/**提示 */
function tooltip(file,type){
    //页面层
    title = '提示信息';
    switch (type) {
        case 1:
            title="圖形提示";
            break;
        case 2:
            title="文字提示";
            break;
        default:
            title="文字提示";
            break;
    }
    var filename = "img/"+file;
    var img = new Image();
    img.src = filename;
    img.onload = function() {
        var html = "<div><img src='"+filename+"'/> </div>";
        layer.open({
            type: 1, 
            content: html,
            area: [img.width+20+'px', img.height+60+'px'],
            title:title,
        });	
    };
}
/**图片提示 */
function tooltipPhoto(){
    showtooltipPhoto =!showtooltipPhoto;
    if(showtooltipPhoto){
        document.getElementById("contentPic").style.display="none";
        document.getElementById("tooltipPhoto").style.display="inline";
        document.getElementById("picB").style.display="none";
    }else{
        document.getElementById("contentPic").style.display="inline";
        document.getElementById("tooltipPhoto").style.display="none";
        document.getElementById("picB").style.display="inline";
    }
}
/**回答问题 */
function checkAns2(){
    if(showtooltipPhoto){
        tooltipPhoto();
    }
    document.getElementById("tooltip1").style.display="none";
    document.getElementById("tooltip2").style.display="none";
    checkAns(612)
}
/**转图片 */
function rotatePic2(top,bottom,value,direction){
    if(showtooltipPhoto){
        tooltipPhoto();
    }
    rotatePic(top,bottom,value,direction)
}