function menuEnURL(){
	var firstPos=document.location.search.indexOf("menu");
	if (firstPos!=-1){
		var lastPos=document.location.search.indexOf("&",firstPos);
		if (lastPos>0)
			var menuQry=document.location.search.substring(firstPos,document.location.search.indexOf("&",firstPos));
		else
			var menuQry=document.location.search.substr(firstPos);
		return parseInt(menuQry.split("=")[1]);
	}
	else
		return 0;
}

function MFXinitMenu(contador){
  IE = document.all ? 1:0;
  NN = document.layers ? 1:0;
  HIDDEN = (NN) ? 'hide' : 'hidden';
  VISIBLE = (NN) ? 'show' : 'visible';
  myLayer=new Array();
  mySpeed=5;
  subLeft=0;
  closes=true;
  var estilo;
  for(var i=0;i<=contador;i++){
	if(NN) estilo=eval('document.MFX'+i);
	else estilo=eval('document.all.MFX'+i+'.style');
	myLayer[i]=estilo
  }
  running=false;
  whichOpen=-1;
  lastMain=myLayer.length-2;
  MFXmain=new Array();
  for(i=0; i<myLayer.length; i++){
	  mainORsub= i % 2;
  	MFXmain[i] = mainORsub ? 0:1;
	}
  myTop=new Array();
  myLeft=new Array();
  myHeight=new Array();
  myWidth=new Array();
  mySlide=new Array();
  for(i=0; i<myLayer.length; i++){
	  if(NN&&MFXmain[i]){
  		if(i==0){
			  myTop[i]=myLayer[i].top;
			  myLeft[i]=myLayer[i].left;}
		  else{
			  myLeft[i]=myLeft[i-2];
			  myTop[i]=myTop[i-2]+myHeight[i-2];}
		  myHeight[i]=myLayer[i].clip.height;
		  myWidth[i]=myLayer[i].clip.width;
		  myLayer[i].left=myLeft[i];
		  myLayer[i].top=myTop[i];
		  myLayer[i].visibility=VISIBLE;}
	  if(NN&&!MFXmain[i]){
		  myTop[i]=myTop[i-1]+myHeight[i-1];
		  myLeft[i]=myLeft[i-1]+7;
		  myHeight[i]=myLayer[i].clip.height;
		  myWidth[i]=myLayer[i].clip.width;
		  mySlide[i]=myTop[i]+myHeight[i];
		  myLayer[i].left=myLeft[i]+subLeft;
		  myLayer[i].top=myTop[i];}
	  if(IE&&MFXmain[i]){
		  if(i==0){
			  myLeft[0]=MFX0.offsetLeft;
			  myTop[0]=MFX0.offsetTop;}
		  else{
			  myLeft[i]=myLeft[i-2];
			  myTop[i]=myTop[i-2]+myHeight[i-2];}
		  myHeight[i]=document.all['MFX'+i].offsetHeight;
		  myWidth[i]=document.all['MFX'+i].offsetWidth;
		  myLayer[i].left=myLeft[i];
		  myLayer[i].top=myTop[i];
		  myLayer[i].visibility=VISIBLE;}
	  if(IE&&!MFXmain[i]){
  		  myTop[i]=myTop[i-1]+myHeight[i-1];
		  myLeft[i]=myLeft[i-1]+7;
		  myHeight[i]=document.all['MFX'+i].offsetHeight;
		  myWidth[i]=document.all['MFX'+i].offsetWidth;
		  myLayer[i].pixelLeft=myLeft[i]+subLeft;
		  myLayer[i].pixelTop=myTop[i];
		  mySlide[i]=myTop[i]+myHeight[i];
		}
	}
	if (menuSel=menuEnURL()>0){
		MFXrunMenu(menuEnURL(),5);
	}
	AsignarTamanoVentana();
}


