function chooseOther(what,selectiontype,listnum)
	{
	
	if (what.value == "addnew") 
	    {	
		var newother;
		newother = prompt('Please enter the name of the ' + selectiontype + ' which is not listed here','New ' + selectiontype);
		
		if (listnum == '1') 
			//there must be a better way than this that works - I tried, in vain
		
			{
			 var len = document.postIt.keyword1.options.length;
			 document.postIt.keyword1.options[len] = new Option( newother );
			 document.postIt.keyword1.options[len].value = newother;
			 document.postIt.keyword1.selectedIndex = len;
			}
		
		else if (listnum == '2')
			{
			 var len = document.postIt.keyword2.options.length;
			 document.postIt.keyword2.options[len] = new Option( newother );
			 document.postIt.keyword2.options[len].value = newother;
			 document.postIt.keyword2.selectedIndex = len;
			}
		else if (listnum == '3')
			{
			 var len = document.postIt.keyword3.options.length;
			 document.postIt.keyword3.options[len] = new Option( newother );
			 document.postIt.keyword3.options[len].value = newother;
			 document.postIt.keyword3.selectedIndex = len;
			}
			
		else if (listnum == '4')
			{
			 var len = document.postIt.category.options.length;
			 document.postIt.category.options[len] = new Option( newother );
			 document.postIt.category.options[len].value = newother;
			 document.postIt.category.selectedIndex = len;
			}
		 
		}

	}