Changer les attributs

Alert window with parameters:

alertes=new Array("LightGrey","black","yellow","red",14,"Arial",150,100,200,100);
chaines=new Array("You will","change attributs of rectangle","OK");

Parameters for look:
Colors background, border, button, text, size and font for text, coordinates left top vertice, width and height of window.
Text to write:
Array of phrases , last is text for button.