function changeImage()
{
	var listxx = document.getElementById('optionlistxx');
	document.mainimage.src = listxx.options[listxx.selectedIndex].value;
}

function prevImage()
{
	var listxx = document.getElementById('optionlistxx');

	if(listxx.selectedIndex == 0)
	{
		//listxx.selectedIndex = listxx.options.length-1;
		listxx.selectedIndex = listxx.options.length-1;
	}
	else
	{
		listxx.selectedIndex--;
	}

	changeImage();

	var pinta = listxx.selectedIndex+1;

	noimagen.innerHTML="Imagen "+pinta+" de 86";

	//document.frmprueba.resultado.value = pinta;
}

function nextImage()
{
	var listxx = document.getElementById('optionlistxx');
	if(listxx.selectedIndex == listxx.options.length-1)
	{
		listxx.selectedIndex = 0;
	}
	else
	{
		listxx.selectedIndex++;
	}
	changeImage();

	var pinta = listxx.selectedIndex+1;

	noimagen.innerHTML="Imagen "+pinta+" de 86";

	//document.frmprueba.resultado.value = pinta;

}


function changeImagex()
{
	var listx = document.getElementById('optionlistx');
	document.mainimagex.src = listx.options[listx.selectedIndex].value;
}

function prevImagex()
{
	var listx = document.getElementById('optionlistx');

	if(listx.selectedIndex == 0)
	{
		listx.selectedIndex = listx.options.length-1;
	}
	else
	{
		listx.selectedIndex--;
	}

	changeImagex();

	var pintax = listx.selectedIndex+1;

	noimagenx.innerHTML="Imagen "+pintax+" de 45";
}

function nextImagex()
{
	var listx = document.getElementById('optionlistx');
	if(listx.selectedIndex == listx.options.length-1)
	{
		listx.selectedIndex = 0;
	}
	else
	{
		listx.selectedIndex++;
	}
	
	changeImagex();

	var pintax = listx.selectedIndex+1;

	noimagenx.innerHTML="Imagen "+pintax+" de 45";
}

function changeImagex2()
{
	var listx2 = document.getElementById('optionlistx2');
	document.mainimagex2.src = listx2.options[listx2.selectedIndex].value;
}

function prevImagex2()
{
	var listx2 = document.getElementById('optionlistx2');

	if(listx2.selectedIndex == 0)
	{
		listx2.selectedIndex = listx2.options.length-1;
	}
	else
	{
		listx2.selectedIndex--;
	}

	changeImagex2();

	var pintax2 = listx2.selectedIndex+1;

	noimagenx2.innerHTML="Imagen "+pintax2+" de 56";
}

function nextImagex2()
{
	var listx2 = document.getElementById('optionlistx2');
	if(listx2.selectedIndex == listx2.options.length-1)
	{
		listx2.selectedIndex = 0;
	}
	else
	{
		listx2.selectedIndex++;
	}
	
	changeImagex2();

	var pintax2 = listx2.selectedIndex+1;

	noimagenx2.innerHTML="Imagen "+pintax2+" de 56";
}

function changeImagex3()
{
	var listx3 = document.getElementById('optionlistx3');
	document.mainimagex3.src = listx3.options[listx3.selectedIndex].value;
}

function prevImagex3()
{
	var listx3 = document.getElementById('optionlistx3');

	if(listx3.selectedIndex == 0)
	{
		listx3.selectedIndex = listx3.options.length-1;
	}
	else
	{
		listx3.selectedIndex--;
	}

	changeImagex3();

	var pintax3 = listx3.selectedIndex+1;

	noimagenx3.innerHTML="Imagen "+pintax3+" de 35";
}

function nextImagex3()
{
	var listx3 = document.getElementById('optionlistx3');
	if(listx3.selectedIndex == listx3.options.length-1)
	{
		listx3.selectedIndex = 0;
	}
	else
	{
		listx3.selectedIndex++;
	}
	
	changeImagex3();

	var pintax3 = listx3.selectedIndex+1;

	noimagenx3.innerHTML="Imagen "+pintax3+" de 35";
}	

function changeImagex4()
{
	var listx4 = document.getElementById('optionlistx4');
	document.mainimagex4.src = listx4.options[listx4.selectedIndex].value;
}

function prevImagex4()
{
	var listx4 = document.getElementById('optionlistx4');

	if(listx4.selectedIndex == 0)
	{
		listx4.selectedIndex = listx4.options.length-1;
	}
	else
	{
		listx4.selectedIndex--;
	}

	changeImagex4();

	var pintax4 = listx4.selectedIndex+1;

