var deleteIcon = new Image(); deleteIcon.src = "images/del.gif";
var restoreIcon = new Image(); restoreIcon.src = "images/undo.gif";

function eg_getNextCell(cell, step){
	var row = cell.parentElement;
	var table = row.parentElement;
	var ci, ri;
	ci = cell.cellIndex + step;
	ri = row.rowIndex;
	if(ci >= row.cells.length) {ci = 0; ri++; }
	if(ci < 0) { ci = row.cells.length - 1; ri--; }
	if(ri >= table.rows.length) { ri = table.rows.length - 1; }
	if(ri < 0) { ri = 0; }
	return table.rows(ri).cells(ci);
}

function eg_getCellInNextRow(cell, step){
	var row = cell.parentElement;
	var table = row.parentElement;
	var ci, ri;
	ci = cell.cellIndex;
	ri = row.rowIndex + step;
	if(ri >= table.rows.length) { ri = table.rows.length - 1; }
	if(ri < 0) { ri = 0; }
	return table.rows(ri).cells(ci);
}

function eg_changeHandler(event){
	if(!event)event = window.event;
	srcElement = event.srcElement ? event.srcElement : event.target;
try{
	var cell = srcElement.parentNode;
	var row = cell.parentNode;
	var table = row.parentNode;
	var newRow = "";
	var tplRow = null;
	if(table.all)
		tplRow = table.all['emptyRowTemplate'];
	else
		tplRow = table.rows['emptyRowTemplate'];
	
	if(row.rowIndex == (table.rows.length - 1)){
		newRow = tplRow.cloneNode(true);
		newRow.style.display = '';//newRow.style.display = 'block';
		newRow.id = '';
		// в измененную строку вставляем кнопку удаления
		row.cells[row.cells.length - 1].innerHTML = "<a href='javascript:void(0);' onclick='eg_deleteRow(this);' disableLinkClickHandler='true'><img src='"+deleteIcon.src+"' border=0></a>";
		var rowItemsCnt;
		var rowItems;
		var newRowItems;
		var tplRowItems;
		if(row.all){
			rowItemsCnt = row.all.length;
			rowItems = row.all;
			newRowItems = newRow.all;
			tplRowItems = tplRow.all;
		}else{
			newRowItems = _getAll(newRow);
			tplRowItems = _getAll(tplRow);
			rowItems = _getAll(row);
			rowItemsCnt = rowItems.length;
		}
		for(var i =0; i <rowItemsCnt; i++){
			if(rowItems[i].tagName == 'INPUT' || rowItems[i].tagName == 'TEXTAREA' || rowItems[i].tagName == 'SELECT'){
				rowItems[i].isNew = true;
				rowItems[i].name = '__new__' + rowItems[i].name.substr(9);
				rowItems[i].name = rowItems[i].name.replace(/\<\%egID\%\>/, table.rows.length);
				rowItems[i].id = rowItems[i].name;
				
				var isMSIE = /*@cc_on!@*/false;
				if (!isMSIE) {
					if (!rowItems[i].value.length) {
						rowItems[i].value = tplRowItems[i].value;
					}
					newRowItems[i].value = '';
				}
				cloneEvents(tplRowItems[i], newRowItems[i]);
				
				if(rowItems[i].tagName != 'SELECT') rowItems[i].onpropertychange = null;
			}
		}
		if(row.className.indexOf('dark') == -1){ AddClass(newRow,'dark'); }else{ RemoveClass(newRow,'dark'); }
		if(row.insertAdjacentElement)
			row.insertAdjacentElement("afterEnd", newRow);
		else{
			row.parentNode.insertBefore(newRow, _getNextTr(row));
		}
	}
	return true;
}catch(e){/*alert('eg_changeHandler: '+e.message);*/}
}

function cloneEvents(tplRowElement, rowElement){
	rowElement.evt = tplRowElement.evt;
	for(var i in tplRowElement.evt){
		_attachEvent(rowElement, i, InvokeEvent);
	}
}

function eg_onPropertyChange(event){
	if(!event)event=window.event;
	srcElement = event.srcElement ? event.srcElement : event.target;
	try{
		if(isIE){
			if((event.propertyName == 'value' || event.propertyName == 'checked') && srcElement && srcElement.value && srcElement.value.length>0) eg_changeHandler(event);
		}else{
			eg_changeHandler(event);
		}
		
