//------------------------------------------------------------------------------------------------------- 
// JavaScript Document
<!--
var leftNaveg;
var anchoNaveg;
var posLeftFijo;
var valAnchoNaveg;

var posLeftVaria;
var valorMover;
var iden;
var tiempoMover = 20;  // numero de saltos en el deslizamiento
var noInicializa = 0;
//------------------------------------------------------------------------------------------------------- 
  //
  // oculta el contenido del menu de navegacion 
  // 
  function OcultarNavegacion() 
    { 
	 if (noInicializa == 0)
	   {leftNaveg = document.getElementById("med0").style.left;
        anchoNaveg = document.getElementById("med1").style.width;
        posLeftFijo = eval(leftNaveg.substring(0, leftNaveg.length - 2 ));
	    valAnchoNaveg = eval(anchoNaveg.substring(0, anchoNaveg.length - 2 ));

	    valorMover = valAnchoNaveg / tiempoMover;
	 	posLeftVaria = posLeftFijo;	 
		noInicializa = 1;	 
	   }
     // mueve la tabla de navegacion 
     posLeftVaria  = posLeftVaria - valorMover;
	 document.getElementById("med0").style.left =  posLeftVaria + 'px';
	 
	 if (posLeftVaria < -valAnchoNaveg)
	   { document.getElementById("med2").style.top = document.getElementById("med0").style.top; 
		 document.getElementById("med2").style.visibility = "visible";
         document.getElementById("med3").width = 84 + "%";       
	     document.getElementById("med1").style.width = 15 + 'px';
		 document.getElementById("med0").style.visibility = "hidden";
	   }
     else
	  {setTimeout("OcultarNavegacion()", tiempoMover);}  
    } 
//------------------------------------------------------------------------------------------------------- 
//---------------------------------------------------------------------------------------------------------
  //
  // muestra el contenido del menu de navegacion 
  // 
  function MostrarNavegacion()
    { 
	 document.getElementById("med2").style.visibility = "hidden";
	 document.getElementById("med0").style.visibility = "visible";

	 posLeftVaria  = posLeftVaria + valorMover;
	 document.getElementById("med0").style.left =  posLeftVaria + 'px'; 

     if (posLeftVaria > 0)
	   { document.getElementById("med1").style.width = anchoNaveg;
	     document.getElementById("med0").style.left = leftNaveg;
		 document.getElementById("med0").style.top = document.getElementById("med2").style.top; 
         document.getElementById("med3").width = 70 + "%";       
	   }
     else 
	  {setTimeout("MostrarNavegacion()", tiempoMover);}  
	
    } 
//------------------------------------------------------------------------------------------------------- 
  //
  // mueve por la ventana los toda la informcion de productos a medida que la ventana hace scroll. 
  // 
  function scrollTabla()
    { 
        var posY = window.document.body.scrollTop;  // posicion del scroll
		
	    if ((posY > 130) & (navigator.appName.substring(0,8) == "Netscape"))
		  {
		   document.getElementById("med0").style.position = "fixed"; 
		   document.getElementById("med0").style.top = 0 + "px"; 
		   document.getElementById("med2").style.position = "fixed";  
		   document.getElementById("med2").style.top = 0 + "px"; 
		  }
	    else
		  {
			document.getElementById("med0").style.position = "absolute";
            document.getElementById("med2").style.position = "absolute";  
	    	if (posY > 110)
	    	  {
	    	   document.getElementById("med0").style.top = posY + 5;
	    	   document.getElementById("med2").style.top = posY + 5;
        	  }
	    	else
	    	  {
		       document.getElementById("med0").style.top = 120;
	    	   document.getElementById("med2").style.top = 120; 
	    	  }
		  }
		//alert( document.getElementById("med0").style.top  );
        
    } 
  //------------------------------------------------------------------------------------------------------- 

-->  




-->