ch_client = "jdegre";
ch_width = 728;
ch_height = 90;
ch_color_border = "#FF0000";
ch_non_contextual = 1;
ch_default_category = "7185";
var ch_queries = new Array("canon", "nikon", "sony");
var ch_selected=Math.floor((Math.random()*ch_queries.length));
ch_query = ch_queries[ch_selected];