	}catch(e){}
}

function eg_onFocus(event){
	if(!event)event=window.event;
	srcElement = event.srcElement ? event.srcElement : event.target;
	try{
		srcElement.select();
	}catch(e){}
}

function eg_setEventHandlers(){
	var tables = document.getElementsByTagName("TABLE");
	for(var i = 0; i < tables.length; i++){
		if(tables[i].className == "listtable editable"){
			var inputs = tables[i].getElementsByTagName("INPUT");
			for(var j = 0; j < inputs.length; j++){
				if(inputs[j].egEventAttached)continue;
				AddEvent(inputs[j], 'onpropertychange', eg_onPropertyChange);
				AddEvent(inputs[j], 'onchange', eg_onPropertyChange);
				AddEvent(inputs[j], 'onfocus', eg_onFocus);
				inputs[j].egEventAttached = true;
			}
			inputs = tables[i].getElementsByTagName("TEXTAREA");
			for(var j = 0; j < inputs.length; j++){
				if(inputs[j].egEventAttached)continue;
				AddEvent(inputs[j], 'onpropertychange', eg_onPropertyChange);
				AddEvent(inputs[j], 'onchange', eg_onPropertyChange);
				AddEvent(inputs[j], 'onfocus', eg_onFocus);
				inputs[j].egEventAttached = true;
			}
			inputs = tables[i].getElementsByTagName("SELECT");
			for(var j = 0; j < inputs.length; j++){
				if(inputs[j].egEventAttached)continue;
				AddEvent(inputs[j], 'onpropertychange', eg_onPropertyChange);
				AddEvent(inputs[j], 'onchange', eg_onPropertyChange);
				AddEvent(inputs[j], 'onfocus', eg_onFocus);
				inputs[j].egEventAttached = true;
			}
			/*for(var j = 0; j < tables[i].all.length; j++){
				if((tables[i].all[j].tagName == "INPUT" || tables[i].all[j].tagName == "TEXTAREA" || tables[i].all[j].tagName == "SELECT") && !tables[i].all[j].egEventAttached){
					AddEvent(tables[i].all[j], 'onpropertychange', eg_onPropertyChange);
					AddEvent(tables[i].all[j], 'onfocus', eg_onFocus);
					tables[i].all[j].egEventAttached = true;
				}
			}*/
		}
	}
}

function eg_getElementInCell(cell){
	var element = null;
	if(cell.getElementsByTagName("INPUT").length > 0) element = cell.getElementsByTagName("INPUT")[0];
	else if(cell.getElementsByTagName("TEXTAREA").length > 0) element = cell.getElementsByTagName("TEXTAREA")[0];
	else if(cell.getElementsByTagName("SELECT").length > 0) element = cell.getElementsByTagName("SELECT")[0];
	return element;
}

function eg_kbdHandler(){
	return true;
	var table, nextCell, nextElement;
	if(!event.shiftKey && !event.altKey && !event.ctrlKey){
		switch(event.keyCode){
			case 37: //left
				nextCell = eg_getNextCell(event.srcElement.offsetParent, -1);
				nextElement = eg_getElementInCell(nextCell);
				if(nextElement) nextElement.focus();
				break;
			case 38: //up
				if(event.srcElement.tagName == "SELECT") break;
				nextCell = eg_getCellInNextRow(event.srcElement.offsetParent, -1);
				nextElement = eg_getElementInCell(nextCell);
				event.cancelBubble = true;
				if(nextElement) nextElement.focus();
				break;
			case 39: // right
				nextCell = eg_getNextCell(event.srcElement.offsetParent, 1);
				nextElement = eg_getElementInCell(nextCell);
				if(nextElement) nextElement.focus();
				break;
			case 40: //down
				event.cancelBubble = true;
				if(event.srcElement.tagName == "SELECT") break;
				nextCell = eg_getCellInNextRow(event.srcElement.offsetParent, 1);
				nextElement = eg_getElementInCell(nextCell);
				if(nextElement) nextElement.focus();
				break;
			case 9:
				event.cancelBubble = true;
				ActivateNextObject(1);
				break;
			case 27: //esc
				var td = event.srcElement.parentElement;
				break;
		}
	}
}

