function ChangeCtg(ind,old) {
   if (ind.selectedIndex!=0) {
      if (old==1) {old=document.getElementById('oldctg').value};
		sel_='<select name="type" id="sub">';
		str=subctg[ind[ind.selectedIndex].value];
		arr=str.split(';');
		for (i=0;i<arr.length-1; i++)
		{  idname=arr[i].split('+'); 
		   if (idname[0]==old) {oldval=' selected';} else {oldval='';};
			sel_=sel_+'<option value="'+idname[0]+'"'+oldval+'>'+idname[1]+'</option>';
		};
	   sel_=sel_+'</select>';	   
		document.getElementById('sel').innerHTML=sel_;
	};
};