function xoopsGetElementById(id) {
if (document.getElementById(id)) {
	return document.getElementById(id);
	} else if (document.all[id]) {
		return document.all[id];
		} else if (document.layers && document.layers[id]) {
			return (document.layers[id]);
			} else {
				return false;
			}
}
function $(id) { return xoopsGetElementById(id);}


function toggle_visibility(id, flag)  {

if ($(id)) {
	$(id).style.visibility = (flag) ? 'visible' : 'hidden';
	}
}


function justReturn() {
	return;
}


function openWithSelfMain(url,name,width,height) {
var options = "width=" + width + ",height=" + height + "toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=yes,resizable=yes,copyhistory=no";

new_window = window.open(url, name, options);
window.self.name = "main";
new_window.moveTo(((screen.availWidth/2)-(width/2)),((screen.availHeight/2)-(height/2)))
new_window.focus();
}


function setElementColor(id, color) {
	$(id).style.color = "#" + color;
}


function setElementFont(id, font) {$(id).style.fontFamily = font;}


function setElementSize(id, size) {$(id).style.fontSize = size;}


function changeDisplay(id) {
var elestyle = $(id).style;

if (elestyle.display == "") {
	elestyle.display = "none";
	} else {
		elestyle.display = "block";
	}
}

function toggleDisplay(id) {
var elestyle = $(id).style;

if (elestyle.display == "block" || elestyle.display == "") {
	elestyle.display = 'none';
	} else {
		elestyle.display = "block";
	}
}

function setVisible(id) {$(id).style.visibility = "visible";}

function setHidden(id) {$(id).style.visibility = "hidden";}


function makeBold(id) {
var eleStyle = $(id).style;

if (eleStyle.fontWeight != "bold") {
	eleStyle.fontWeight = "bold";
	} else {
		eleStyle.fontWeight = "normal";
	}
}


function makeItalic(id) {
var eleStyle = $(id).style;

if (eleStyle.fontStyle != "italic") {
	eleStyle.fontStyle = "italic";
	} else {
		eleStyle.fontStyle = "normal";
	}
}


function makeUnderline(id) {
var eleStyle = $(id).style;

if (eleStyle.textDecoration != "underline") {
	eleStyle.textDecoration = "underline";
	} else {
		eleStyle.textDecoration = "none";
	}
}


function appendSelectOption(selectMenuId, optionName, optionValue) {
var selectMenu = $(selectMenuId);
var newoption  = new Option(optionName, optionValue);

selectMenu.options[selectMenu.length] = newoption;
selectMenu.options[selectMenu.length].selected = true;
}


function disableElement(target) {
var targetDom = $(target);

if (targetDom.disabled != true) {
	targetDom.disabled = true;
	} else {
		targetDom.disabled = false;
	}
}


function xoopsCheckAll(formname, switchid) {
var ele = document.forms[formname].elements;
var switch_cbox = $(switchid);

for (var i=0; i<ele.length; i++) {
	var e = ele[i];
	if ( (e.name != switch_cbox.name) && (e.type == 'checkbox') ) {
		e.checked = switch_cbox.checked;
	}
}
}

/***************************************
* From XOOPSDhtmlArea
***************************************/

var clientPC = navigator.userAgent.toLowerCase();
var clientVer = parseInt(navigator.appVersion);
var is_ie = ((clientPC.indexOf("msie") != -1) && (clientPC.indexOf("opera") == -1));
var is_win   = ((clientPC.indexOf("win")!=-1) || (clientPC.indexOf("16bit") != -1));
var is_nav = ((clientPC.indexOf('mozilla')!=-1) && (clientPC.indexOf('spoofer')==-1)
                && (clientPC.indexOf('compatible') == -1) && (clientPC.indexOf('opera')==-1)
                && (clientPC.indexOf('webtv')==-1) && (clientPC.indexOf('hotjava')==-1));
var is_moz = 0;
var is_mac = (clientPC.indexOf("mac")!=-1);

