/***********************  Svenska Verb Programm functions ***********************/

function initiateSearch(inputObj, words, noinit){
	if(inputObj){
		var w = words;
		this.el = inputObj;
		if(words.length >0){
			this.el.value = words;
			this.el.className = 'def'
			var el = this.el;
			
			if(typeof noinit == 'undefined' || !noinit){
				addEvent(this.el, "focus", function(){if(el.value == w){el.value = ""; el.className = ''; }} );
				addEvent(this.el, "blur", function(){if(el.value == ""){el.value = w; el.className = 'def';}} );					
			}
		}
	}
}


function switch_lang(l){ }

/* cleaning up the array from empty elements */
v = JSONverbs;

function default_settings(){	
	v = JSONverbs;
	
	initiateSearch(byId('search'), _v['search'], true);
	byId('limit').value = 10;
	byId('_g_1').checked = true;
	byId('_g_2a').checked = true;
	byId('_g_2b').checked = true;
	byId('_g_3').checked = true;
	byId('_g_4').checked = true;
	byId('_g_4o').checked = true;
	byId('_sfi_c').checked = true;
	byId('_sfi_d').checked = true;
	byId('_sas_gr').checked = true;
	
	byId('field_show_group').checked = true;
	byId('field_show_infinitiv').checked = true;
	byId('field_show_imperativ').checked = false;
	byId('field_show_presens').checked = true;
	
	//byId('_l_1').checked = false;	
	byId('field_show_russian').checked = (_v['active_lang'] != 'en')? true : false;	
	byId('field_show_english').checked = (_v['active_lang'] != 'ru')? true : false;
	
	var radio=document.getElementsByName("field_sel");
	radio[0].checked = true;
	//for(i in els){
	//	if(els[i].checked){			
	//		this.mainSelected = els[i].value;
	//		break;
	//	}
	//}
	
	shuffle(v);
	build_table();
	start = 0;
}

function _search(){
	start = 0;
	var str = byId('search').value.toLowerCase();
	var pattern = new RegExp("^"+str);
	var _s = JSONverbs;
	if(str.length > 0){
		v = [];
		for(var i = 0, l = _s.length; i < l; i++){
			//making it read multi-values
			var infArr = _s[i].infinitiv.toLowerCase().split(/~/);
			
			for(var k=0,m=infArr.length;k<m;k++){
				if(pattern.test(infArr[k])){  				
					v[v.length] = _s[i];
					break;
				}
			}
					
			//if(pattern.test(_s[i].infinitiv.toLowerCase())){  
			//	v[v.length] = _s[i];
			//}
		}
		
		
		//alert(i + " t:" +_s.length + " "+_s[1]);		
		//v = clean_up_array(_s);			
	}else{v = _s;}
	build_table();
	byId('search').focus();
}

function _groups(){
	start = 0;
	var _verbs = JSONverbs;	
	var arr = [];
	var _gr = [];	
	var _lvl = [];	
	
	_gr[0] = byId('_g_1');
	_gr[1] = byId('_g_2a');
	_gr[2] = byId('_g_2b');
	_gr[3] = byId('_g_3');
	_gr[4] = byId('_g_4');
	_gr[5] = byId('_g_4o');
	_lvl['c'] = byId('_sfi_c');
	_lvl['d'] = byId('_sfi_d');	
	_lvl['sasgr'] = byId('_sas_gr');	
	_lvl['sasa'] = byId('_sas_a');	
	_lvl['sasa'] = byId('_sas_b');	

	this.valInArrays = function(val, arr){		
		for(x in arr){
			if(typeof arr[x] != 'function' && arr[x].checked && val == arr[x].value){
				return true
			}
		}
		return false;
	}
	
	for(var i = 0, l=_verbs.length; i < l; i++){		
		//alert()
		if(this.valInArrays(_verbs[i].level, _lvl) && this.valInArrays(_verbs[i].group, _gr)){ arr.push(_verbs[i]); }
	}
	
	v = clean_up_array(arr,0);
	build_table();
	
	var txt = [];
	if(_lvl['c'].checked == true){txt[txt.length] = 'SFI C';}
	if(_lvl['d'].checked == true){txt[txt.length] = 'SFI D';}
	if(_lvl['sasgr'].checked == true){txt[txt.length] = 'SAS Grundläggande';}
	//if(_lvl['sasa'].checked == true){txt[txt.length] = 'SAS A';}
	//if(_lvl['sasb'].checked == true){txt[txt.length] = 'SAS B';}
	
