gNoSelectionYet = gettext("No selection yet") ;
gFormHtml = {
		'formStart' 	:'<form id="###" onsubmit="return false;">',
		'nameInput' 	:gettext('Username:') + '<center><input id="###" name="name" class="n_name user_input" style="padding:1px;" type="text"></input></center>',
		'emailInput' 	:gettext('E-mail address:') + '<center><input id="###" name="email" class="n_email user_input" style="padding:1px;" type="text"></input></center>',
		'titleInput'	:gettext('Title:') + '<center><input id="###" name="title" class="n_title comment_input" style="padding:1px;" type="text"></input></center>',
		'contentInput' 	:gettext("Content:") + '<center><textarea id="###" name="content" class="n_content comment_input" rows="10" style="padding:1px;"></textarea></center>',
		'tagsInput' 	:gettext("Tag:") + '<center><input id="###" name="tags" class="n_tags comment_input" style="padding:1px;" type="text"></input></center>',
		'hidden' 		:'<input id="###" class="comment_input" name="???" type="hidden" value=""></input>',
		'formEnd' 		:'</form>',
		'changeScope' 	:'<div id="###">' + gettext("Modify comment's scope:") + '<input type="checkbox" name="change_scope"></input></div>',
		'headerTitle'	:'<center><div id="###" class="c-header-title"></div></center>',
		'currentSel'	:'<div id="###">' + gettext('Comment will apply to this selection:') + '<br/><div class="current_sel"><div id="???" class="current_sel_ins">' + gNoSelectionYet + '</div></div>#hiddeninput#</div>',
		'btns'			:'<center><input id="###" type="button" value="' + gettext('Save') + '" /><input id="???" type="button" value="' + gettext('Cancel') + '" /></center>',
		'closeIcon' 	:'<a id="###" class="c-close" title="' + gettext('close') + '"><em>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</em></a>'
		} ;

// returns {'headerContent':headerHtml, 'bodyContent':bodyHtml}
getHtml = function(ids) {
	ret = {} ;
	ret['headerContent'] = '' ;
	
	if ('closeBtnId' in ids)
		ret['headerContent'] += gFormHtml['closeIcon'].replace('###', ids['closeBtnId']) ;
	
	ret['headerContent'] += gFormHtml['headerTitle'].replace('###', ids['formTitleId']) ;

	var selEditChkBoxHtml = "" ;
	if ('changeScopeInputId' in ids)
		selEditChkBoxHtml = gFormHtml['changeScope'].replace('###', ids['changeScopeInputId']) ;
	
	var hiddenInput = '<center>'+gFormHtml['hidden'].replace('###', ids['selectionPlaceId']).replace('???', 'selection_place')+'</center>' ;
	var selectionTitleHtml = gFormHtml['currentSel'].replace('###', ids['currentSelId']).replace('???', ids['currentSelIdI']).replace('#hiddeninput#', hiddenInput) ;
	
	var btnsHtml =   gFormHtml['btns'].replace('###', ids['addBtnId']).replace('???', ids['cancelBtnId']) ;
	
	var html = gFormHtml['formStart'].replace('###', ids['formId']) + selEditChkBoxHtml + selectionTitleHtml ;
	
	if ('nameInputId' in ids)
		html = html + gFormHtml['nameInput'].replace('###', ids['nameInputId'])  ;
	if ('emailInputId' in ids)
		html = html + gFormHtml['emailInput'].replace('###', ids['emailInputId']) ;
	
	html = html + gFormHtml['titleInput'].replace('###', ids['titleInputId']) + gFormHtml['contentInput'].replace('###', ids['contentInputId']) + gFormHtml['tagsInput'].replace('###', ids['tagsInputId']);
	html = html + gFormHtml['hidden'].replace('###', ids['formatInputId']).replace('???', 'format') ;
	html = html + gFormHtml['hidden'].replace('###', ids['startWrapperInputId']).replace('???', 'start_wrapper') ;
	html = html + gFormHtml['hidden'].replace('###', ids['endWrapperInputId']).replace('???', 'end_wrapper') ;
	html = html + gFormHtml['hidden'].replace('###', ids['startOffsetInputId']).replace('???', 'start_offset') ;
	html = html + gFormHtml['hidden'].replace('###', ids['endOffsetInputId']).replace('???', 'end_offset') ;
	html = html + gFormHtml['hidden'].replace('###', ids['keyId']).replace('???', 'comment_key') ;
	html = html + gFormHtml['hidden'].replace('###', ids['editCommentId']).replace('???', 'edit_comment_id') ;
	html = html +  btnsHtml + gFormHtml['formEnd'] ;	
	ret['bodyContent'] = html ;
	return ret ;
} ;

changeFormFieldsWidth = function(formId, val) {
	var fieldWidth = (val - 20) +'px' ;
	var elts = CY.all("#" + formId + " input[type='text']") ;
	if (elts != null)
		elts.setStyle("width", fieldWidth) ;
	elts = CY.all("#" + formId + " textarea") ;
	if (elts != null)
		elts.setStyle("width", fieldWidth) ;
}

addFormErrMsg = function(formId, eltName, errorString) {
	var formElt = document.getElementById(formId) ;
    var i, e, s, ilen ;

    // Iterate over the form elements collection to construct the
    // label-value pairs.
    for (i = 0, ilen = formElt.elements.length; i < ilen; ++i) {
        e = formElt.elements[i];
        if (e.name == eltName) {
        	s = document.createElement('DIV') ;
        	CY.DOM.addClass(s, 'c-error') ;
        	s.id = e.id + '-err';
        	s.appendChild(document.createTextNode(errorString)) ;
        	if (e.parentNode.nextSibling)
        		e.parentNode.parentNode.insertBefore(s, e.parentNode.nextSibling) ;
        	else 
        		e.parentNode.parentNode.appendChild(s) ;
        }

    }
}

// frames['text_view_frame'].removeFormErrMsg(frames['text_view_frame'].gICommentForm['formId'])
removeFormErrMsg = function(formId) {
	var nodes = CY.all('#'+formId+' .c-error');
	if (nodes != null)
		nodes.each(function (node) {node.get('parentNode').removeChild(node) ;}) ;
}