dom = (document.getElementById)? true : false;
nn4 = (document.layers)? true : false;
ie4 = (document.all && !dom)? true : false;

function show(elemId){ 
 if (dom) document.getElementById(elemId).style.display = "block";
 else if (ie4) document.all[elemId].style.display = "block";

}

function show2(elemId){ 
 if (dom) document.getElementById(elemId).style.display = "inline";
 else if (ie4) document.all[elemId].style.display = "inline";

}

function hide(elemId){ 
 if (dom) document.getElementById(elemId).style.display = "none";
 else if (ie4) document.all[elemId].style.display = "none";
}

function changeVisible(elemId) { 

 if (document.getElementById(elemId)) {
   if (dom) current=document.getElementById(elemId).style.display;
   else if (ie4) current=document.all[elemId].style.display;
  
   if (current=="none") {current="block";} else {current="none";}

   if (dom) document.getElementById(elemId).style.display=current;
   else if (ie4) document.all[elemId].style.display=current;
 }

}




function swapOptions(the_elem,the_array_name,value)
{

  var the_array = eval(the_array_name);
  the_elem2=document.forms['editDoc'].elements[the_elem];
  if (the_array!=undefined) setOptionText(the_elem2, the_array,value);
    else  setOptionText(the_elem2, Array(), value);
}




function styleTab (simpleTab) {
  var Tab=simpleTab;
  for(a="";a<10;a++) {
	if (document.getElementById(simpleTab)) {
	  if (dom) {
     document.getElementById(simpleTab).className = "item";
    }
    else if (ie4) {
      document.all[simpleTab].className = "item";
    }
	} 
	simpleTab=Tab+a;
  }
}