	if(txt.length < 1){txt[0] = _v['not chosen'];}
	var h3 = byId('verb_sel');
	byId('_sel_lvl').innerHTML = txt.join(', ')+', ';
	
	txt = [];
	if(_gr[0].checked == true){txt[txt.length] = '1';}
	if(_gr[1].checked == true){txt[txt.length] = '2a';}
	if(_gr[2].checked == true){txt[txt.length] = '2b';}
	if(_gr[3].checked == true){txt[txt.length] = '3';}
	if(_gr[4].checked == true){txt[txt.length] = '4 starka';}
	if(_gr[5].checked == true){txt[txt.length] = '4 oregelbundna';}
	if(txt.length < 1){txt[0] = _v['not chosen'];}
	byId('_sel_gr').innerHTML = txt.join(', ');
}

var v;
var tries = 0;
var correct = 0;

function check(el, isLastPage){
	if(typeof isLastPage == 'undefined') isLastPage = true;
	//var el = byId('_val'+i+'_'+p);
	var td = el.parentNode;
	var id = el.id.substr(4);
	id = id.split("_");
	//alert(id);
	
	var ans = v[id[0]][id[1]];
	
	var changeFocus = true;
	
	var elValue = trim(el.value);
	
	if(elValue.length > 0){
		
		var v_variats = ans.split('~');
		var _correct = 0;
		for(var k = 0, l=v_variats.length; k < l; k++){
			if(elValue.toLowerCase() == v_variats[k].toLowerCase()){ _correct = 1; break;}
		}
		
		if(_correct==1){
			//var pattern = new RegExp("<[input|INPUT]([^\n]+)>$");				
			//td.innerHTML = td.innerHTML.replace(pattern, '<strong>'+el.value+'</strong>');
			el.disabled = true;
			
			
			var re = 
			td.innerHTML = elValue;
			td.className = td.className.replace(new RegExp("\\bfel\\b") , "");											
			td.className+=' correct';			
			correct++;
			//re-initiate enter-key result
			if(!isLastPage) enter(byId('form'));
		}
		else{
			td.className = td.className.replace(new RegExp("\\bcorrect\\b") , "");								
			td.className = td.className.replace(new RegExp("\\bfel\\b") , "");								
			td.className+=' fel';
			changeFocus = false;
			
		}
		tries++;
		show_results();
	
	}
	
	
	return changeFocus;
}

function show_results(){	
		byId('result').innerHTML = (tries > 0)? Math.round(correct*100/tries)+'%' : '0%';	
		byId('_res').childNodes[0].style.width = (tries > 0)? Math.round(correct*100/tries)+'px' : 0;

		byId('tries').innerHTML = tries;
		byId('correct').innerHTML = correct;
}

function flush_res(){
	correct = '0';
	tries = '0';	
	show_results();
}

var start = 0;

function build_table(){
	
	var limit = parseInt(byId('limit').value);
	if(isNaN(limit) || limit <= 0){limit = 10;}

	//limit = 2
	//start = 5
	var p = Math.round(v.length/limit);
	//if(p < 0){p = 1;}
	if(p*limit > v.length){
		var last_limit = v.length - ((p-1)*limit);
	}else if(p*limit < v.length){
		var last_limit = v.length - ((p-1)*limit);
		p+=1;
	}else if(p*limit == v.length){var last_limit = limit;}
	
	var num = start/limit;
	
	switch_page(limit,start,num, p, last_limit);
	
	var elems = byId('search_res').getElementsByTagName("strong");
	replaceText( elems[1] , v.length);
	replaceText(elems[2], p);
	replaceText(elems[3], limit);
	
	//dropD.changeTable();
	//byId('pages_b').innerHTML = byId('pages').innerHTML.replace(/(id=["|']?\w+)(?=["|']?)/g,"$1_b");
	//vTable.build(limit,start);	
	
	/*************TODO**************/
	//to force to swich ( redirect? ) to verbs view if clicked on the buttons
	//loadDiv('verbs');
	/***************************/
}


//global array for pages link attributes
var pLinks = [];

