// $Header: /cvsroot/tikiwiki/tiki/lib/tiki-js.js,v 1.9.2.9 2003/07/31 01:59:23 teedog Exp $

function chgArtType() {
  if(document.getElementById('articletype').value=='Article') {
    document.getElementById('isreview').style.display="none";
  } else {
    document.getElementById('isreview').style.display="block";
  }
}

function chgTrkFld() {
  if(document.getElementById('trkfldtype').value=='d') {
    document.getElementById('trkfldoptions').style.display="block";	
  } else {
    document.getElementById('trkfldoptions').style.display="none";		
  }
}


function setMenuCon(foo1,foo2) {
  document.getElementById('menu_url').value=foo1;
  document.getElementById('menu_name').value=foo2;
}

function genPass(w1,w2,w3){
  vo="aeiouAEU";
  co="bcdfgjklmnprstvwxzBCDFGHJKMNPQRSTVWXYZ0123456789_$%#";
  s=Math.round(Math.random());
  l=8;
  p='';
  for (i=0; i < l; i++)
  {
    if (s)
    {
      letter=vo.charAt(Math.round(Math.random() * (vo.length - 1) ));
      s=0;
    } else
    {
      letter=co.charAt(Math.round(Math.random() * (co.length - 1) ));
      s=1;
    }
    p=p + letter;
  }
  document.getElementById(w1).value=p;
  document.getElementById(w2).value=p;
  document.getElementById(w3).value=p;
}

function setUserModule(foo1) {
  document.getElementById('usermoduledata').value=foo1;
}

function setSomeElement(fooel,foo1) {
  document.getElementById(fooel).value=document.getElementById(fooel).value + foo1;
}

function replaceSome(fooel,what,repl) {
  document.getElementById(fooel).value = document.getElementById(fooel).value.replace(what,repl);
}

function replaceLimon(vec) {
  document.getElementById(vec[0]).value = document.getElementById(vec[0]).value.replace(vec[1],vec[2]);
}

function setUserModuleFromCombo(id) {
  document.getElementById('usermoduledata').value=document.getElementById('usermoduledata').value + document.getElementById(id).options[document.getElementById(id).selectedIndex].value;
  //document.getElementById('usermoduledata').value='das';
}

function show(foo) {
    document.getElementById(foo).style.display="block";
}

function hide(foo) {
    document.getElementById(foo).style.display="none";
}

function flip(foo) {
  if( document.getElementById(foo).style.display == "none") {
    show(foo);
  } else {
		if( document.getElementById(foo).style.display == "block") {
			hide(foo);
		} else {
			show(foo);
		}
	}
}

function toggle(foo) {
  if( document.getElementById(foo).style.display == "none") {
    show(foo);
    setCookie(foo, "o");
  } else {
  	if( document.getElementById(foo).style.display == "block") {
	    hide(foo);
	    setCookie(foo, "c");
	} else {
	    show(foo);
	    setCookie(foo, "o");
	}
  }
}

function setfoldericonstate(foo) {
	pic = new Image();
	if (getCookie(foo) == "o")
 	{
		pic.src = "img/icons/o"+foo+".gif";
	} else {
		pic.src = "img/icons/"+foo+".gif";
	}
	document.getElementsByName(foo+'icn')[0].src = pic.src;
}

function setfolderstate(foo) {
	if (getCookie(foo) == "o")
 	{
		show(foo);
	} else {
		hide(foo);
	}
	setfoldericonstate(foo);
}

function icntoggle(foo) {
  if( document.getElementById(foo).style.display == "none") {
    show(foo);
    setCookie(foo, "o");
  } else {
    hide(foo);
    setCookie(foo, "c");
  }
  setfoldericonstate(foo);
}

//
// set folder icon state during page load
//
function setFolderIcons() { 
  var elements      = document.forms[the_form].elements[elements_name];
  var elements_cnt  = (typeof(elements.length) != 'undefined') ? elements.length : 0;
  if (elements_cnt) {
    for (var i = 0; i < elements_cnt; i++) {
      elements[i].checked = document.forms[the_form].elements[switcher_name].checked;
    } 
  } else {
    elements.checked        = document.forms[the_form].elements[switcher_name].checked;;
  } // end if... else
  return true;
} // setFolderIcons()

