function expandit(field1){
   		var field = document.getElementById(field1);
		var field2 = document.getElementById(field1+"-b");
  		if (field.style.display=="none"){
			field.style.display=""
			field2.src="http://static.trader.uz/icons/16x16/arrow_in.png"
			field2.title="Скрыть"
			}
  		else{
			field.style.display="none"
			field2.src="http://static.trader.uz/icons/16x16/arrow_out.png"
			field2.title="Открыть"
			}
   }