//starts the function from params[0] - other attributes are stored in param[1] and so on;
function doFunction(params) {
	call = "params[0](";
	for(i = 1, l=params.length-1; i < l; i++) {
		call += "params["+i+"],";
	}
	call += "params["+(params.length-1)+"]);";	
	return eval(call);
}

function createPageLink(l_func, l_id, l_limit, l_i, l_p, l_act, l_txt, l_class){
	var a = document.createElement('a');
		a.href = "javascript:void(0);";
		a.id = l_id;
		a.className = l_class;
		if(l_class.indexOf('active') < 0 ){
			pLinks[l_id] = [l_func, l_limit, l_limit*l_i, l_i, l_p];
			if(l_class.indexOf('pass') < 0 ){
				a.onclick = function(evt){ 
					var id = this.id;
					//var attr = pLinks[id];	
						doFunction(pLinks[id]);				
						//switch_page(attr[0],attr[1],attr[2],attr[3]);
					};
			}
		}
	var txt = document.createTextNode(l_txt);
	a.appendChild(txt);
	return a;
}

function switch_page(limit,_start,act,p){
	//how many links before and after active page
	var n = 7;
	//before
	var less = (act <= n)? act : n;
	//after
	var more = ((p-(act+1)) < n)? p-(act+1) : n;
	less+= (more < n)? n-more : 0;
	more+= (less < n)? n-less : 0;
	
	//cleaning doubled content from parent
	var pages = byId('pages');
	var pages_b = byId('pages_b');
	clearText(pages);
	clearText(pages_b);
	
	//link holders
	var span = document.createElement("span");
	span.className = "p";
	var span2 = document.createElement("span");
	span2.className = "p";
	
	//prev page
	var cl = (act > 0)? '' : 'pass';
	span.appendChild( createPageLink(switch_page, "prev", limit, act-1, p, act,_v['previous'],cl+" servL") );
	span2.appendChild( createPageLink(switch_page, "prev_b", limit, act-1, p, act,_v['previous'],cl+" servL") );
	
	//creating page links
	for(var i = 0; i < p; i++){
		if(i >= (act-less) && i <= more+act){
			cl = (i==act)? "active" : '';
			span.appendChild( createPageLink(switch_page, "p_"+(i+1), limit, i, p, act,(i+1), cl) );			
			span2.appendChild( createPageLink(switch_page, "p_"+(i+1)+"_b", limit, i, p, act,(i+1), cl) );			
		}
	}
	//next page
	cl = (act < p-1)? '' : 'pass';
	span.appendChild( createPageLink(switch_page, "next", limit, act+1, p, act,_v['next'],cl+" servR") );
	span2.appendChild( createPageLink(switch_page, "next_b", limit, act+1, p, act,_v['next'],cl+" servR") );
		
	
	pages.appendChild(span);
	pages_b.appendChild(span2);

	vTable.build(limit,_start);	
	enter(byId('form'));
	start = _start;
}


function help(ans){
	var txt = _v['hint'] + ":\t\t";
	txt+= ans.replace(/(~)/g,' '+_v['or']+' ').toUpperCase();
	txt+="\n\n\n"+"("+_v['minus one point']+")";
	alert(txt);
	tries++;
	show_results();
}



function objTable(){


	this.init = function(){
		this.fieldSet = [];
		this.reInitiatefieldSet();
		
		this.div = byId('form');			
		this.table = document.createElement('table');
		this.table.id = 'verbs_table';
		this.TRs = [];
		
		this.allTypes = inputFieldTypes();
		this.availableTypes = [];
	
	}
	
	this.reInitiatefieldSet = function(){
											//	id		show/hide			value			training field or not                       always shown or not
		this.fieldSet['russian'] = new Array( '_rus1', (byId('field_show_russian').checked),  byId('field_show_russian').value, false, false  );
		this.fieldSet['english'] = new Array( '_eng1', (byId('field_show_english').checked),  byId('field_show_english').value, false, false );
		this.fieldSet['group'] = new Array( '_g1', (byId('field_show_group').checked),  byId('field_show_group').value, false, false );
		this.fieldSet['infinitiv'] = new Array( '_inf1', (byId('field_show_infinitiv').checked),  byId('field_show_infinitiv').value, true, false );
		this.fieldSet['imperativ'] = new Array( '_imp1', (byId('field_show_imperativ').checked),  byId('field_show_imperativ').value, true, false );
		this.fieldSet['presens'] = new Array( '_pres', true,  '', true, true );
		this.fieldSet['preteritum'] = new Array( '_pret', true,  '', true, true );
		this.fieldSet['supinum'] = new Array( '_sup', true,  '', true, true );
	}
	
