>25){
var lineHN = eval(lineHeightNum-4);
$("div#readercontainer").css("line-height",lineHN+"px");
$("#hang-da").html("T+");
var lineHeight = $("div#readercontainer").css("line-height");
var lineHeightNum = parseInt(lineHeight);
if(lineHeightNum==22){
$("#hang-xiao").html("T");
}
//添加cookie记录
setCookie("readsetlineheihgt",lineHN,30);
}
});
//行间距设置减小
$("#hang-da").click(function(){
var lineHeight = $("div#readercontainer").css("line-height");
var lineHeightNum = parseInt(lineHeight);
if(lineHeightNum T-");
var lineHeight = $("div#readercontainer").css("line-height");
var lineHeightNum = parseInt(lineHeight);
if(lineHeightNum==46){
$("#hang-da").html("T");
}
//添加cookie记录
setCookie("readsetlineheihgt",lineHN,30);
}
});
//切换阅读背景颜色
$("d_bg dl span").each(function(index,element){
$(this).
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