// Chained Menu

// Copyright Xin Yang 2004
// Web Site: www.yxScripts.com
// EMail: m_yangxin@hotmail.com
// Last Updated: 2004-08-23

// This script is free as long as the copyright notice remains intact.

var _disable_empty_list=false;
var _hide_empty_list=false;

// ------

///// DynamicDrive.com added function/////////////

var onclickaction="alert"

function goListGroup(){
	for (i=arguments.length-1;i>=0; i--){
		if (arguments[i].selectedIndex!=-1){
			var selectedOptionvalue=arguments[i].options[arguments[i].selectedIndex].value
			if (selectedOptionvalue!=""){
				if (Page == 'faq-page')
				{
					selectedOptionvalue = '/en/support/support.php?form=' + selectedOptionvalue;
				}
				else
				{
					selectedOptionvalue = 'support.php?form=' + selectedOptionvalue;
				}

				if (onclickaction=="alert")
					alert(selectedOptionvalue);
				else if (newwindow==1)
					window.open(selectedOptionvalue);
				else
					window.location = selectedOptionvalue;
				break
			}
		}
	}
}

///// END DynamicDrive.com added function//////


if (typeof(disable_empty_list)=="undefined") { disable_empty_list=_disable_empty_list; }
if (typeof(hide_empty_list)=="undefined") { hide_empty_list=_hide_empty_list; }

var cs_goodContent=true, cs_M="M", cs_L="L", cs_curTop=null, cs_curSub=null;

function cs_findOBJ(obj, n)
{
	for(var i=0; i<obj.length; i++)
	{
		if (obj[i].name==n)
		{
			return obj[i];
		}
	}
	return null;
}

function cs_findContent(n)
{
	return cs_findOBJ(cs_content, n);
}

function cs_findM(m, n)
{
  if (m.name==n) { return m; }

  var sm=null;
  for (var i=0; i<m.items.length; i++) {
    if (m.items[i].type==cs_M) {
      sm=cs_findM(m.items[i],n);
      if (sm!=null) { break; }
    }
  }
  return sm;
}
function cs_findMenu(n) { return (cs_curSub!=null && cs_curSub.name==n)?cs_curSub:cs_findM(cs_curTop,n); }

function cs_contentOBJ(n,obj){ this.name=n; this.menu=obj; this.lists=new Array(); this.cookie=""; }; cs_content=new Array();
function cs_topmenuOBJ(tm) { this.name=tm; this.items=new Array(); this.df=0; this.addM=cs_addM; this.addL=cs_addL; }
function cs_submenuOBJ(dis,link,sub) {
  this.name=sub;
  this.type=cs_M; this.dis=dis; this.link=link; this.df=0;

  var x=cs_findMenu(sub);
  this.items=x==null?new Array():x.items;

  this.addM=cs_addM; this.addL=cs_addL;
}
function cs_linkOBJ(dis,link) { this.type=cs_L; this.dis=dis; this.link=link; }

function cs_addM(dis,link,sub) { this.items[this.items.length]=new cs_submenuOBJ(dis,link,sub); }
function cs_addL(dis,link) { this.items[this.items.length]=new cs_linkOBJ(dis,link); }

function cs_showMsg(msg) { window.status=msg; }
function cs_badContent(n) { cs_goodContent=false; cs_showMsg("["+n+"] Not Found."); }

function cs_optionOBJ(text,value) { this.text=text; this.value=value; }
function cs_emptyList(list) { for (var i=list.options.length-1; i>=0; i--) { list.options[i]=null; } }
function cs_refreshList(list,opt,df) {
  cs_emptyList(list);

  for (var i=0; i<opt.length; i++) {
    list.options[i]=new Option(opt[i].text, opt[i].value);
  }

  if (opt.length>0) {
    list.selectedIndex=df;
  }
}
function cs_getOptions(menu) {
  var opt=new Array();
  for (var i=0; i<menu.items.length; i++) {
    opt[i]=new cs_optionOBJ(menu.items[i].dis, menu.items[i].link);
  }
  return opt;
}
function cs_updateListGroup(content,idx,sidx,mode) {
  var i=0, curItem=null, menu=content.menu;

  while (i<idx) {
    menu=menu.items[content.lists[i++].selectedIndex];
  }

  if (menu.items[sidx].type==cs_M && idx<content.lists.length-1) {
    var df=cs_getIdx(mode,content.cookie,idx+1,menu.items[sidx].df);

    cs_refreshList(content.lists[idx+1], cs_getOptions(menu.items[sidx]), df);
    if (content.cookie) {
      cs_setCookie(content.cookie+"_"+(idx+1),df);
    }

    if (idx+1<content.lists.length) {
      if (disable_empty_list) {
        content.lists[idx+1].disabled=false;
      }
      if (hide_empty_list) {
        content.lists[idx+1].style.display="";
      }

      cs_updateListGroup(content,idx+1,df,mode);
    }
  }
  else {
    for (var s=idx+1; s<content.lists.length; s++) {
      cs_emptyList(content.lists[s]);

