function loadDetails(evt,thisItem) {
    //equalize W3C/IE event models to get event object.
    evt = (evt) ? evt : ((window.event) ? window.event : null);
    if (evt) {
        //equalize W3C/IE models to get event target reference.
        var elem = (evt.target) ? evt.target : ((evt.srcElement) ? evt.srcElement : null);
        if (elem) {
            try {
                if (elem.selectedIndex > 0) {
					var termName = elem.options[elem.selectedIndex].value;
                    openDetailsTab(termName,thisItem);	//call fonction 'loadXMLDoc' to load XML file;
                }
            }
            catch(e) {
                var msg = (typeof e == "string") ? e : ((e.message) ? e.message : "Unknown Error");
                alert("Unable to get data:\n" + msg);
                return;
            }
        }
    }
}


function openDetailsTab(thisTermKey,thisItem) {
	var url = 'http://rgd.mcw.edu/tools/ontology/ont_annot.cgi?term_key=' + thisTermKey + '&ontology=' + thisItem;

	var myIframe = document.createElement('iframe');
	var thewidth = '100%';
	myIframe.setAttribute('width',thewidth);
	myIframe.setAttribute('height',540);
	myIframe.setAttribute('src',url);

	var div = document.getElementById('showArea');
	div.innerHTML = ' ';
	div.appendChild(myIframe);
}