function incText() {
    wrapper = document.body;
    wrapper.style.fontSize = '1em';
} //end function incText()

function setActiveStyleSheet( title ) {
    var i, a, main;
    for(i=0; (a = document.getElementsByTagName("link")[i]); i++) {
        if(a.getAttribute("rel").indexOf("style") != -1 && a.getAttribute("title")) {
            a.disabled = true;
            if(a.getAttribute("title") == title) a.disabled = false;
        } //end if
    } //end for
} //end function setActiveStyleSheet()
function getActiveStyleSheet() {
    var i, a;
    for(i=0; (a = document.getElementsByTagName("link")[i]); i++) {
        if(a.getAttribute("rel").indexOf("style") != -1 && a.getAttribute("title") && !a.disabled) {
            return a.getAttribute("title");
        } //end if
    } //end for
    return null;
} //end function getActiveStyleSheet()
function getPreferredStyleSheet() {
    var i, a;
    for(i=0; (a = document.getElementsByTagName("link")[i]); i++) {
        if(a.getAttribute("rel").indexOf("style") != -1 && a.getAttribute("rel").indexOf("alt") == -1 && a.getAttribute("title")) {
            return a.getAttribute("title");
        } //end if
    } //end for
    return null;
} //end function getPreferredStyleSheet()