function popUp(purl,pname,pwidth,pheight) { if (purl != ""){ if (newWindow && !newWindow.closed) newWindow.close(); var win = window.open(purl, pname, 'top=0, left=0, toolbar=no, menubar=no, scrollbars=no, resizable=no, location=no, status=no,width=' + pwidth + ',height=' + pheight + '', true); } } function changeSrc(imgName, imgSrc) { document[imgName].src = imgSrc; }