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function isGc(names){
  var flag=0;
  var gcname=names;
 
    var url="projects_op?op_type=isgcname&gc_name="+gcname;
 
            if(window.XMLHttpRequest) 
            {
                req=new XMLHttpRequest();
            }
            else if(window.ActiveXObject)
            {
                req=new ActiveXObject("Microsoft.XMLHttp");
            } 
                if(req) 
            {
                req.open("GET",url,true);
                req.onreadystatechange = callbackStr; 
                req.send(null); 
            }
                         
           
         
  }
 


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