function bannertop(){
document.getElementById('bannertop').style.width = 986+'px';
document.getElementById('bannertop').style.height = 0+'px';
}

function bannercentral1(){
document.getElementById('bannercentral1').style.width = 751+'px';
document.getElementById('bannercentral1').style.height = 64+'px';
}

function bannercentral2(){
document.getElementById('bannercentral2').style.width = 751+'px';
document.getElementById('bannercentral2').style.height = 0+'px';
}

function bannercentral3(){
document.getElementById('bannercentral3').style.width = 751+'px';
document.getElementById('bannercentral3').style.height = 66+'px';
}

function bannercuadrado(){
document.getElementById('bannercuadrado').style.width = 246+'px';
document.getElementById('bannercuadrado').style.height = 200+'px';
}

function bannerlateral1(){
document.getElementById('bannerlateral1').style.width = 235+'px';
document.getElementById('bannerlateral1').style.height = 950+'px';
}

function bannerlateral2(){
document.getElementById('bannerlateral2').style.width = 235+'px';
document.getElementById('bannerlateral2').style.height = 0+'px';
}

function bannerlateral3(){
document.getElementById('bannerlateral3').style.width = 235+'px';
document.getElementById('bannerlateral3').style.height = 0+'px';
}

function bannerdown(){
document.getElementById('bannerdown').style.width = 986+'px';
document.getElementById('bannerdown').style.height = 84+'px';
}