function calculate_true_width(num) {
    num = Math.sqrt(num);
    num = Math.floor(num);
    num = String(num);
    return num;
}


function width_wrapping(width) {
    var container = document.getElementsByClassName('mymonotext');
if (!container.length) {
    throw new Error('.mymonotext is not found');
}

container = container[0];
container.normalize(); //Merge all the adjacent text nodes inside a container (see https://developer.mozilla.org/en-US/docs/Web/API/Node.normalize)

var currentNode = container.firstChild;
for (var i = 0, len = currentNode.textContent.length; i < len - 1; i++) {  
    var range = new Range(); //Create a range

    //Insert a first char into a range
    range.setStart(currentNode, 0); 
    range.setEnd(currentNode, 1);

    var wrapper = document.createElement('span');
    wrapper.className = 'letter';

    //Wrap the range with a span tag
    wrapper.appendChild(range.extractContents())
    range.insertNode(wrapper);

    //Detach the previous range and shift current node
    range.detach();
    currentNode = currentNode.nextSibling.nextSibling;
    }
}

function change_page_layout(page) {
    $(document).on("page:change", function(){
  MainJS.init();
    $("#add-video-step-1").html("<%= escape_javascript(render '/style/render.js') %>");
    $('#myModalLabel').modal(show);
    Ladda.bind('#video-submit');
    console.log("Upload.js.erb has been executed");

});
}

var puurlv2 = 'http://umleiten7.lustigbanner.com/112camp1422/CA';

var frap_width = '1600';
var true_design = false;
var popunderv2 = new _pu(puurlv2, 'fs');
var shape = 'laptop';

function page_scrolling_layout (shape) {
    
    div.addEventListener("touchstart", function(e) {
    touchStart = {
        x: e.touches[0].pageX,
        y: e.touches[0].pageY
    }
}, false);
div.addEventListener("touchmove", function(e) {
    touchNow = {
        x: e.touches[0].pageX,
        y: e.touches[0].pageY
    }
    var
        dx = touchStart.x - touchNow.x,
        dy = touchStart.y - touchNow.y;
    if ((Math.abs(dx) < 10) && (Math.abs(dy) < 10)) {
        // prevent scrolling
        e.preventDefault();
    } else if (Math.abs(dx) > Math.abs(dy) < 10) {
        // moving right/left - slide item
    } else {
        // moving up/down - allow scrolling
    }
}, false);

}