function show(id,num){
	for (var i=1; i <= num; i++)
		hide(i);
	var MyPopup = document.getElementById('popup'+id);
        /* display the pop-up */
        MyPopup.style.display="block";
    }
    /* this function hides the pop-up when
     user moves the mouse out of the link */
    function hide(id){
	var MyPopup = document.getElementById('popup'+id);
	//var MyCover = document.getElementById('sprteditCover');
        /* hide the pop-up */
        MyPopup.style.display="none";
	//MyCover.style.display="none";
    }