	this.setAvailableTypes = function(){
		this.availableTypes = [];
		if(byId('field_show_infinitiv').checked) this.availableTypes['infinitiv'] = this.availableTypes[this.availableTypes.length] = new Array('infinitiv', byId('field_show_infinitiv'));
		if(byId('field_show_imperativ').checked) this.availableTypes['imperativ'] = this.availableTypes[this.availableTypes.length] = new Array('imperativ', byId('field_show_imperativ'));
		this.availableTypes['presens'] = this.availableTypes[this.availableTypes.length] = new Array('presens', byId('field_show_presens'));
		this.availableTypes['preteritum'] = this.availableTypes[this.availableTypes.length] = new Array('preteritum', byId('field_show_preteritum'));
		this.availableTypes['supinum'] = this.availableTypes[this.availableTypes.length] = new Array('supinum', byId('field_show_supinum'));
	}
	
	this.flush_table = function(){
		for(var i=0, l=this.TRs.length; i<l; i++){
			this.table.removeChild(this.TRs[i]);
		}
		this.TRs = [];
		this.reInitiatefieldSet();
		this.setAvailableTypes();
	}
	
	this.build = function(limit,start){
		this.flush_table();
		
		this.learningMode = true; //byId('_l_1').checked;
		
		this.mainSelected = false;
		var els=document.getElementsByName("field_sel");
		for(var i=0,l=els.length;i<l;i++){
			if(els[i].checked == true){			
				this.mainSelected = els[i].value;				
				break;
			}
		}
		
		
		var tr = this.createElement('tr');
		tr.appendChild( this.createElement('th', '№', '', '_nl', '') )
		
		for(i in this.fieldSet){
			if( typeof this.fieldSet[i] == "function" ){ continue; }
			var elClass = (!this.fieldSet[i][1])? "hidden" : "";
			elClass += (i == this.mainSelected) ? 'name' : '';
			var txt = '<span class="btn">';
						
			if(!this.fieldSet[i][4]){
				txt+='<label for="field_show_'+i+'" class="col-close"><img src="'+home_url+'img/spacer.gif" alt="" title="" /></label>';
			}
			
			if(this.fieldSet[i][3]){
				txt+='<label for="field_mode_'+i+'" class="col-mode"><img src="'+home_url+'img/spacer.gif" alt="" title="" /></label>';
			}
			txt+='<span class="lbl">'+_v['f_'+i]+'</span>';
			txt+='</span>';
			tr.appendChild( this.createElement('th', txt, elClass, this.fieldSet[i][0], i) )
					
		}
		this.TRs.push(tr);
		
		//this.availableTypes = inputFieldTypesShown(this.TRs[0], this.allTypes);
		var highLight = null;
		var forceName = false;
				
		for(var i=0; i<limit; i++){
			var c = i+start;
			if(typeof v[c] != 'undefined'){
								
				var tr = this.createElement('tr');
				tr.appendChild( this.createElement('td', (c+1), 'n') );
				
				highLight = (this.mainSelected == 'random')? this.availableTypes[ Math.floor(Math.random()*this.availableTypes.length) ][0] : this.mainSelected;
				
				for(_lType in this.fieldSet){
					if( typeof this.fieldSet[_lType] == "function" ){ continue; }
					var elClass = (!this.fieldSet[_lType][1])? "hidden" : "";
					

					if(this.fieldSet[_lType][3]){
						if(highLight == "learning"){
							tr.appendChild( this.cell_learn(c,_lType,v[c][_lType],elClass) );							
						}else{
							var val = trim(v[c][_lType]);
							
							if(_lType == highLight || forceName){
								if(val.length > 0){
									tr.appendChild( this.cell_bold(c,_lType,v[c][_lType],elClass) );
									forceName = false;
								}else{
									tr.appendChild( this.cell_txt(c,_lType,v[c][_lType],elClass) );	
									forceName = true;
								}
							
							}else{
								if(val.length > 0){
									tr.appendChild( this.cell_input(c,_lType,v[c][_lType],elClass) );
								}else{
									tr.appendChild( this.cell_txt(c,_lType,v[c][_lType],elClass) );	
								}
							
							}
						}
					}else{					
						tr.appendChild( this.cell_txt(c,_lType,v[c][_lType],elClass) );						
					}
				}
				this.TRs.push(tr);
			}
		}
		
		
		for(var i=0, l=this.TRs.length; i<l; i++){
			this.table.appendChild(this.TRs[i]);
		}
		
		this.div.appendChild(this.table);
		
		
		enter(byId('form'));
		