      if (disable_empty_list) {
        content.lists[s].disabled=true;
      }
      if (hide_empty_list) {
        content.lists[s].style.display="none";
      }

      if (content.cookie) {
        cs_setCookie(content.cookie+"_"+s,"");
      }
    }
  }
}
function cs_initListGroup(content,mode) {
  var df=cs_getIdx(mode,content.cookie,0,content.menu.df);

  cs_refreshList(content.lists[0], cs_getOptions(content.menu), df);
  if (content.cookie) {
    cs_setCookie(content.cookie+"_"+0,df);
  }

  cs_updateListGroup(content,0,df,mode);
}

function cs_updateList()
{
	var content = this.content;

	if(content.lists.length==2 && content.lists[0].selectedIndex>0 && content.lists[1].selectedIndex>0)
	{
		var form = document.getElementById('Versions').value;
		if (form == "(none)" || form==-1 || form!=null && form.length==0)
			return false;

		var curURL = window.location.href;
		if(curURL.indexOf('/en/support/support.php')==-1)
		{
			window.location.href = '/en/support/support.php?form=' + form;
		}
	}

	for (var i=0; i<content.lists.length; i++)
	{
    	if (content.lists[i]==this)
		{
      		if (content.cookie)
			{
        		cs_setCookie(content.cookie+"_"+i,this.selectedIndex);
      		}
			
			if (i<content.lists.length-1)
			{
				cs_updateListGroup(content,i,this.selectedIndex,"");
      		}
    	}
  	}
}

function cs_getIdx(mode,name,idx,df) {
  if (mode) {
    var cs_idx=cs_getCookie(name+"_"+idx);
    if (cs_idx!="") {
      df=parseInt(cs_idx);
    }
  }
  return df;
}

function _setCookie(name, value) {
  document.cookie=name+"="+value;
}
function cs_setCookie(name, value) {
  setTimeout("_setCookie('"+name+"','"+value+"')",0);
}

function cs_getCookie(name) {
  var cookieRE=new RegExp(name+"=([^;]+)");
  if (document.cookie.search(cookieRE)!=-1) {
    return RegExp.$1;
  }
  else {
    return "";
  }
}

function addListGroup(n, tm)
{
	if(cs_goodContent)
  	{
	 	cs_curTop = new cs_topmenuOBJ(tm);
		cs_curSub = null;

		var c = cs_findContent(n);
		if (c==null)
		{
			cs_content[cs_content.length] = new cs_contentOBJ(n, cs_curTop);
		}
		else
		{
			delete(c.menu); c.menu=cs_curTop;
		}
	}
}

function addList(n, dis, link, sub, df)
{
	if (cs_goodContent)
	{
    	cs_curSub=cs_findMenu(n);

		if (cs_curSub!=null)
		{
		  	cs_curSub.addM(dis,link||"",sub);
		  	if (typeof(df)!="undefined") { cs_curSub.df=cs_curSub.items.length-1; }
		}
		else
		{
			cs_badContent(n);
		}
	}
}

function addOption(n,dis,link,df)
{
	if (cs_goodContent)
	{
    	cs_curSub=cs_findMenu(n);

		if (cs_curSub!=null)
		{
		  	cs_curSub.addL(dis,link||"");
		  	if (typeof(df)!="undefined")
			{
				cs_curSub.df=cs_curSub.items.length-1;
			}
		}
		else
		{
			cs_badContent(n);
		}
	}
}

function initListGroup(n)
{
	var _content = cs_findContent(n), count=0;
	if (_content!=null)
	{
    	content = new cs_contentOBJ("cs_"+n,_content.menu);
	    cs_content[cs_content.length] = content;

		for (var i=1; i<initListGroup.arguments.length; i++)
		{
			if (typeof(arguments[i])=="object" && arguments[i].tagName && arguments[i].tagName=="SELECT")
			{
				content.lists[count]=arguments[i];

				arguments[i].onchange=cs_updateList;
				arguments[i].content=content; arguments[i].idx=count++;
			}
			else if (typeof(arguments[i])=="string" && /^[a-zA-Z_]\w*$/.test(arguments[i]))
			{
				content.cookie=arguments[i];
		  	}
		}

		if (content.lists.length>0)
		{
			cs_initListGroup(content,content.cookie);
		}
	}
}

function resetListGroup(n)
{
	var content=cs_findContent("cs_"+n);
  	if (content!=null && content.lists.length>0)
	{
    	cs_initListGroup(content,"");
  	}
}

function checkform ( form )
{
	if (form.name.value == "") {
		alert( "Please enter your name." );
		form.name.focus();
		return false ;
	}

	if(form.email.value == "")
	{
		alert( "Please enter your e-mail." );
		form.email.focus();
		return false ;
  	}

	return true;
}

function checkmail ( form )
{
	if (form.email.value == "")
	{
		alert( "Please enter your e-mail." );
		form.email.focus();
		return false ;
	}
	
	return true ;
}

function initMenuLoc()
{
	if (Page == 'support-page' || Page == 'faq-page')
	{
		initListGroup('chainedmenu', document.versionlist.Products, document.versionlist.Versions, 'savestate');
	}
}