function eg_deleteRow(a){
	obj = a.parentNode;
	var table,row;
	while(obj){
		if(obj.tagName == "TR") row = obj;
		if(obj.tagName == "TABLE" && obj.className == "listtable editable"){
			table = obj;
			break;
		}
		obj = obj.parentNode;
	}
	if(row.className.indexOf('deletedRow') == -1){
		// зачеркиваем удаленную строку
		AddClass(row,'deletedRow');
		inputs = _getAll(row);
		for(var i=0; i<inputs.length; i++){
			if(inputs[i].tagName == 'INPUT' || inputs[i].tagName == 'TEXTAREA' || inputs[i].tagName == 'SELECT') {
				eg_setDeleted(inputs[i]);
			}
		}
		// меняем иконку удаления на иконку восстановления
		if(row.cells[row.cells.length-1].all)
			imgs = row.cells[row.cells.length-1].all;
		else
			imgs = row.cells[row.cells.length-1].getElementsByTagName("IMG");
		for(var i=0; i<imgs.length; i++){
			if(imgs[i].tagName == 'IMG'){
				imgs[i].src = restoreIcon.src;
				imgs[i].width = 16;
				imgs[i].height = 16;
			}
		}
	}else{
		// восстанавливаем строку
		RemoveClass(row,'deletedRow');
		inputs = _getAll(row);
		for(var i=0; i<inputs.length; i++){
			if(inputs[i].tagName == 'INPUT' || inputs[i].tagName == 'TEXTAREA' || inputs[i].tagName == 'SELECT') {
				eg_unDelete(inputs[i]);
			}
		}
		// меняем иконку восстановления на иконку удаления
		if(row.cells[row.cells.length-1].all)
			imgs = row.cells[row.cells.length-1].all;
		else
			imgs = row.cells[row.cells.length-1].getElementsByTagName("IMG");
		for(var i=0; i<imgs.length; i++){
			if(imgs[i].tagName == 'IMG'){
				imgs[i].src = deleteIcon.src;
				imgs[i].width = 16;
				imgs[i].height = 16;
			}
		}
	}
}

function eg_onSubmitClearForm(oForm){
	for(var i=0; i<oForm.elements.length; i++){
		if(oForm.elements[i].deleted == true && oForm.elements[i].isNew == true){
			oForm.elements[i].disabled = true;
		}
	}
	return false;
}

function eg_setDeleted(obj){
	try{
		AddClass(obj,'deletedRow');
		DisableEvents(obj);
		obj.readOnly = true;
		obj.deleted = true;
		//obj.disabled = true;
		if(obj.isNew == true) obj.name = obj.name.substr(7);
		obj.name = '__deleted__' + obj.name;
	}catch(e){alert("eg_setDeleted: "+e.message);}
}

function eg_unDelete(obj){
	RemoveClass(obj,'deletedRow');
	EnableEvents(obj);
	obj.deleted = false;
	obj.readOnly = false;
	//obj.disabled = false;
	// восстанавливаем атрибут name
	obj.name = obj.name.substr(11);
	if(obj.isNew == true) obj.name = '__new__' + obj.name;
}

function eg_attachFormEvent(sDivID){
	try{
		var obj = sDivID;
		while(obj = obj.parentNode){
			if(obj.tagName == 'FORM'){
				if(!obj.egEventAttached){
					//obj.egOnsubmit = function(){eg_onSubmitClearForm(obj);};
					AddEvent(obj, 'onsubmit', function(){eg_onSubmitClearForm(obj); return true;});
					obj.egEventAttached = true;
				}
				return;
			}
		}
	}catch(e){alert("eg_attachFormEvent: "+e.message+" "+sDivID);}
}

/*window.attachEvent("onload", eg_setEventHandlers);*/