function updateOrientation() {
    var orientation = window.orientation;
    switch(orientation) {
        case 0:
            document.body.setAttribute("class","portrait");
            break;
        case 90:
            document.body.setAttribute("class","landscape");
            break;
        case -90:
            document.body.setAttribute("class","landscape");
            break;
    }
}


GAMTEXTSIZE ={
};

GAMTEXTSIZE.getCurrentTextSize = function getCurrentTextSize(classid){
   var element = document.getElementById(classid);
    var cssclass = element.getAttribute('class');
    var textSize = cssclass.substring(cssclass.indexOf("textSize"),cssclass.length);
    var size = textSize.substring(textSize.length-1, textSize.length);
    //console.log("size:" + size);
    return size;
};

GAMTEXTSIZE.decreaseTextSize = function decreaseTextSize(classid,targetClass){
    var size = GAMTEXTSIZE.getCurrentTextSize(classid);
    var newSize = parseInt(size) -1;
    //console.log("newsize:" + newSize);
    if(newSize >= 0){
        DXTEXTSIZE.switchSimpleJs(newSize, targetClass);
    }
};
GAMTEXTSIZE.increaseTextSize = function increaseTextSize(classid,targetClass){
    var size = GAMTEXTSIZE.getCurrentTextSize(classid);
    var newSize = parseInt(size) +1;
    //console.log("newsize:" + newSize);
    if(newSize <= 3){
        DXTEXTSIZE.switchSimpleJs(newSize, targetClass);
    }
};