// name - name of the cookie
// value - value of the cookie
// [expires] - expiration date of the cookie (defaults to end of current session)
// [path] - path for which the cookie is valid (defaults to path of calling document)
// [domain] - domain for which the cookie is valid (defaults to domain of calling document)
// [secure] - Boolean value indicating if the cookie transmission requires a secure transmission
// * an argument defaults when it is assigned null as a placeholder
// * a null placeholder is not required for trailing omitted arguments
function setCookie(name, value, expires, path, domain, secure) {
  var curCookie = name + "=" + escape(value) +
      ((expires) ? "; expires=" + expires.toGMTString() : "") +
      ((path) ? "; path=" + path : "") +
      ((domain) ? "; domain=" + domain : "") +
      ((secure) ? "; secure" : "");
  document.cookie = curCookie;
}

// name - name of the desired cookie
// * return string containing value of specified cookie or null if cookie does not exist
function getCookie(name) {
  var dc = document.cookie;
  var prefix = name + "=";
  var begin = dc.indexOf("; " + prefix);
  if (begin == -1) {
    begin = dc.indexOf(prefix);
    if (begin != 0) return null;
  } else
    begin += 2;
  var end = document.cookie.indexOf(";", begin);
  if (end == -1)
    end = dc.length;
  return unescape(dc.substring(begin + prefix.length, end));
}

// name - name of the cookie
// [path] - path of the cookie (must be same as path used to create cookie)
// [domain] - domain of the cookie (must be same as domain used to create cookie)
// * path and domain default if assigned null or omitted if no explicit argument proceeds
function deleteCookie(name, path, domain) {
  if (getCookie(name)) {
    document.cookie = name + "=" + 
    ((path) ? "; path=" + path : "") +
    ((domain) ? "; domain=" + domain : "") +
    "; expires=Thu, 01-Jan-70 00:00:01 GMT";
  }
}

// date - any instance of the Date object
// * hand all instances of the Date object to this function for "repairs"
function fixDate(date) {
  var base = new Date(0);
  var skew = base.getTime();
  if (skew > 0)
    date.setTime(date.getTime() - skew);
}

//
// Expand/collapse lists
//
function flipWithSign(foo) {
 if( document.getElementById(foo).style.display == "none") {
  show(foo);
  collapseSign("flipper"+foo);
  setCookie(foo,"o");
 } else {
  hide(foo);
  expandSign("flipper"+foo);
  setCookie(foo,"c");
 }
}

// set the state of a flipped entry after page reload
function setFlipWithSign(foo)
{
  if (getCookie(foo) == "o") {
    collapseSign("flipper"+foo);
    show(foo);
  }
  else {
    expandSign("flipper"+foo);
    hide(foo);
  }
}

function expandSign(foo) {
 document.getElementById(foo).firstChild.nodeValue="[+]";
}

function collapseSign(foo) {
 document.getElementById(foo).firstChild.nodeValue="[-]";
} // flipWithSign()

//
// Check / Uncheck all Checkboxes
//
function switchCheckboxes(the_form,elements_name,switcher_name) { 
  // checkboxes need to have the same name elements_name
  // e.g. <input type="checkbox" name="my_ename[]">, will arrive as Array in php.
  var elements      = document.forms[the_form].elements[elements_name];
  var elements_cnt  = (typeof(elements.length) != 'undefined') ? elements.length : 0;
  if (elements_cnt) {
    for (var i = 0; i < elements_cnt; i++) {
      elements[i].checked = document.forms[the_form].elements[switcher_name].checked;
    } 
  } else {
    elements.checked        = document.forms[the_form].elements[switcher_name].checked;;
  } // end if... else
  return true;
} // switchCheckboxes()


//
// Set client offset (in minutes) to a cookie to avoid server-side DST issues
// Added 7/25/03 by Jeremy Jongsma (jjongsma@tickchat.com)
//
var expires = new Date();
var offset = -(expires.getTimezoneOffset() * 60);
expires.setFullYear(expires.getFullYear()+1);
setCookie("tz_offset", offset, expires, "/");


// function added for use in navigation dropdown
// example :
// <select name="anything" onchange="go(this);">
// <option value="http://tikiwiki.org">tikiwiki.org</option>
// </select>
function go(o){
	if (o.options[o.selectedIndex].value != "") {
		location = o.options[o.selectedIndex].value;
		o.options[o.selectedIndex] = 1;
	}
	return false;
}