function getObject(objectId) { 
 if(document.getElementById  &&  document.getElementById(objectId)) { 
 return document.getElementById(objectId); 
 } 
 else if (document.all  &&  document.all(objectId)) { 
 return document.all(objectId); 
 } 
 else if (document.layers  &&  document.layers[objectId]) { 
 return document.layers[objectId]; 
 } 
 else { 
 return false; 
 } 
} 
function showHide(e,objname){     
 var objs=document.getElementsByTagName("dd");
 for(var i=0;i<objs.length;i++)
 {
	 objs[i].style.display="none";
 }
  var dtobjs=document.getElementsByTagName("a");
 for(var i=0;i<dtobjs.length;i++)
 {
	dtobjs[i].className="rights";
 }
 
    var obj = getObject(objname);   //itm
    if(obj.style.display == "none"){ 
        obj.style.display = "block"; 
        e.className="xias"; 
    }else{ 
        obj.style.display = "none"; 
        e.className="rights"; 
    } 
}