	}
	
	
	
	this.cell_learn = function(c, i, txt, elClass){
		txt = ( txt.length > 0)? txt.replace(/(~)/g,' <small>'+_v['or']+'</small> ') : '-';		

		var content = txt.replace(/(~)/g,' <small>'+_v['or']+'</small> ');
		
		return this.createElement('td', content, "learn "+elClass, '_td'+c+'_'+i, i) ; 
	}
	
	this.cell_input = function(c, i, txt, elClass){ 
		var content = '<input type="text"  id="_val'+c+'_'+i+'" value=""  /> <span class="help" onclick="help(\''+txt+'\')"> </span>';
		return this.createElement('td', content, "inp "+elClass, '_td'+c+'_'+i, i) ; 
		
	}
	
	this.cell_bold = function(c, i, txt, elClass){ 		
		if( isNaN(txt) ){
			txt = ( txt.length > 0)? txt.replace(/(~)/g,' <small>'+_v['or']+'</small> ') : '-';		
		}
		return this.createElement('td', txt, "name "+elClass, '_td'+c+'_'+i, i) ; 		
	}
	
	this.cell_txt = function(c, i, txt, elClass){
		txt = (typeof txt == "undefined")? "" : txt;
		if( isNaN(txt) ){
			if( txt.length > 0){
				txt = txt.replace(/(;)/g,';<br/>');
				txt = txt.replace(/(~)/g,' <small>'+_v['or']+'</small> ');
			}else{
				txt = '-';
			}
		}
		return this.createElement('td', txt, "tdTXT "+elClass, '_td'+c+'_'+i, i) ; 
	}
	
	
	
	this.createElement = function(tag, content, css, id, type ){
		var el = document.createElement(tag);
		el.innerHTML = (content)? content : "";
		el.className = (css)? css : "";
		el.id = (id)? id : "";
		el.setAttribute('type', type );
		return el;
		
	}
	
}

function setFocus(parentNodeObj){
	if(parentNodeObj){
		var inputs=parentNodeObj.getElementsByTagName('input');
		var re = new RegExp("\\bhidden\\b");
		for(var i=0, l=inputs.length;i<l;i++){
			var m = re.exec(inputs[i].parentNode.className);
			if( m == null){
				inputs[i].focus();				
				break;
			}
		}
	}
}

function manageColumns(col){
	var table = byId('verbs_table');
	

	this.processColumn = function(arr, col){
		for(var i=0,l=arr.length;i<l;i++){
			if(arr[i].getAttribute('type') == col){
				var re = new RegExp("\\bhidden\\b")
				var m = re.exec(arr[i].className);
				if (m == null) {
					arr[i].className += " hidden";
				}else{
					arr[i].className = arr[i].className.replace(re , "");				
				}
			}
		}
	}
	
	if(table){
	
		this.processColumn(table.getElementsByTagName('th'), col)
		this.processColumn(table.getElementsByTagName('td'), col)
		
		if(dropD.Active == col){
			dropD.setActive(dropD.buttonEls[dropD.defaultActive], true);			
		}else{			
			dropD.changeTable();		
		}
	}
}

function dropDown(){
	
	this.ActiveEL = null;
	this.Active = null;	
	this.defaultActive = "random";
	this.allTypes = [];
	this.availableTypes = [];						
	this.table = byId('verbs_table');
	this.TRs  = [];
	this.buttonEls = [];
	var obj = this;	
	
	this.setActive = function(el, append){				
		//if(append){ alert(el);}
		this.deActivate(this.ActiveEL, false);		
		this.Activate(el);
	}
	
	this.Activate = function(el, notable ){
		notable = (typeof notable != 'underline' && notable)? true : false;
		if(el){
			el.checked = true;
			el.className += " active";
			this.ActiveEL = el;			
			if(!notable) this.changeTable();
		}		
	}
	
	
	this.changeTable = function(){
		if(this.table){		
			if(this.TRs.length >0){
				this.Active = this.ActiveEL.value;
				this.availableTypes = [];
				//alert('1');
				var _lType = null;
				
				for( var i=0, l = this.TRs[0].childNodes.length; i<l;i++){
					_lType = this.TRs[0].childNodes[i].getAttribute('type')
					var _cl = this.TRs[0].childNodes[i].className;
					if(_lType == this.Active){
						_cl = _cl.replace('hidden','');
						if(_cl.indexOf('name') < 0){_cl+=" name";}
					}else{
						_cl = _cl.replace('name','');						
					}
					this.TRs[0].childNodes[i].className = _cl;
				}
					
				this.availableTypes = inputFieldTypesShown(this.TRs[0], this.allTypes);
				
