function open_galeria(){
win3=window.open("http://www.cohercosmeticos.com/temp/galeria/default.htm","","width=600,height=470")
win3.moveTo(screen.width/2-392,screen.height/2-265)
}

function open_boletin(){
win3=window.open("http://www.cohercosmeticos.com/temp/boletin/default.htm","","width=500,height=399")
win3.moveTo(screen.width/2-392,screen.height/2-265)
}

function open_compraRegistro(){
win3=window.open("http://www.cohercosmeticos.com/temp/compra/default.htm","","width=500,height=570")
win3.moveTo(screen.width/2-392,screen.height/2-265)
}