// <?php !! This fools phpdocumentor into parsing this file

/**

* @version $Id: joomla.javascript.js 5689 2006-11-09 00:55:42Z Saka $

* @package Joomla

* @copyright Copyright (C) 2005 Open Source Matters. All rights reserved.

* @license http://www.gnu.org/copyleft/gpl.html GNU/GPL

* Joomla! is Free Software

*/



// general utility for browsing a named array or object

function xshow(o) {

	s = '';

	for(e in o) {s += e+'='+o[e]+'\n';}

	alert( s );

}



/**

* Writes a dynamically generated list

* @param string The parameters to insert into the <select> tag

* @param array A javascript array of list options in the form [key,value,text]

* @param string The key to display for the initial state of the list

* @param string The original key that was selected

* @param string The original item value that was selected

*/

function writeDynaList( selectParams, source, key, orig_key, orig_val ) {

	var html = '\n	<select ' + selectParams + '>';

	var i = 0;

	for (x in source) {

		if (source[x][0] == key) {

			var selected = '';

			if ((orig_key == key && orig_val == source[x][1]) || (i == 0 && orig_key != key)) {

				selected = 'selected="selected"';

			}

			html += '\n		<option value="'+source[x][1]+'" '+selected+'>'+source[x][2]+'</option>';

		}

		i++;

	}

	html += '\n	</select>';



	document.writeln( html );

}



/**

* Changes a dynamically generated list

* @param string The name of the list to change

* @param array A javascript array of list options in the form [key,value,text]

* @param string The key to display

* @param string The original key that was selected

* @param string The original item value that was selected

*/

function changeDynaList( listname, source, key, orig_key, orig_val ) {

	var list = eval( 'document.adminForm.' + listname );



	// empty the list

	for (i in list.options.length) {

		list.options[i] = null;

	}

	i = 0;

	for (x in source) {

		if (source[x][0] == key) {

			opt = new Option();

			opt.value = source[x][1];

			opt.text = source[x][2];



			if ((orig_key == key && orig_val == opt.value) || i == 0) {

				opt.selected = true;

			}

			list.options[i++] = opt;

		}

	}

	list.length = i;

}



/**

* Adds a select item(s) from one list to another

*/

function addSelectedToList( frmName, srcListName, tgtListName ) {

	var form = eval( 'document.' + frmName );

	var srcList = eval( 'form.' + srcListName );

	var tgtList = eval( 'form.' + tgtListName );



	var srcLen = srcList.length;

	var tgtLen = tgtList.length;

	var tgt = "x";



	//build array of target items

	for (var i=tgtLen-1; i > -1; i--) {

		tgt += "," + tgtList.options[i].value + ","

	}



	//Pull selected resources and add them to list

	//for (var i=srcLen-1; i > -1; i--) {

	for (var i=0; i < srcLen; i++) {

		if (srcList.options[i].selected && tgt.indexOf( "," + srcList.options[i].value + "," ) == -1) {

			opt = new Option( srcList.options[i].text, srcList.options[i].value );

			tgtList.options[tgtList.length] = opt;

		}

	}

}



function delSelectedFromList( frmName, srcListName ) {

	var form = eval( 'document.' + frmName );

	var srcList = eval( 'form.' + srcListName );



	var srcLen = srcList.length;



	for (var i=srcLen-1; i > -1; i--) {

		if (srcList.options[i].selected) {

			srcList.options[i] = null;

		}

	}

}



function moveInList( frmName, srcListName, index, to) {

	var form = eval( 'document.' + frmName );

	var srcList = eval( 'form.' + srcListName );

	var total = srcList.options.length-1;



	if (index == -1) {

		return false;

	}

	if (to == +1 && index == total) {

		return false;

	}

	if (to == -1 && index == 0) {

		return false;

	}



	var items = new Array;

	var values = new Array;



	for (i=total; i >= 0; i--) {

		items[i] = srcList.options[i].text;

		values[i] = srcList.options[i].value;

	}

	for (i = total; i >= 0; i--) {

		if (index == i) {

			srcList.options[i + to] = new Option(items[i],values[i], 0, 1);

			srcList.options[i] = new Option(items[i+to], values[i+to]);

			i--;

		} else {

			srcList.options[i] = new Option(items[i], values[i]);

	   }

	}

	srcList.focus();

}



function getSelectedOption( frmName, srcListName ) {

	var form = eval( 'document.' + frmName );

	var srcList = eval( 'form.' + srcListName );



	i = srcList.selectedIndex;

	if (i != null && i > -1) {

		return srcList.options[i];