function MFXrunMenu(myName,newspeed){
  ieStep=0;
  thereS=false;
  thereC=false;
  if(newspeed>0){mySpeed=newspeed;}
  first=myName;
  if(whichOpen==-1&&!running&&MFXmain[myName]&&!(whichOpen==myName)){
    running=true;
    if(NN){
      myLayer[myName+1].clip.height=0;
      myLayer[myName+1].visibility=VISIBLE;
    }
    if(IE){
      myLayer[myName+1].clip= "rect(" + ("auto") +" "+ ("auto") +" "+ (0) +" "+ ("auto") +")";
      myLayer[myName+1].visibility=VISIBLE;
    }
    MFXopenMenuS(myName);
    MFXopenMenuC(myName);
  }
  if(whichOpen>=0&&!running&&!(whichOpen==myName)){
    running=true;
    second=whichOpen;
    ieStep1=myHeight[second+1];
    thereCS=false;
    thereCC=false;
    MFXcloseMenuS(second);
    MFXcloseMenuC(second);
  }
  if(whichOpen>=0&&!running&&whichOpen==myName&&closes){
    running=true;
    second=whichOpen;
    ieStep1=myHeight[second+1];
    thereCS=false;
    thereCC=false;
    MFXcloseMenuS(second);
    MFXcloseMenuC(second);
 	}
}

function AsignarTamano(){
//listaNivel2.redimensionarAltura();
}

function AsignarTamanoVentana(){
var tamano
tamano=myLayer[myLayer.length-2].pixelTop+10;

var alturaMax=listaNivel2.alturaVentanaMax;
var alturaMin=listaNivel2.alturaVentanaMin;
var alturaNecesaria;
var tamaBordes=listaNivel2.tamaBorde*2;
var tamaZonaArrastrable=listaNivel2.alturaZonaArrastrable;
var alturaNecesariaContenido=tamano;
listaNivel2.ventana1.contenidoVentana.alturacontenido=alturaNecesariaContenido;
alturaNecesaria=alturaNecesariaContenido + tamaBordes + tamaZonaArrastrable;
if (alturaNecesaria>alturaMax) {
	listaNivel2.ventana1.scrollUp.setVisible(1);
	listaNivel2.ventana1.scrollDown.setVisible(1);
	listaNivel2.bBotonesScrollVisibles=1;
	alturaNecesaria=alturaMax;
	}
else {
	listaNivel2.ventana1.scrollUp.setVisible(0);
	listaNivel2.ventana1.scrollDown.setVisible(0);
	listaNivel2.bBotonesScrollVisibles=0;
	listaNivel2.ventana1.contenidoVentana.setY(0);

	if (alturaNecesaria<alturaMin) {
		alturaNecesaria=alturaMin;
		}
	}
alturaNecesariaContenido=alturaNecesaria - tamaBordes - tamaZonaArrastrable;
listaNivel2.setSize(listaNivel2.getWidth(),alturaNecesaria);
listaNivel2.ventana1.setSize(listaNivel2.ventana1.getWidth(),alturaNecesariaContenido);
}

function MFXstopCloseS(myName){
  running=false;
  thereCS=true;
  if(closes&&first==whichOpen){
	whichOpen=-1;
	AsignarTamanoVentana();
	}
  else{
	whichOpen=-1;
	MFXrunMenu(first);
  }
}

function MFXstopOpenS(myName){
  running=false;
  thereS=true;
  if(IE){
//		myLayer[myName+1].clip= "rect(" + ("auto") +" "+ ("auto") +" "+ ("auto") +" "+ ("auto") +")";
	}
  whichOpen=myName;
  AsignarTamanoVentana();
}

function MFXopenMenuS(myName){
  myStep=mySpeed;
  if(NN&&!thereS&&!(first==lastMain)){
    if(myLayer[first+2].top+myStep>mySlide[first+1]){
	    myStep=mySlide[first+1]-myLayer[first+2].top;
  	}
    for(i=first+2; i<myLayer.length; i+=2){
	    myLayer[i].top+=myStep;
    }
    if(myLayer[first+2].top==mySlide[first+1]){
	    MFXstopOpenS(first)
    }
    if(running)
			setTimeout('MFXopenMenuS(first)',10);
			setTimeout('AsignarTamano()',10);
  }
  if(IE&&!thereS&&!(first==lastMain)){
    if(myLayer[first+2].pixelTop+myStep>mySlide[first+1]){
	    myStep=mySlide[first+1]-myLayer[first+2].pixelTop;
    }
    for(i=first+2; i<myLayer.length; i+=2){
  	  myLayer[i].pixelTop+=myStep;
    }
    if(myLayer[first+2].pixelTop==mySlide[first+1]){
	    MFXstopOpenS(first)
    }
    if(running)
			setTimeout('MFXopenMenuS(first)',10);
			setTimeout('AsignarTamano()',10);
  }
}

