var srchType=1;
var variantsDiv = "";
var num=0;
var curID=0;
var oldID=0;

function doLoad() {
		var req = new JsHttpRequest();
		req.onreadystatechange = function() {
			if (req.readyState == 4) {
					if (req.responseJS['res']!='') {
						curID=0;
						num=req.responseJS['res_num'];
						document.getElementById('container').innerHTML = req.responseJS['res'];
						document.getElementById('container').style.display = 'block';
					} else {
						num=0;
						document.getElementById('container').innerHTML = '';
						document.getElementById('container').style.display = 'none';
					}
			}
		}
		req.open(null, '../searchRCV2.php', true);
		req.send( { q: document.getElementById('inpId').value, t: srchType } );
}

//tip: catalog, objavleniya, vezde
function setType(type){
	srchType = type; 
}

function set_oldID(id){
	oldID=id;
}

function set_curID(id){
	curID=id;
}

function TRLostFocus (id) {
	document.getElementById(id).style.cursor='default';
	document.getElementById(id).style.backgroundColor='white'; 
	document.getElementById(id).style.color='black';
}

//oldID_non_exist == 1, kogda <tr> s oldID net, naprimer ujesto4enie poiska
function TRFocus (id, oldID_non_exist) {
	set_curID(id);
	if (oldID!=0 && oldID_non_exist==0)
		TRLostFocus(oldID);
	document.getElementById(id).style.cursor='pointer';
	document.getElementById(id).style.backgroundColor='#DC302D';
	document.getElementById(id).style.color='white'; 
	set_oldID(id);
}

//prya4em suggest, zapolnyaem input
function TRValue (id, value) {
	document.getElementById('inpId').value = value;
	document.getElementById('container').style.display = 'none';
}

function keyHandler(e) {
	var keycode;
	if (window.event) {
		//ie
		keycode = window.event.keyCode;
		target = window.event.srcElement;
	}
	else if (e) {
		//fox
		keycode = e.which;
		target = e.target;
	}
	//alert(keycode);
	if (target.name=='q') {
		//input s name==q
		keynum = keycode;
		switch (keynum) {
		case 38: 
			if (document.getElementById('container').style.display == 'block'){
				if (curID == 0) {
					//peremesheniy ne bilo, vibiraem perviy
					set_curID('trn^1');
					TRFocus(curID);
					set_oldID(curID);
				}else {
					tmp=curID.split("^");
					tmp[1] = parseInt(tmp[1]);
					if (tmp[1] != 1) {
						TRLostFocus(oldID);
						tmp[1] = tmp[1] - 1;
						set_curID('trn^' + tmp[1]);
						TRFocus(curID);	
						set_oldID(curID);
					}
				}
			}	
			break	
		case 40: 
			if (document.getElementById('container').style.display == 'block'){
				if (curID==0) {
					set_curID('trn^1');
					TRFocus(curID, '1');
					set_oldID(curID);
				}else {
					tmp=curID.split("^");
					tmp[1] = parseInt(tmp[1]);
					if (tmp[1]>=num){
						TRLostFocus(oldID);
						set_curID('trn^' + num);
						TRFocus(curID, '1');	
					}else {
						if (tmp[1] != num) {
								TRLostFocus(oldID);
								tmp[1] = tmp[1] + 1;
								set_curID('trn^' + tmp[1]);
								TRFocus(curID, '0');	
								set_oldID(curID);
						}	
					}
				}
			}	
			break
		case 13:
			TRValue (curID, document.getElementById(curID).firstChild.firstChild.nodeValue);
			document.getElementById('inpId').submit();
			return true;
			break
		
		case 8:
			if (document.getElementById('inpId').value.length-1 > 1){
				doLoad();
			}else {
				document.getElementById('container').style.display = 'none';	
			}
			break

		default :
			doLoad();
			break
	}
		
	}
}