var flag = false; var arr = new Array(); function toggle(a) { if (document.getElementById(a + "t").src.match("img/subUp.png")) { flag = true } else { flag = false } i = 0; while (document.getElementById(a + i) != null) { if (flag) { hidediv(a + i) } else { showdiv(a + i) } i++ } if (flag) { document.getElementById(a + "t").src = "img/subDown.png" } else { document.getElementById(a + "t").src = "img/subUp.png" } flag = !flag } function hidediv(a) { if (document.getElementById) { document.getElementById(a).style.display = "none" } else { if (document.layers) { document.id.display = "none" } else { document.all.id.style.display = "none" } } } function showdiv(a) { document.getElementById(a).style.display = "block" };