function MFXopenMenuC(myName){
  myStep=mySpeed;
  if(NN&&!thereC){
    if ((myLayer[first+1].clip.height+myStep)>myHeight[first+1]){
	    myLayer[first+1].clip.height=myHeight[first+1]
    }
    if(myLayer[first+1].clip.height==myHeight[first+1]){
  	  thereC=true;
	    whichOpen=first;
  	  MFXstopOpenS(first)
    }
		else{
    	myLayer[first+1].clip.height+=myStep;
    }
    if(running)
			setTimeout('MFXopenMenuC(first)',10);
			setTimeout('AsignarTamano()',10);
  }
  if(IE&&!thereC){
	  ieStep+=myStep;
  	myLayer[myName+1].clip= "rect(" + ("auto") +" "+ ("auto") +" "+ (ieStep) +" "+ ("auto") +")";
	  if(ieStep>=myHeight[first+1]){
  		thereC=true;
		  whichOpen=first;
		  MFXstopOpenS(first)
	  }
  	if(running)
			setTimeout('MFXopenMenuC(first)',10);
			setTimeout('AsignarTamano()',10);
  }
}

function MFXcloseMenuS(myName){
	myStep=mySpeed;
	if(NN&&!thereCS&&!(second==lastMain)){
		if(myLayer[second+2].top-myStep<myTop[second+2]){
			myStep=myLayer[second+2].top-myTop[second+2];
		}
		for(i=second+2; i<myLayer.length; i+=2){
			myLayer[i].top-=myStep;
		}
		if(myLayer[second+2].top==myTop[second+2]){
			MFXstopCloseS(second);
		}
		if(running)
			setTimeout('MFXcloseMenuS(second)',10);
			setTimeout('AsignarTamano()',10);
	}
	if(IE&&!thereCS&&!(second==lastMain)){
    if(myLayer[second+2].pixelTop-myStep<myTop[second+2]){
	    myStep=myLayer[second+2].pixelTop-myTop[second+2];
    }
    for(i=second+2; i<myLayer.length; i+=2){
  	  myLayer[i].pixelTop-=myStep;
    }
    if(myLayer[second+2].pixelTop==myTop[second+2]){
	    MFXstopCloseS(second);
    }
    if(running)
			setTimeout('MFXcloseMenuS(second)',10);
			setTimeout('AsignarTamano()',10);
	}
}

function MFXcloseMenuC(myName){
	myStep=-mySpeed;
  ieStep1-=mySpeed;
  if(NN&&!thereCC){
    if ((myLayer[second+1].clip.bottom+myStep)<0){
	    myLayer[second+1].clip.bottom=0;
    }
    if(myLayer[second+1].clip.bottom==0){
  	  thereCC=true;
	    if(second==lastMain)
				MFXstopCloseS(second);
    }
		else{
	    myLayer[second+1].clip.bottom+=myStep;
    }
    if(running)
			setTimeout('MFXcloseMenuC(second)',10);
			setTimeout('AsignarTamano()',10);
  }
  if(IE&&!thereCC){
    if(ieStep1<=0){
	    myLayer[myName+1].clip= "rect(" + ("auto") +" "+ ("auto") +" "+ (0) +" "+ ("auto") +")";
  	  thereCC=true;
    	if(second==lastMain)
				MFXstopCloseS(second);
    }
		else{
	    myLayer[myName+1].clip= "rect(" + ("auto") +" "+ ("auto") +" "+ (ieStep1) +" "+ ("auto") +")";
    }
    if(running)
			setTimeout('MFXcloseMenuC(second)',10);
			setTimeout('AsignarTamano()',10);
  }
}