// From http://www.massless.org/mozedit/
function mozWrap(txtarea, open, close)
{
  var selLength = txtarea.textLength;
  var selStart = txtarea.selectionStart;
  var selEnd = txtarea.selectionEnd;
  if (selEnd == 1 || selEnd == 2) 
    selEnd = selLength;

  var s1 = (txtarea.value).substring(0,selStart);
  var s2 = (txtarea.value).substring(selStart, selEnd)
  var s3 = (txtarea.value).substring(selEnd, selLength);
  txtarea.value = s1 + open + s2 + close + s3;
  return;
}

// Insert at Claret position. Code from
// http://www.faqts.com/knowledge_base/view.phtml/aid/1052/fid/130
function storeCaret(textEl) {
  if (textEl.createTextRange) textEl.caretPos = document.selection.createRange().duplicate();
}

// Insert a bbcode in textarea
function insertBB(dom, bbopen, bbclose)  {
	         if ((clientVer >= 4) && is_ie && is_win) {
         var text = document.selection.createRange().text;
         if ( !text ) {
             dom.value += bbopen + bbclose;
      			 dom.focus();
      			 return;
             } else {
             document.selection.createRange().text = bbopen + text + bbclose;
    				 dom.focus();
    				 return;
             }
         } 
         else if (dom.selectionEnd && (dom.selectionEnd - dom.selectionStart > 0))
  			 {
    				mozWrap(dom, bbopen, bbclose);
    				return;
  			 }
  				else
  			 	{
    				dom.value += bbopen + bbclose;
    				dom.focus();
  				}
}


// @todo remake rather equal JS functions
function xoopsCodeBold(id) {
				 var bbopen = "[b]";
				 var bbclose ="[/b]";
				 var dom  = $(id);
         insertBB(dom, bbopen, bbclose);
  			 storeCaret(dom);
}

function xoopsCodeItalic(id) {
 				 var bbopen = "[i]";
				 var bbclose ="[/i]";
				 var dom  = $(id);
         insertBB(dom, bbopen, bbclose);
  			 storeCaret(dom);
}

function xoopsCodeUnderline(id) {
 				 var bbopen = "[u]";
				 var bbclose ="[/u]";
				 var dom  = $(id);
         insertBB(dom, bbopen, bbclose);
  			 storeCaret(dom);
}

function xoopsCodeStrike(id) {
 				 var bbopen = "[s]";
				 var bbclose ="[/s]";
				 var dom  = $(id);
         insertBB(dom, bbopen, bbclose);
  			 storeCaret(dom);
}

function xoopsCodeOverline(id) {
 				 var bbopen = "[o]";
				 var bbclose ="[/o]";
				 var dom  = $(id);
         insertBB(dom, bbopen, bbclose);
  			 storeCaret(dom);
}

function xoopsCodeList(id) {
         				 var bbopen = "[list]";
				 var bbclose ="[/list]";
				 var dom  = $(id);
         insertBB(dom, bbopen, bbclose);
  			 storeCaret(dom);
}

function xoopsCodeHr(id) {
var dom  = $(id);
dom.value +=  "[hr]";
}

function xoopsCodeRight(id) {
				 var bbopen = "[right]";
				 var bbclose ="[/right]";
				 var dom  = $(id);
         insertBB(dom, bbopen, bbclose);
  			 storeCaret(dom);
}


function xoopsCodeCenter(id) {
 				 var bbopen = "[center]";
				 var bbclose ="[/center]";
				 var dom  = $(id);
         insertBB(dom, bbopen, bbclose);
  			 storeCaret(dom);
}


function xoopsCodeLeft(id) {
				 var bbopen = "[left]";
				 var bbclose ="[/left]";
				 var dom  = $(id);
         insertBB(dom, bbopen, bbclose);
  			 storeCaret(dom);
}


function xoopsCodeJustify(id) {
 				 var bbopen = "[justify]";
				 var bbclose ="[/justify]";
				 var dom  = $(id);
         insertBB(dom, bbopen, bbclose);
  			 storeCaret(dom);
}


function xoopsCodeMarqd(id) {
 				 var bbopen = "[marqd]";
				 var bbclose ="[/marqd]";
				 var dom  = $(id);
         insertBB(dom, bbopen, bbclose);
  			 storeCaret(dom);
}


