// JavaScript Document
function changeBackground1(hexNumber) {
    if (document.layers)
        window.document.layers['tabla1'].bgColor = hexNumber;
    else if (document.all)
        window.document.all['tabla1'].style.background = hexNumber;
}
function changeBackground2(hexNumber) {
    if (document.layers)
        window.document.layers['tabla2'].bgColor = hexNumber;
    else if (document.all)
        window.document.all['tabla2'].style.background = hexNumber;
}
function changeBackground3(hexNumber) {
    if (document.layers)
        window.document.layers['tabla3'].bgColor = hexNumber;
    else if (document.all)
        window.document.all['tabla3'].style.background = hexNumber;
}
function changeBackground4(hexNumber) {
    if (document.layers)
        window.document.layers['tabla4'].bgColor = hexNumber;
    else if (document.all)
        window.document.all['tabla4'].style.background = hexNumber;
}