plugin_parameters : other parameters added when the plugin is called by the dopop function
plugin_javascript : the javascript function called when the user enters the subfield. contain 3 javascript functions : * one called when the field is entered (OnFocus). Named FocusXXX * one called when the field is leaved (onBlur). Named BlurXXX * one called when the ... link is clicked (<a href="javascript:function">) named ClicXXX
returns : * XXX * a variable containing the 3 scripts. the 3 scripts are inserted after the <input> in the html code
plugin : the true value_builded. The screen that is open in the popup window.