	noimagenx4.innerHTML="Imagen "+pintax4+" de 58";
}

function nextImagex4()
{
	var listx4 = document.getElementById('optionlistx4');
	if(listx4.selectedIndex == listx4.options.length-1)
	{
		listx4.selectedIndex = 0;
	}
	else
	{
		listx4.selectedIndex++;
	}
	
	changeImagex4();

	var pintax4 = listx4.selectedIndex+1;

	noimagenx4.innerHTML="Imagen "+pintax4+" de 58";
}	


function changeImageb()
{
	var listxxb = document.getElementById('optionlistxxb');
	document.mainimageb.src = listxxb.options[listxxb.selectedIndex].value;
}

function prevImageb()
{
	var listxxb = document.getElementById('optionlistxxb');

	if(listxxb.selectedIndex == 0)
	{
		listxxb.selectedIndex = listxxb.options.length-1;
	}
	else
	{
		listxxb.selectedIndex--;
	}

	changeImageb();

	var pintab = listxxb.selectedIndex+1;

	noimagenb.innerHTML="Imagen "+pintab+" de 22";

}

function nextImageb()
{
	var listxxb = document.getElementById('optionlistxxb');
	if(listxxb.selectedIndex == listxxb.options.length-1)
	{
		listxxb.selectedIndex = 0;
	}
	else
	{
		listxxb.selectedIndex++;
	}
	changeImageb();

	var pintab = listxxb.selectedIndex+1;

	noimagenb.innerHTML="Imagen "+pintab+" de 22";

}

function changeImagexb()
{
	var listxb = document.getElementById('optionlistxb');
	document.mainimagexb.src = listxb.options[listxb.selectedIndex].value;
}

function prevImagexb()
{
	var listxb = document.getElementById('optionlistxb');

	if(listxb.selectedIndex == 0)
	{
		listxb.selectedIndex = listxb.options.length-1;
	}
	else
	{
		listxb.selectedIndex--;
	}

	changeImagexb();

	var pintaxb = listxb.selectedIndex+1;

	noimagenxb.innerHTML="Imagen "+pintaxb+" de 17";
}

function nextImagexb()
{
	var listxb = document.getElementById('optionlistxb');
	if(listxb.selectedIndex == listxb.options.length-1)
	{
		listxb.selectedIndex = 0;
	}
	else
	{
		listxb.selectedIndex++;
	}
	
	changeImagexb();

	var pintaxb = listxb.selectedIndex+1;

	noimagenxb.innerHTML="Imagen "+pintaxb+" de 17";
}

function changeImagexb2()
{
	var listxb2 = document.getElementById('optionlistxb2');
	document.mainimagexb2.src = listxb2.options[listxb2.selectedIndex].value;
}

function prevImagexb2()
{
	var listxb2 = document.getElementById('optionlistxb2');

	if(listxb2.selectedIndex == 0)
	{
		listxb2.selectedIndex = listxb2.options.length-1;
	}
	else
	{
		listxb2.selectedIndex--;
	}

	changeImagexb2();

	var pintaxb2 = listxb2.selectedIndex+1;

	noimagenxb2.innerHTML="Imagen "+pintaxb2+" de 44";
}

function nextImagexb2()
{
	var listxb2 = document.getElementById('optionlistxb2');
	if(listxb2.selectedIndex == listxb2.options.length-1)
	{
		listxb2.selectedIndex = 0;
	}
	else
	{
		listxb2.selectedIndex++;
	}
	
	changeImagexb2();

	var pintaxb2 = listxb2.selectedIndex+1;

	noimagenxb2.innerHTML="Imagen "+pintaxb2+" de 44";
}

function changeImagexb3()
{
	var listxb3 = document.getElementById('optionlistxb3');
	document.mainimagexb3.src = listxb3.options[listxb3.selectedIndex].value;
}

function prevImagexb3()
{
	var listxb3 = document.getElementById('optionlistxb3');

	if(listxb3.selectedIndex == 0)
	{
		listxb3.selectedIndex = listxb3.options.length-1;
	}
	else
	{
		listxb3.selectedIndex--;
	}

	changeImagexb3();

	var pintaxb3 = listxb3.selectedIndex+1;

	noimagenxb3.innerHTML="Imagen "+pintaxb3+" de 44";
}

function nextImagexb3()
{
	var listxb3 = document.getElementById('optionlistxb3');
	if(listxb3.selectedIndex == listxb3.options.length-1)
	{
		listxb3.selectedIndex = 0;
	}
	else
	{
		listxb3.selectedIndex++;
	}
	
	changeImagexb3();

	var pintaxb3 = listxb3.selectedIndex+1;

	noimagenxb3.innerHTML="Imagen "+pintaxb3+" de 44";
}