.indexOf(s)) >= 0) {
    this.isNS = true;
    this.version = 6.1;
    return;
  }
}

var browser = new Browser();

// Global object to hold drag information.

var dragObj = new Object();
dragObj.zIndex = 0;

function dragStart(e, id) {

  var el;
  var x, y;

  // If an element id was given, find it. Otherwise use the element being
  // clicked on.

  if (id) {
    dragObj.elNode = document.getElementById(id);
  } else {
	if (!e) var e = window.event;
	if (e.target) dragObj.elNode = e.target;
	else if (e.srcElement) dragObj.elNode = e.srcElement;
	if (dragObj.elNode.nodeType == 3) // defeat Safari bug
	dragObj.elNode = dragObj.elNode.parentNode;
  }

  // Get cursor position with respect to the page.
  x = e.clientX + document.documentElement.scrollLeft + document.body.scrollLeft;
  y = e.clientY + document.documentElement.scrollTop + document.body.scrollTop;

  // Save starting positions of cursor and element.

  dragObj.cursorStartX = x;
  dragObj.cursorStartY = y;
  dragObj.elStartLeft  = parseInt(dragObj.elNode.style.left, 10);
  dragObj.elStartTop   = parseInt(dragObj.elNode.style.top,  10);

  if (isNaN(dragObj.elStartLeft)) dragObj.elStartLeft = 0;
  if (isNaN(dragObj.elStartTop))  dragObj.elStartTop  = 0;

  // Update element's z-index.

  dragObj.elNode.style.zIndex = ++dragObj.zIndex;

  // Capture mousemove and mouseup events on the page.

  if (document.attachEvent) {
    document.attachEvent("onmousemove", dragGo);
    document.attachEvent("onmouseup",   dragStop);
    window.event.cancelBubble = true;
    window.event.returnValue = false;
  }
  if (document.addEventListener) {
    document.addEventListener("mousemove", dragGo,   true);
    document.addEventListener("mouseup",   dragStop, true);
    event.preventDefault();
  }
}

function dragGo(e) {

  var x, y;

  // Get cursor position with respect to the page.

  if (!e) var e = window.event;

  x = e.clientX + document.documentElement.scrollLeft + document.body.scrollLeft;
  y = e.clientY + document.documentElement.scrollTop + document.body.scrollTop;

  // Move drag element by the same amount the cursor has moved.

  dragObj.elNode.style.left = (dragObj.elStartLeft + x - dragObj.cursorStartX) + "px";
  dragObj.elNode.style.top  = (dragObj.elStartTop  + y - dragObj.cursorStartY) + "px";

  if (browser.isIE) {
    window.event.cancelBubble = true;
    window.event.returnValue = false;
  }
  if (browser.isNS)
    event.preventDefault();
}

function dragStop(event) {

  if (parseInt(dragObj.elNode.style.left) < 15) {
  	dragObj.elNode.style.left = '0px'
  }

  if (parseInt(dragObj.elNode.style.top) < 35) {
  	dragObj.elNode.style.top = '35px'
  }

  // Stop capturing mousemove and mouseup events.

  if (document.detachEvent) {
    document.detachEvent("onmousemove", dragGo);
    document.detachEvent("onmouseup",   dragStop);
  }
  if (document.removeEventListener) {
    document.removeEventListener("mousemove", dragGo,   true);
    document.removeEventListener("mouseup",   dragStop, true);
  }
}

function listSearch(search_str, search_obj, obj_list) {
	var results = document.getElementById(search_obj).options;
	results.length = 0;
	var myRegExp = new RegExp("^" + search_str, "i");
	for (i=0; i<obj_list.length; i++) {
		if (myRegExp.test(obj_list[i][1])) {
			var oOption = document.createElement("OPTION");
			results.add(oOption, i);
			oOption.innerText = obj_list[i][1];
			oOption.value = obj_list[i][0];
			if (results.length == 1) {
				oOption.selected = 'true';
			}
			if (results.length == 200) {
				break;
			}
		}
	}
	i = 0;
}

function listSearchDiv(search_str, search_obj, obj_list, func_name) {
	var obj = document.getElementById(search_obj);
	if (obj.childNodes) {
		while (obj.firstChild) {
			obj.removeChild(obj.firstChild);
		}
	}
	var myRegExp = new RegExp("^" + search_str, "i");
	for (i=0; i<obj_list.length; i++) {
		if (myRegExp.test(obj_list[i][1])) {
			var oItem = document.createElement("DIV");
			obj.appendChild(oItem);
			oItem.innerHTML = '<a href="index.php?thepage=pages&pageid=' + obj_list[i][0] + '" oncontextmenu="' + func_name + '(this, \'templates\', ' + obj_list[i][0] + ', 0, 1);return false;">' + obj_list[i][1] + '</a>';
			oItem.className = "templates_link";
			if (obj.length == 200) {
				break;
			}
		}
	}
	i = 0;
}