//当文档树加载完毕执行操作
$(document).ready(function(){
//计算可输入的字符剩余数,textbox将英文,中文都认为是暂1位
$("#txtAskTitle").keyup(function(){
var currentLength = $("#txtAskTitle").val().length;
$("#askLastLeng").text(250-currentLength);
}).change(function(){
var currentLength = $("#txtAskTitle").val().length;
$("#askLastLeng").text(250-currentLength);
});
//限制最多只能选中5个标签
$(":checkbox").click(function(){
count = 0;
var checkboxs = $(":checkbox");
for(i = 0;i<checkboxs.length;i++)
{
if(checkboxs[i].checked)
{
count += 1;
}
if(count > 5)
{
this.checked = false;
//错误提示框淡入淡出效果
$("#errorMsg").fadeIn("slow",function(){
setTimeout(function(){
$("#errorMsg").fadeOut("slow",0.0);
},
2000)
});
break;
}
}
});
});
//验证表单是否通过(有无空缺必填项^-^)
function isValidation()
{
if($.trim($("#txtAskTitle").val()) != "" && count > 0)
{
return true;
}
else
{
alert("*号必填");
return false;
}
}
for(i = 0;i<picinfos.length;i++)
{
picinfos[i].style.height = alls[i].scrollHeight - 30 + "px";
}