function menos()
        {
            var cantidad = parseInt(document.getElementById("cantidad").value);
            var current = parseInt(document.getElementById("current").value);
            current--;
            if (current < 0)
                current = 0;
                if (current == 0)
                {
                    document.getElementById("img_menos").style.visibility="hidden";
                }
                else
                {
                    document.getElementById("img_menos").style.visibility="visible";
                }
                 document.getElementById("img_mas").style.visibility="visible";
            ocultar();
            mostrar(current);
            document.getElementById("current").value = current;
        }
 function mas()
        {
            var cantidad = parseInt(document.getElementById("cantidad").value);
            var current = parseInt(document.getElementById("current").value);
            current++;
            if (current >= cantidad)
                current--;
            cantidad--;
                if (current == cantidad)
                {
                    document.getElementById("img_mas").style.visibility="hidden";
                }
                else
                {
                    document.getElementById("img_mas").style.visibility="visible";
                }
                 document.getElementById("img_menos").style.visibility="visible";
            ocultar();
            mostrar(current);
            document.getElementById("current").value = current;
        }
function ocultar()
		{
		    var cantidad = parseInt(document.getElementById("cantidad").value);
		    for(var x = 0; x < cantidad; x++)
		    {
		        var table = document.getElementById("tbl_datos_" + x);
		        table.style.display="none";
		    }
		}
		function mostrar(x)
		{
		      var cantidad = parseInt(document.getElementById("cantidad").value);
		 if (cantidad > x)
		 {
		     var table = document.getElementById("tbl_datos_" + x);
		        table.style.display="";
		        }
		}
    var current;
		function out(x)
		{
			if(current == x)
			{}
			else
			{
				var rows = document.getElementsByTagName('a');
				rows[x].className = "texto2";
			}
		}
		function over(x)
		{
			if(current == x)
			{}
			else
			{
				var rows = document.getElementsByTagName('a');
				rows[x].className = "texto2cafe";
			}
		}
		function loading()
		{
		    document.getElementById('LoadingFrame').style.display = 'none';
		    document.getElementById('tbl_principal').style.display = '';
		}