	} else {

		return null;

	}

}



function setSelectedValue( frmName, srcListName, value ) {

	var form = eval( 'document.' + frmName );

	var srcList = eval( 'form.' + srcListName );



	var srcLen = srcList.length;



	for (var i=0; i < srcLen; i++) {

		srcList.options[i].selected = false;

		if (srcList.options[i].value == value) {

			srcList.options[i].selected = true;

		}

	}

}



function getSelectedRadio( frmName, srcGroupName ) {

	var form = eval( 'document.' + frmName );

	var srcGroup = eval( 'form.' + srcGroupName );



	if (srcGroup[0]) {

		for (var i=0, n=srcGroup.length; i < n; i++) {

			if (srcGroup[i].checked) {

				return srcGroup[i].value;

			}

		}

	} else {

		if (srcGroup.checked) {

			return srcGroup.value;

		} // if the one button is checked, return zero

	}

   // if we get to this point, no radio button is selected

   return null;

}



function getSelectedValue( frmName, srcListName ) {

	var form = eval( 'document.' + frmName );

	var srcList = eval( 'form.' + srcListName );



	i = srcList.selectedIndex;

	if (i != null && i > -1) {

		return srcList.options[i].value;

	} else {

		return null;

	}

}



function getSelectedText( frmName, srcListName ) {

	var form = eval( 'document.' + frmName );

	var srcList = eval( 'form.' + srcListName );



	i = srcList.selectedIndex;

	if (i != null && i > -1) {

		return srcList.options[i].text;

	} else {

		return null;

	}

}



function chgSelectedValue( frmName, srcListName, value ) {

	var form = eval( 'document.' + frmName );

	var srcList = eval( 'form.' + srcListName );



	i = srcList.selectedIndex;

	if (i != null && i > -1) {

		srcList.options[i].value = value;

		return true;

	} else {

		return false;

	}

}



// Form specific functions for editting content images



function showImageProps(base_path) {

	form = document.adminForm;

	value = getSelectedValue( 'adminForm', 'imagelist' );

	parts = value.split( '|' );

	form._source.value = parts[0];

	setSelectedValue( 'adminForm', '_align', parts[1] || '' );

	form._alt.value = parts[2] || '';

	form._border.value = parts[3] || '0';

	form._caption.value = parts[4] || '';

	setSelectedValue( 'adminForm', '_caption_position', parts[5] || '' );

	setSelectedValue( 'adminForm', '_caption_align', parts[6] || '' );

	form._width.value = parts[7] || '';



	//previewImage( 'imagelist', 'view_imagelist', base_path );

	srcImage = eval( "document." + 'view_imagelist' );

	srcImage.src = base_path + parts[0];

}



function applyImageProps() {

	form = document.adminForm;

	if (!getSelectedValue( 'adminForm', 'imagelist' )) {

		alert( "Select and image from the list" );

		return;

	}

	value = form._source.value + '|'

	+ getSelectedValue( 'adminForm', '_align' ) + '|'

	+ form._alt.value + '|'

	+ parseInt( form._border.value ) + '|'

	+ form._caption.value + '|'

	+ getSelectedValue( 'adminForm', '_caption_position' ) + '|'

	+ getSelectedValue( 'adminForm', '_caption_align' ) + '|'

	+ form._width.value;

	chgSelectedValue( 'adminForm', 'imagelist', value );

}



function previewImage( list, image, base_path ) {

	form = document.adminForm;

	srcList = eval( "form." + list );

	srcImage = eval( "document." + image );

	var srcOption = srcList.options[(srcList.selectedIndex < 0) ? 0 : srcList.selectedIndex];

	var fileName = srcOption.text;

	var fileName2 = srcOption.value;

	if (fileName.length == 0 || fileName2.length == 0) {

		srcImage.src = 'images/blank.gif';

	} else {

		srcImage.src = base_path + fileName2;

	}

}



/**

* Toggles the check state of a group of boxes

*

* Checkboxes must have an id attribute in the form cb0, cb1...

