hotKey_F_Number=2; // This is F2 by default, do not use 1, 4 or 5 as these are reserved by the browser.
hotkey_Ctrl_Char="M"; // Must be in caps
_mainM=-1;
_Omo=_menuOpenDelay;
_Cmo=_menuCloseDelay;
KSHIFT=KCTRL=KALT=0;
_jsk=null;

function chr(c){
	return String.fromCharCode(c);
}

function ord(c){
	return c.charCodeAt(0);
}

function getNextKeyItem(i,m)
{
	var a,o;
	o=i+1;
	if(_mi[i]&&_mi[o]&&_mi[o][0]==_mi[i][0]){
		return o;
	}
	else{
		o=m[0][0];
	}
	return o;
}

function getPreKeyItem(i,m)
{
	var a,o;
	o=i-1;
	if(_mi[i]&&o<0||_mi[o][0]!=_mi[i][0])o=m[0][m[0].length-1];
	return o;
}


function getNextMainMenu(v)
{
	for(var x=v;x<_m.length;x++)
	{
		if(_m[x][7])return x
	}
	return v
}


function getMenuByKey(e)
{
	var i,m,ir,tr,omitMenu=0;
	if(_itemRef<0)return
	ir=null
	_ofMT=1	
	i=_itemRef;
	
	if(_mi[i][34]=="form"){
		_ofMT=0
		_menuOpenDelay=_Omo
		_menuCloseDelay=_Cmo
		return
	}
	
	m=_m[_mi[i][0]]
	if(ns6){_jsk=e.which}else{_jsk=event.keyCode}
	_menuOpenDelay=0
	_menuCloseDelay=0

	if(_jsk==16)KSHIFT=1
	if(_jsk==17)KCTRL=1
	if(_jsk==18)KALT=1
	if(_jsk==27){ // Escape
		$Z();
		return false;
	}

	hrgm=$c("mmlink"+_mi[i][0])
	if(hrgm.style.visibility="visible")hrgm.focus()	
	_cm3()

	if(_jsk==9){
		if(i<0){
			return false;
		}
		else{
			if(KSHIFT){
				
				if(i==m[0][0]){
					ir=_m[_mi[i][0]][21]
				}
				else{						
					ir=getPreKeyItem(i,m)
				}
				if(ir<0){
					$I()
					return;					
				}
				
			}
			else{
				if(_mi[i][3]){
					ir=_m[$h(_mi[i][3])][0][0]
				}
				else{
					if(i==m[0][m[0].length-1]){
						ir=i
						ir=$f(ir);
						if(!ir)ir=_m[getNextMainMenu(m)][0][0]//if last item
						_iRR=getNextKeyItem(ir,m)
						while(_mi[_iRR][0]==_mi[m[0][m[0].length-1]][0]){
							ir=$f(ir);
							if(ir+" "==$u){
								$I()
								return;
							}
							_iRR=getNextKeyItem(ir,m)
						}
						ir=getNextKeyItem(ir,m)
					}
					else{
						ir=getNextKeyItem(i,m)
					}
				}				
			}
			if(ir>-1)_doKeyAction(ir)
		}
		return false
	}

	if(m[9]){
		if(_jsk==39)ir=getNextKeyItem(i,m)//Right		
		if(_jsk==37)ir=getPreKeyItem(i,m) //left
		if(_jsk==38){ //Up
			_mn=$h(_mi[i][3])
			if(_mn>-1)ir=_m[_mn][0][_m[_mn][0].length-1]
		}
		
		if(_jsk==40){ //Down
			
			_mn=$h(_mi[i][3])
			//alert(_mn)
			if(_mn>-1)ir=_m[_mn][0][0]
		}		
	}
	else{
		if(_jsk==37){ // left
			ir=$f(i);
			if(ir>-1&&!_mi[ir][3])ir=getPreKeyItem(ir,m);
			if(ir+" "==$u)return
			if(_mi[ir][3])omitMenu=$h(_mi[ir][3])
		}
		if(_jsk==39){ // right
			if(_mi[i][3]){
				_mn=$h(_mi[i][3])
				if(_mn>-1)ir=_m[_mn][0][0]
			}
			else{
				ir=$f(i);
				while(ir||ir==0){
					nir=ir
					ir=$f(ir);
				}
				ir=getNextKeyItem(nir,m)
			}
		}
		if(_jsk==38)ir=getPreKeyItem(i,m) //Up
		if(_jsk==40)ir=getNextKeyItem(i,m) //Down
	}

	if((ir>-1)){
		_doKeyAction(ir,omitMenu);
	}
	

	if(ie||_d.evaluate){
		if(_jsk==13)hrgm.click();
		return false;
	}	
}

function gMBK(e){
	if(ns6){_jsk=e.which}else{_jsk=event.keyCode}
	if(_jsk==13)return
	if(_itemRef>-1)if(_mi[_itemRef][34]!="form")return false
}



function getNextMainMenu(){
	var a
	if(_mainM>-1)
	{
		for(a=_mainM;a<_m.length;a++){
			if(a>_mainM&&_m[a][7]){
				_mainM=a
				return a;
			}
		}
	}
	
	_mainM=0;
	for(a=0;a<_m.length;a++){
		if(_m[a]&&_m[a][7]){
			_mainM=a
			return a;
		}
	}
	return -1;
}

function getNextMmItem(){
	var m;
	m=getNextMainMenu();
	return _m[m][0][0];
}

function getHotKeys(){
	_hKeys=[];
	for(var a=0;a<_mi.length;a++){
		if(_mi[a][107])_hKeys[_hKeys.length]=$tU(_mi[a][107]);
	}
	return _hKeys;
}

function _doKeyAction(i){
	if(_mi[i]){
	
		if(_mi[i][39]+" "==$u)h$(i); else $K(i);
	}	
}

function getMenuByKeyU(e){
	if(!e)e=event
	if(ns6){_jsk=e.which}else{_jsk=e.keyCode}
	_hKeys=getHotKeys()
	if(_jsk==hotKey_F_Number+111)_doKeyAction(getNextMmItem())		
	if(e.ctrlKey && chr(_jsk)==hotkey_Ctrl_Char)_doKeyAction(getNextMmItem()) // if ctrl and hotkey_Ctrl_Char is pressed	
	_menuOpenDelay=_Omo
	_menuCloseDelay=_Cmo
	if(_jsk==16)KSHIFT=0
	if(_jsk==17)KCTRL=0
	if(_jsk==18)KALT=0
	if(_itemRef<0)return
}

_d.onkeydown=getMenuByKey;
_d.onkeypress=gMBK;
_d.onkeyup=getMenuByKeyU;

function _iF0C(i){
	_doKeyAction(i)
}