var url = "http://" + global_vhost + "/" + evt + "/" + width + "x" + height + "/box/" + filename;
var boximg = replace_image_element(url, element_id + "_box", main);
var url = "http://" + global_vhost + "/" + evt + "/" + width + "x" + height + "/box/" + filename;
var boximg = replace_image_element(url, element_id + "_box", main);