function ShowContent(g,j)
{ 
 for(i=1;i<=j;i++)
 {
  eval("matter" + i).style.display="none";
  eval("theme"+i+".style.backgroundImage='url(\"ico\/government_affair_bg2.jpg)\';");
 }
 eval("theme"+g+".style.backgroundImage='url(\"ico\/government_affair_bg.jpg)\';");
 eval("matter" + g).style.display="";
}