function fullsize(image_name)
{
//function fullsize(image_name, image_format, image_credit, image_caption)

var picwidth
var picborder
var pic_string 
var caption_position
var credit_position
var picture_class
var credit_class
var pic_format  // default: jpg

current_image = window.open('jps-project-photos.php?portimg='+image_name, 'JPSalemiImages', 'top=30, left=30, resizable=yes, scrollbars=yes, width=560, height=490');

current_image.focus();

return true;

}