$(document).ready(function(){
	var currentPathName = window.location.pathname;
	if(currentPathName === "/course/view.php"){
		setActiveCourse();
	}
	
	$(".linkAnalytics").click(function(e){
		 e.preventDefault();
		var pathname = $(this).attr("href");
		var url = 'https://la.ulsan.ac.kr' + pathname
		popupCenter(url,"강좌 분석","650","650");
	});
	
});

function setActiveCourse(){
	var course_id = getQueryStringValue("id")
	var bcourse_id = btoa(course_id)
	
	var imgHtml = '<img src="https://la.ulsan.ac.kr/activeChecker/lms/' + bcourse_id + '" style="display:none;">';
	$("body").append(imgHtml);
	
}

function getQueryStringValue (key) {  
  return decodeURIComponent(window.location.search.replace(new RegExp("^(?:.*[&\\?]" + encodeURIComponent(key).replace(/[\.\+\*]/g, "\\$&") + "(?:\\=([^&]*))?)?.*$", "i"), "$1"));  
} 

/* Show up POPUP Center care about dual Screen */
function popupCenter(url, title, w, h) { // It's from StackFlow but can't remember Address Sorry.
    // Fixes dual-screen position                         Most browsers      Firefox
    var dualScreenLeft = window.screenLeft != undefined ? window.screenLeft : screen.left;
    var dualScreenTop = window.screenTop != undefined ? window.screenTop : screen.top;

    width = window.innerWidth ? window.innerWidth : document.documentElement.clientWidth ? document.documentElement.clientWidth : screen.width;
    height = window.innerHeight ? window.innerHeight : document.documentElement.clientHeight ? document.documentElement.clientHeight : screen.height;

    var left = ((width / 2) - (w / 2)) + dualScreenLeft;
    var top = ((height / 2) - (h / 2)) + dualScreenTop;
    var newWindow = window.open(url, title, 'scrollbars=yes, width=' + w + ', height=' + h + ', top=' + top + ', left=' + left);

    // Puts focus on the newWindow
    if (window.focus) {
        newWindow.focus();
    }
}