				
				//var dump = byId('dump');
				//dump.innerHTML = "";
				for(x in this.availableTypes){
					if(typeof this.availableTypes[x][1] == 'object'){
						if(!this.availableTypes[x][1].checked){ 
							this.availableTypes[x][1].checked = true; 	
							//alert(this.availableTypes[x][0]);
						}
						//dump.innerHTML+=x+". " + this.availableTypes[x][0]+"<br/>";
					}
				}
				//dump.innerHTML+= "length = " + this.availableTypes.length+"<br/>";
				

				var forceName = false;
				var highLight = null
				_lType = null
				
				for(var i = 1, l=this.TRs.length;i<l;i++){
					highLight = (this.Active == 'random')? this.availableTypes[ Math.floor(Math.random()*this.availableTypes.length) ][0] : this.Active;						
					for( var x=0, t = this.TRs[i].childNodes.length; x<t;x++){
						var Cell = this.TRs[i].childNodes[x];
						_lType = Cell.getAttribute('type');
						if(typeof this.availableTypes[_lType] != 'undefined'){
							var re = new RegExp(/(_td)(\d+)(_)/);
							var m = re.exec(Cell.id);
							if(m && v[m[2]] && typeof v[m[2]][_lType] != 'undefined'){						
								if(vTable){
									Cell.className = Cell.className.replace('hidden','');
									var newCell = null;
									if(highLight == 'learning'){
										newCell = vTable.cell_learn(m[2], _lType, v[m[2]][_lType], "");
										this.TRs[i].replaceChild(newCell, Cell);	
									}else{
										if(	_lType == highLight || forceName){
											if(Cell.className.indexOf('name') < 0 || forceName){
												
												if( v[m[2]][_lType].length > 0 ){
													newCell = vTable.cell_bold(m[2], _lType, v[m[2]][_lType], "");											
													forceName = false;
												}else{
													newCell = vTable.cell_txt(m[2], _lType, v[m[2]][_lType], "");	
													forceName = true;													
												}
												
												this.TRs[i].replaceChild(newCell, Cell);															
											}
										}else{
											if(Cell.className.indexOf('name') > -1 || Cell.className.indexOf('learn') > -1){
												if( v[m[2]][_lType].length > 0 ){
													newCell = vTable.cell_input(m[2], _lType, v[m[2]][_lType], "");											
												}else{
													newCell = vTable.cell_txt(m[2], _lType, v[m[2]][_lType], "");																							
												}
												
												this.TRs[i].replaceChild(newCell, Cell);										
											}												
										}
									}
									newCell = null;
								}
							}
						}
						Cell = null;
					}
					//break;
				}			
			}
			enter(byId('form'));
		}		
	}
	
	
	this.deActivate = function(el, append){	
		if(el){			
			el.className = el.className.replace(" active", "");			
		}
	}	
		
	this.init = function(){	
		this.allTypes = inputFieldTypes();
		 
		if(this.table){			
			this.TRs  = this.table.getElementsByTagName('tr');		
		}
		
		var els=document.getElementsByName("field_sel");
		for(var i=0,l=els.length;i<l;i++){
			addEvent(els[i],"click", function(){ obj.setActive(this); return false;} ) 			
			if(els[i].checked == true ){ 
				this.defaultActive = els[i].value;
				this.Activate(els[i], true);				
			}
			else{ this.deActivate( els[i] , true); }
			this.buttonEls[els[i].value] = els[i];
		}
	}
	
	//initiate Object
	this.init();
}

function inputFieldTypes(){
	this.allTypes = [];
	this.allTypes['infinitiv'] = new Array('infinitiv', byId('field_show_infinitiv'));	
	this.allTypes['imperativ'] =  new Array('imperativ', byId('field_show_imperativ'));
	this.allTypes['presens'] =  new Array('presens', byId('field_show_presens'));
	this.allTypes['preteritum'] =  new Array('preteritum', byId('field_show_preteritum'));
	this.allTypes['supinum']= new Array('supinum', byId('field_show_supinum'));
	return this.allTypes;
}

function inputFieldTypesShown(TR, allTypesArr){
	this.availableTypes = []
	if(TR){
		for( var i=0, l = TR.childNodes.length; i<l;i++){
			var _lType = TR.childNodes[i].getAttribute('type');
			if(TR.childNodes[i].className.indexOf('hidden') < 0  && (typeof allTypesArr[_lType] != 'undefined') ){
				this.availableTypes[this.availableTypes.length] =  allTypesArr[_lType];												
				this.availableTypes[_lType] =  allTypesArr[_lType];															
			}
		}
	}
	return this.availableTypes;
}

/*************************/

var dropD = null;