varlineheightnum=parseint(lineheight);
if(lineheightnum>25){
varlinehn=eval(lineheightnum-4);
$("div#readercontainer").css("line-height",linehn+"px");
$("#hang-da").html("t+");
varlineheight=$("div#readercontainer").css("line-height");
varlineheightnum=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
$("#hang-da").click(function{
varlineheight=$("div#readercontainer").css("line-height");
varlineheightnum=parseint(lineheight);
if(lineheightnumt-");
varlineheight=$("div#readercontainer").css("line-height");
varlineheightnum=parseint(lineheight);