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function   $import(path,type,title,idname){  
          var   s,i;  
          if(type=="js"){  
                  var   ss=document.getElementsByTagName("script");  
                  for(i=0;i<ss.length;i++){  
                          if(ss[i].src   &&   ss[i].src.indexOf(path)!=-1)return   ss[i];  
                  }  
                  s=document.createElement("script");  
                  s.type="text/javascript";  
                  s.src=path;  
          }else   if(type=="css"){  
                  var   ls=document.getElementsByTagName("link");  
                  for(i=0;i<ls.length;i++){  
                          if(ls[i].href   &&