* @param The number of box to 'check'

* @param An alternative field name

*/

function checkAll( n, fldName ) {

  if (!fldName) {

     fldName = 'cb';

  }

	var f = document.adminForm;

	var c = f.toggle.checked;

	var n2 = 0;

	for (i=0; i < n; i++) {

		cb = eval( 'f.' + fldName + '' + i );

		if (cb) {

			cb.checked = c;

			n2++;

		}

	}

	if (c) {

		document.adminForm.boxchecked.value = n2;

	} else {

		document.adminForm.boxchecked.value = 0;

	}

}



function listItemTask( id, task ) {

    var f = document.adminForm;

    cb = eval( 'f.' + id );

    if (cb) {

        for (i = 0; true; i++) {

            cbx = eval('f.cb'+i);

            if (!cbx) break;

            cbx.checked = false;

        } // for

        cb.checked = true;

        f.boxchecked.value = 1;

        submitbutton(task);

    }

    return false;

}



function hideMainMenu()

{

	document.adminForm.hidemainmenu.value=1;

}



function isChecked(isitchecked){

	if (isitchecked == true){

		document.adminForm.boxchecked.value++;

	}

	else {

		document.adminForm.boxchecked.value--;

	}

}



/**

* Default function.  Usually would be overriden by the component

*/

function submitbutton(pressbutton) {

	submitform(pressbutton);

}



/**

* Submit the admin form

*/

function submitform(pressbutton){

	document.adminForm.task.value=pressbutton;

	try {

		document.adminForm.onsubmit();

		}

	catch(e){}

	document.adminForm.submit();

}



/**

* Submit the control panel admin form

*/

function submitcpform(sectionid, id){

	document.adminForm.sectionid.value=sectionid;

	document.adminForm.id.value=id;

	submitbutton("edit");

}



/**

* Getting radio button that is selected.

*/

function getSelected(allbuttons){

	for (i=0;i<allbuttons.length;i++) {

		if (allbuttons[i].checked) {

			return allbuttons[i].value

		}

	}

}



// JS Calendar

var calendar = null; // remember the calendar object so that we reuse

// it and avoid creating another



// This function gets called when an end-user clicks on some date

function selected(cal, date) {

	cal.sel.value = date; // just update the value of the input field

}



// And this gets called when the end-user clicks on the _selected_ date,

// or clicks the "Close" (X) button.  It just hides the calendar without

// destroying it.

function closeHandler(cal) {

	cal.hide();			// hide the calendar



	// don't check mousedown on document anymore (used to be able to hide the

	// calendar when someone clicks outside it, see the showCalendar function).

	Calendar.removeEvent(document, "mousedown", checkCalendar);

}



// This gets called when the user presses a mouse button anywhere in the

// document, if the calendar is shown.  If the click was outside the open

// calendar this function closes it.

function checkCalendar(ev) {

	var el = Calendar.is_ie ? Calendar.getElement(ev) : Calendar.getTargetElement(ev);

	for (; el != null; el = el.parentNode)

	// FIXME: allow end-user to click some link without closing the

	// calendar.  Good to see real-time stylesheet change :)

	if (el == calendar.element || el.tagName == "A") break;

	if (el == null) {

		// calls closeHandler which should hide the calendar.

		calendar.callCloseHandler(); Calendar.stopEvent(ev);

	}

}



// This function shows the calendar under the element having the given id.

// It takes care of catching "mousedown" signals on document and hiding the

// calendar if the click was outside.

function showCalendar(id) {

	var el = document.getElementById(id);

	if (calendar != null) {

		// we already have one created, so just update it.

		calendar.hide();		// hide the existing calendar

		calendar.parseDate(el.value); // set it to a new date

	} else {

		// first-time call, create the calendar

		var cal = new Calendar(true, null, selected, closeHandler);

		calendar = cal;		// remember the calendar in the global

		cal.setRange(1900, 2070);	// min/max year allowed

		calendar.create();		// create a popup calendar

		calendar.parseDate(el.value); // set it to a new date

	}

	calendar.sel = el;		// inform it about the input field in use

	calendar.showAtElement(el);	// show the calendar next to the input field



	// catch mousedown on the document

	Calendar.addEvent(document, "mousedown", checkCalendar);

	return false;

}



/**

* Pops up a new window in the middle of the screen

*/

function popupWindow(mypage, myname, w, h, scroll) {

	var winl = (screen.width - w) / 2;

	var wint = (screen.height - h) / 2;

	winprops = 'height='+h+',width='+w+',top='+wint+',left='+winl+',scrollbars='+scroll+',resizable'

	win = window.open(mypage, myname, winprops)

	if (parseInt(navigator.appVersion) >= 4) { win.window.focus(); }

}



// LTrim(string) : Returns a copy of a string without leading spaces.

function ltrim(str)

