function showAbstract(pmid) {
            document.getElementById('pubmed-viewer').src = "http://www.ncbi.nlm.nih.gov/pubmed/" + pmid;
            document.getElementById('pubmed-viewer').style.display = "block";
        }
        
        function getExample (which) {
            var pmids=document.getElementById('example' + which ).innerHTML;
            document.getElementById('pmidstextarea').innerHTML = pmids;
        }
        
        function updatePmids () {
            var pmids = document.getElementById('pmids').innerHTML;
            var pmidList = pmids.split(",");
            var pmidHTML = "<strong>PMIDS</strong>: ";
            for (i=0;i<pmidList.length;i++) {
                if (i==(pmidList.length - 1)) {
                    pmidHTML = pmidHTML + "<a href=\"showabs\" onclick=\"showAbstract(\'" + pmidList[i] + "\'); return false;\">" + pmidList[i] + "</a>";
                }
                else {
                    pmidHTML = pmidHTML + "<a href=\"showabs\" onclick=\"showAbstract(\'" + pmidList[i] + "\'); return false;\">" + pmidList[i] + "</a>, ";
                }
            }
            document.getElementById('pmids').innerHTML = pmidHTML;
        }