$('div.parent').click(function(){ // 获取所谓的父行
var a=$(this).css("background-image");
if (a.indexOf("grade_Expand.jpg")>0)
{$(this).css("background-image","url(/images/grade_Fold.jpg)")}
else{$(this).css("background-image","url(/images/grade_Expand.jpg)")}
$(this)
//.css("background-image","url(/images/grade_Fold.jpg)")
.toggleClass("selected") // 添加/删除高亮
.siblings('#child_'+this.id).toggle(); // 隐藏/显示所谓的子行
});
html
<div id="48" class="parent GClist_grade" >2011级</div><div id="child_48" class="child GClist_list" ><div style="float:left;width:100px">语文</div><div style="float:left"> </div></div><div id="child_48" class="child GClist_list" ><div style="float:left;width:100px">数学</div><div style="float:left">ggg</div></div><div id="child_48" class="child GClist_list" ><div style="float:left;width:100px">英语</div><div style="float:left"> </div></div><div id="child_48" class="child GClist_list" ><div style="float:left;width:100px">化学</div><div style="float:left"> </div></div><div id="child_48" class="child GClist_list" ><div style="float:left;width:100px">生物</div><div style="float:left"> </div></div><div id="234" class="parent GClist_grade" >2010级</div><div id="child_234" class="child GClist_branch">1部</div><div id="child_234" class="child GClist_list" ><div style="float:left;width:100px">数学</div><div style="float:left"> </div></div><div id="child_234" class="child GClist_list" ><div style="float:left;width:100px">英语</div><div style="float:left"> </div></div><div id="child_234" class="child GClist_branch">2部</div><div id="child_234" class="child GClist_list" ><div style="float:left;width:100px">数学</div><div style="float:left"> </div></div><div id="child_234" class="child GClist_list" ><div style="float:left;width:100px">英语</div><div style="float:left"> </div></div>