function cambia(x,y){
	switch(y){
		case 1:
		x.style.backgroundImage="url('http://www.netzach.com.mx/nueva/img/btninicio2.png')";
		break;
		case 2:
		x.style.backgroundImage="url('http://www.netzach.com.mx/nueva/img/btnnosotros2.png')";
		break;
		case 3:
		x.style.backgroundImage="url('http://www.netzach.com.mx/nueva/img/btnventajas2.png')";
		break;
		case 4:
		x.style.backgroundImage="url('http://www.netzach.com.mx/nueva/img/btnproductos2.png')";
		break;
		case 5:
		x.style.backgroundImage="url('http://www.netzach.com.mx/nueva/img/btntips2.png')";
		break;
		case 6:
		x.style.backgroundImage="url('http://www.netzach.com.mx/nueva/img/btnpromociones2.png')";
		break;
		case 7:
		x.style.backgroundImage="url('http://www.netzach.com.mx/nueva/img/btncapacitaciones2.png')";
		break;
	}
}

function nocambia(x,y){
	switch(y){
		case 1:
		x.style.backgroundImage="url('http://www.netzach.com.mx/nueva/img/btninicio.png')";
		break;
		case 2:
		x.style.backgroundImage="url('http://www.netzach.com.mx/nueva/img/btnnosotros.png')";
		break;
		case 3:
		x.style.backgroundImage="url('http://www.netzach.com.mx/nueva/img/btnventajas.png')";
		break;
		case 4:
		x.style.backgroundImage="url('http://www.netzach.com.mx/nueva/img/btnproductos.png')";
		break;
		case 5:
		x.style.backgroundImage="url('http://www.netzach.com.mx/nueva/img/btntips.png')";
		break;
		case 6:
		x.style.backgroundImage="url('http://www.netzach.com.mx/nueva/img/btnpromociones.png')";
		break;
		case 7:
		x.style.backgroundImage="url('http://www.netzach.com.mx/nueva/img/btncapacitaciones.png')";
		break;
	}
}



function cambia1(x,y){
	switch(y){
		case 1:
		x.style.backgroundImage="url('http://www.netzach.com.mx/nueva/img/ini.png')";
		break;
		case 2:
		x.style.backgroundImage="url('http://www.netzach.com.mx/nueva/img/nos_.png')";
		break;
		case 3:
		x.style.backgroundImage="url('http://www.netzach.com.mx/nueva/img/ven_.png')";
		break;
		case 4:
		x.style.backgroundImage="url('http://www.netzach.com.mx/nueva/img/prod_.png')";
		break;
		case 5:
		x.style.backgroundImage="url('http://www.netzach.com.mx/nueva/img/tip_.png')";
		break;
		case 6:
		x.style.backgroundImage="url('http://www.netzach.com.mx/nueva/img/pro_.png')";
		break;
		case 7:
		x.style.backgroundImage="url('http://www.netzach.com.mx/nueva/img/cap_.png')";
		break;
	}
}



function nocambia1(x,y){
	switch(y){
		case 1:
		x.style.backgroundImage="url('http://www.netzach.com.mx/nueva/img/ini_.png')";
		break;
		case 2:
		x.style.backgroundImage="url('http://www.netzach.com.mx/nueva/img/nos.png')";
		break;
		case 3:
		x.style.backgroundImage="url('http://www.netzach.com.mx/nueva/img/ven.png')";
		break;
		case 4:
		x.style.backgroundImage="url('http://www.netzach.com.mx/nueva/img/prod.png')";
		break;
		case 5:
		x.style.backgroundImage="url('http://www.netzach.com.mx/nueva/img/tip.png')";
		break;
		case 6:
		x.style.backgroundImage="url('http://www.netzach.com.mx/nueva/img/pro.png')";
		break;
		case 7:
		x.style.backgroundImage="url('http://www.netzach.com.mx/nueva/img/cap.png')";
		break;
	}
}


function sombra(x){
	x.className="sombra";
}
function luz(x){
	x.className="";
}


function grande(x){
	var lenk = "http://www.netzach.com.mx/nueva/img/" + x;
	document.getElementById('imagen').src=lenk;
	document.getElementById('cortina').style.display='block';
}
function cerrar(x){
	document.getElementById('cortina').style.display='none';
}



function a1(){
	setTimeout("a2()", 40);
}
function a2(){
	document.getElementById('nosotros').style.backgroundImage="url('http://www.netzach.com.mx/nueva/img/bloque.png')";
	setTimeout("a3()", 40);
}
function a3(){
	document.getElementById('ventajas').style.backgroundImage="url('http://www.netzach.com.mx/nueva/img/bloque.png')";
	setTimeout("a4()", 40);
}
function a4(){
	document.getElementById('productos').style.backgroundImage="url('http://www.netzach.com.mx/nueva/img/bloque.png')";
	setTimeout("a5()", 40);
}
function a5(){
	document.getElementById('tips').style.backgroundImage="url('http://www.netzach.com.mx/nueva/img/bloque.png')";
	setTimeout("a6()", 40);
}
function a6(){
	document.getElementById('promociones').style.backgroundImage="url('http://www.netzach.com.mx/nueva/img/bloque.png')";
	setTimeout("a7()", 40);
}
function a7(){
	document.getElementById('capacitaciones').style.backgroundImage="url('http://www.netzach.com.mx/nueva/img/bloque.png')";

}

function b1(){

	setTimeout("b2()", 40);
}
function b2(){
	document.getElementById('nosotros').style.backgroundImage="url('http://www.netzach.com.mx/nueva/img/bbtn3.png')";
	setTimeout("b3()", 40);
}
function b3(){
	document.getElementById('ventajas').style.backgroundImage="url('http://www.netzach.com.mx/nueva/img/bbtn2.png')";
	setTimeout("b4()", 40);
}
function b4(){
	document.getElementById('productos').style.backgroundImage="url('http://www.netzach.com.mx/nueva/img/bbtn4.png')";
	setTimeout("b5()", 40);
}
function b5(){
	document.getElementById('tips').style.backgroundImage="url('http://www.netzach.com.mx/nueva/img/bbtn3.png')";
	setTimeout("b6()", 40);
}
function b6(){
	document.getElementById('promociones').style.backgroundImage="url('http://www.netzach.com.mx/nueva/img/bbtn2.png')";
	setTimeout("b7()", 40);
}
function b7(){
	document.getElementById('capacitaciones').style.backgroundImage="url('http://www.netzach.com.mx/nueva/img/bbtn4.png')";

}