/*
 * setContentFontSize
 *
 * Copyright (c) 2009 inveris OHG
 * www.inveris.de
 */
function setContentFontSize (type)
{
    stdSize = 100.01;
    stdUnit = "%";
    stdStep = 10;

    currentSize = parseInt(document.getElementById('content').style.fontSize);
    if (isNaN(currentSize)) currentSize = stdSize;

    switch (type) {
        case "decrease":
            currentSize -= stdStep;
            break;
        case "reset":
            currentSize = stdSize;
            break;
        case "increase":
            currentSize += stdStep;
    }

    document.getElementById('content').style.fontSize = currentSize + stdUnit;
} // function setContentFontSize