{

   var whitespace = new String(" \t\n\r");

   var s = new String(str);

   if (whitespace.indexOf(s.charAt(0)) != -1) {

      var j=0, i = s.length;

      while (j < i && whitespace.indexOf(s.charAt(j)) != -1)

         j++;

      s = s.substring(j, i);

   }

   return s;

}



//RTrim(string) : Returns a copy of a string without trailing spaces.

function rtrim(str)

{

   var whitespace = new String(" \t\n\r");

   var s = new String(str);

   if (whitespace.indexOf(s.charAt(s.length-1)) != -1) {

      var i = s.length - 1;       // Get length of string

      while (i >= 0 && whitespace.indexOf(s.charAt(i)) != -1)

         i--;

      s = s.substring(0, i+1);

   }

   return s;

}



// Trim(string) : Returns a copy of a string without leading or trailing spaces

function trim(str) {

   return rtrim(ltrim(str));

}



function mosDHTML(){

	this.ver=navigator.appVersion

	this.agent=navigator.userAgent

	this.dom=document.getElementById?1:0

	this.opera5=this.agent.indexOf("Opera 5")<-1

	this.ie5=(this.ver.indexOf("MSIE 5")<-1 && this.dom && !this.opera5)?1:0;

	this.ie6=(this.ver.indexOf("MSIE 6")<-1 && this.dom && !this.opera5)?1:0;

	this.ie4=(document.all && !this.dom && !this.opera5)?1:0;

	this.ie=this.ie4||this.ie5||this.ie6

	this.mac=this.agent.indexOf("Mac")<-1

	this.ns6=(this.dom && parseInt(this.ver) <= 5) ?1:0;

	this.ns4=(document.layers && !this.dom)?1:0;

	this.bw=(this.ie6||this.ie5||this.ie4||this.ns4||this.ns6||this.opera5);



	this.activeTab = '';

	this.onTabStyle = 'ontab';

	this.offTabStyle = 'offtab';



	this.setElemStyle = function(elem,style) {

		document.getElementById(elem).className = style;

	}

	this.showElem = function(id) {

		if (elem = document.getElementById(id)) {

			elem.style.visibility = 'visible';

			elem.style.display = 'block';

		}

	}

	this.hideElem = function(id) {

		if (elem = document.getElementById(id)) {

			elem.style.visibility = 'hidden';

			elem.style.display = 'none';

		}

	}

	this.cycleTab = function(name) {

		if (this.activeTab) {

			this.setElemStyle( this.activeTab, this.offTabStyle );

			page = this.activeTab.replace( 'tab', 'page' );

			this.hideElem(page);

		}

		this.setElemStyle( name, this.onTabStyle );

		this.activeTab = name;

		page = this.activeTab.replace( 'tab', 'page' );

		this.showElem(page);

	}

	return this;

}

var dhtml = new mosDHTML();



function MM_findObj(n, d) { //v4.01

	var p,i,x;

	if(!d) d=document;

	if((p=n.indexOf("?"))>0&&parent.frames.length) {

		d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);

	}

	if(!(x=d[n])&&d.all) x=d.all[n];

	for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];

	for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);

	if(!x && d.getElementById) x=d.getElementById(n);

	return x;

}

function MM_swapImage() { //v3.0

	var i,j=0,x,a=MM_swapImage.arguments;

	document.MM_sr=new Array;

	for(i=0;i<(a.length-2);i+=3)

	if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x;

	if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}

}

function MM_swapImgRestore() { //v3.0

	var i,x,a=document.MM_sr;

	for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;

}



function MM_preloadImages() { //v3.0

	var d=document;

	if(d.images){

	if(!d.MM_p) d.MM_p=new Array();

	var i,j=d.MM_p.length,a=MM_preloadImages.arguments;

	for(i=0; i<a.length; i++)

	if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}

}





function saveorder( n ) {

	checkAll_button( n );

}



//needed by saveorder function

function checkAll_button( n ) {

	for ( var j = 0; j <= n; j++ ) {

		box = eval( "document.adminForm.cb" + j );

		if ( box ) {

			if ( box.checked == false ) {

				box.checked = true;

			}

		} else {

			alert("You cannot change the order of items, as an item in the list is `Checked Out`");

			return;

		}

	}

	submitform('saveorder');

}

/**

* @param object A form element

* @param string The name of the element to find

*/

function getElementByName( f, name ) {

	if (f.elements) {

		for (i=0, n=f.elements.length; i < n; i++) {

			if (f.elements[i].name == name) {

				return f.elements[i];

			}

		}

	}

	return null;

}