if (document.getElementById && document.createTextNode){canDOM=true} function dsp(loc){ if(document.getElementById){ var foc=loc.firstChild; foc=loc.firstChild.innerHTML? loc.firstChild: loc.firstChild.nextSibling; foc.innerHTML=foc.innerHTML=='+'?'-':'+'; foc=loc.parentNode.nextSibling.style? loc.parentNode.nextSibling: loc.parentNode.nextSibling.nextSibling; foc.style.display=foc.style.display=='block'?'none':'block';}} if (canDOM){ document.write('') }