var $=function(obj)
            {
              return document.getElementById(obj);
            };
            function sg (v) {
                v = v + "_search";
                $("site_search").style.display = "none";
                $("pic_search").style.display = "none";
                $("web_search").style.display = "none";
                $("comp_search").style.display = "none";
                $(v).style.display = "block";
                $("sel0").selectedIndex=0;
                $("sel1").selectedIndex=1;
                $("sel2").selectedIndex=2;
                $("sel3").selectedIndex=3;
            }
            function sv (v) {
                $("v1").value = v;
                $("v2").value = v;
                $("v3").value = v;
                $("v4").value = v;
            }