function xoopsCodeMarqu(id) {
				 var bbopen = "[marqu]";
				 var bbclose ="[/marqu]";
				 var dom  = $(id);
         insertBB(dom, bbopen, bbclose);
  			 storeCaret(dom);
}



function xoopsCodeMarql(id) {
				 var bbopen = "[marql]";
				 var bbclose ="[/marql]";
				 var dom  = $(id);
         insertBB(dom, bbopen, bbclose);
  			 storeCaret(dom);
}


function xoopsCodeMarqr(id) {
				 var bbopen = "[marqr]";
				 var bbclose ="[/marqr]";
				 var dom  = $(id);
         insertBB(dom, bbopen, bbclose);
  			 storeCaret(dom);
}


function xoopsCodeMarqh(id) {
				 var bbopen = "[marqh]";
				 var bbclose ="[/marqh]";
				 var dom  = $(id);
         insertBB(dom, bbopen, bbclose);
  			 storeCaret(dom);
}


function xoopsCodeMarqv(id) {
				 var bbopen = "[marqv]";
				 var bbclose ="[/marqv]";
				 var dom  = $(id);
         insertBB(dom, bbopen, bbclose);
  			 storeCaret(dom);
}



function xoopsCodeQuote(id) {
				 var bbopen = "[quote]";
				 var bbclose ="[/quote]";
				 var dom  = $(id);
         insertBB(dom, bbopen, bbclose);
  			 storeCaret(dom);
}

function xoopsCodeCode(id) {
				 var bbopen = "[code]";
				 var bbclose ="[/code]";
				 var dom  = $(id);
         insertBB(dom, bbopen, bbclose);
  			 storeCaret(dom);
}



function xoopsCodeSize(id) {
var sizeDom = $(id + "Size");
var sizeDomValue = sizeDom.options[sizeDom.options.selectedIndex].value;

				 var bbopen = "[size=" + sizeDomValue + "]";
				 var bbclose ="[/size]";
				 var dom  = $(id);
         insertBB(dom, bbopen, bbclose);
  			 storeCaret(dom);
         
}

function xoopsCodeFont(id) {
var fontDom = $(id + "Font");
var fontDomValue = fontDom.options[fontDom.options.selectedIndex].value;

				 var bbopen = "[font=" + fontDomValue + "]";
				 var bbclose ="[/font]";
				 var dom  = $(id);
         insertBB(dom, bbopen, bbclose);
  			 storeCaret(dom);
}

function xoopsCodeColor(id) {
var colorDom           = $(id + "Color");
var colorDomValue      = colorDom.options[colorDom.options.selectedIndex].value;

				 var bbopen = "[color=" + colorDomValue + "]";
				 var bbclose ="[/color]";
				 var dom  = $(id);
         insertBB(dom, bbopen, bbclose);
  			 storeCaret(dom);
}

function xoopsCodeSpoiler(id) {

}

function xoopsCodeSpoiler(id) {
	if ( typeof this.spoilid == 'undefined' ) this.spoilid = 0;

//	var result = "[spoil=" + spoilid + "][/spoil]";
//	this.spoilid++;
//	$(id).focus();
//	$(id).value += result;
	
	var bbopen = "[spoil=" + spoilid + "]";
	var bbclose ="[/spoil]";
	this.spoilid++;
	var dom  = $(id);
	insertBB(dom, bbopen, bbclose);
	storeCaret(dom);
}

function spoilerblock(block){
if ($(block).style.display == ''){
            $(block).style.display = 'none';
    }else{
            $(block).style.display = '';
    }
}

function xoopsCodeSmilie(id, smilieCode) {
var textareaDom = $(id);

textareaDom.focus();
textareaDom.value += smilieCode;
}


/********** MyOwn ******************/

function rc_show_image(u) {
window.open('/modules/myarticles/imagepreview.php?image='+u, '', 'resizable=1, scrollbars=yes');
}
function rc_image_show(u) {rc_show_image(u);}