function showHideGameselect() { var divs = document.getElementsByTagName('div'); for(var no = 0; no < divs.length; no++) if(divs[no].className=='menuselect') divs[no].style.display = 'none'; var numericID = this.id.replace(/[^\d]/g,''); var obj = document.getElementById('g' + numericID); if(obj.style.display=='block') obj.style.display='none'; else obj.style.display='block'; } function initShowHideContent() { var divs = document.getElementsByTagName('div'); for(var no = 0; no < divs.length; no++) if(divs[no].className=='menuselect') divs[no].onclick = showHideGameselect; } window.onload = initShowHideContent;