/* AL declare the global fieldname variable - the id to update*/
var fieldnameid = "dd";
var clearfieldid = "";


function updateOption(key,codesetpath,codesetview,ot,ov,fieldid,clearid) {

/* only works in Mozilla as IE has bug (...again)) use JSON for IE */
var codesetcolumns = "";

 /* check codeset path is populated otherwise use basehref */
 if (codesetpath = "") {
	
   }
   
  /* check if specifc cols required */
 if (ot != "" & ov != "")  {
	 codesetcolumns = "&ot=" +ot + "&ov=" +ov;
   }

var url = codesetpath + 'doCSROL?openpage';


/* set the global id to the passed id*/
fieldnameid = fieldid;
clearfieldid = clearid;

var params = '&key=' +  key +  '&spacer=1' + "&local=true" + "&view=" +codesetview + codesetcolumns;

/* make the request */
var myAjax = new Ajax.Request(
			url, 
			{
				method: 'get', 
				parameters: params, 
				onComplete:  processResponse,
				onFailure: processResponse
			});
};

function processResponse(originalRequest)
	{
	
	alert(originalRequest.responseText);
	alert("getting " + fieldnameid);
	alert(document.getElementById(fieldnameid).innerHTML);
	document.getElementById(fieldnameid).innerHTML = originalRequest.responseText;	
		document.getElementById("iedd2").innerHTML = originalRequest.responseText;	
	
	alert ('ie');
	
	/* IE Bug  http://support.microsoft.com/default.aspx?scid=kb;en-us;276228 */
	
	/* $(fieldnameid).innerHTML = originalRequest.responseText;	*/

	/* clear any fields we need to */
	if (clearfieldid != "") {
		$(clearfieldid).innerHTML = "";		
		};
	};



function reportError(originalRequest){ 
	
	/* IE always returns the error */

	$(fieldnameid).innerHTML = originalRequest.responseText;	

	/* clear any fields we need to */
	if (clearfieldid != "") {
		$(clearfieldid).innerHTML = "";		
		};
	};

/* ================================================================ */
/* 													Return JSON 												    */
/* ================================================================ */

function updateOptionJSON(key,codesetpath,codesetview,ot,ov,fieldid,clearid) {

var codesetcolumns = "";

 /* check codeset path is populated otherwise use basehref */

   
  /* check if specifc cols required */
 if (ot != "" & ov != "")  {
	 codesetcolumns = "&ot=" +ot + "&ov=" +ov;
   }

var url = codesetpath + 'doCSROLJSON?openpage';

/* set the global id to the passed id*/
fieldnameid = fieldid;
clearfieldid = clearid;

var params = 'key=' +  key +  '&spacer=1' + "&local=true" + "&view=" +codesetview + codesetcolumns + "&fld=" + fieldnameid;

url = codesetpath   + 'doCSROLJSON?openpage' /* +params */ ;

/* make the request */

var myAjax = new Ajax.Request(
			url, 
			{
				method: 'get', 
				parameters: params,
				onSuccess: processResponseJSON,
				onFailure: processResponseJSON
			});

};

function processResponseJSON(originalRequest)
	{
	page = "";
  	/* create the object */
	page = eval('(' + originalRequest.responseText+ ')');

	/* alert( originalRequest.responseText);
	alert('setting dd =  fieldnameid ' + fieldnameid + ' >> fld = ' + page.fld); */

  	/* get and clear the existing options */
  	var dd = $(page.fld);
	dd.options.length = 0;
	
	/* alert('array elements ' + page['lookupresult'].length); */
	
	
	/* now loop through and create an option list from the object */
	
	    for(i = 0; i < page['lookupresult'].length; i++) {
	    
	    dd.options[dd.options.length] = new Option(page['lookupresult'][i].optiontext , page['lookupresult'][i].optionvalue);
	    
	    }	

	/* add in the spacer <option value="" class="spacer">_______________</option> 
	    dd.options[dd.options.length] = new Option('', '_______________');  */

	}


/* ================================================================ */
/* 													Return a table 												    */
/* ================================================================ */

function processResponseJSON2(originalRequest)
	{

	page = eval('(' + originalRequest.responseText+ ')');
	
	alert(page);
	
	  table =     '<table>';
    alt = '';
    for(i = 0; i < page['lookupresult'].length; i++) {
        table +=         '<tr class="'+alt+'">' +
                         '<td>' + page['lookupresult'][i].optionvalue   + ',</td>' +
                         '<td>' + page['lookupresult'][i].optiontext  + '</td>' +
                         '</tr>';
        (alt == '')
            ?   alt = 'alt'
            :   alt = '';
    }

    table += '</table>';
    
    alert(table);
         
  	$('newoption').innerHTML= table;
  	
  	/* now loop through and create an option list */

  	var dd = $(fieldnameid);
	dd.options.length = 0;
	table = '';
	
	/* now loop through and create an option list from the object */
	
	    for(i = 0; i < page['lookupresult'].length; i++) {
	    
	    dd.options[dd.options.length] = new Option(page['lookupresult'][i].optiontext , page['lookupresult'][i].optionvalue);
	    
	    }	
	
	
	/* dd.options[dd.options.length] = new Option('\u00A30','0'); */
  	
 //   contain.innerHTML = table;
	
	
	}

/* ================================================================ */
/* 												deleteOptions 													    */
/* ================================================================ */

function deleteOptions(dropdowns) { 
        /* AG - The id of the dropdowns must be delimited by commas -  build array from passed string */ 
        var ddarray = dropdowns.split(/,/); 
        if (ddarray){ 
                        /* now loop through array of dropdown boxes */ 
                        for (var d=0; d < ddarray.length; d++) { 
                                var obj = document.getElementById(ddarray[d]); 
                                if(obj){ 
                                        totaloptions = obj.options.length; 
                                        for (var i=0; i < totaloptions; i++) { 
                                                        obj.options[0] = null; 
                                        } 
                                } 
                        }  /* for loop */ 
                } /* ddarray */ 
}