function dl(){}
function right(){
    document.writeln("<!--右下角广告-->");
}
function top_bar() {}
function common_mid(){}
function list1(){}
function bottom(){}

function list_top(){}
function list_mid(){
    document.writeln("<p align='center'>");
    
    document.writeln("</p>");
}
function list_bot(){
    document.writeln("<p align='center'>");
    
    document.writeln("</p>");
}

function read_1_1(){
    document.writeln("<div style='margin:10px auto;width: 930px;height: 250px;'>");
    document.writeln("<span style='float:left;margin:0 5px'>");
    
    document.writeln("</span>");
    document.writeln("<span style='float:left;margin:0 5px'>");
    
    document.writeln("</span>");
    document.writeln("<span style='float:left;margin:0 5px'>");
    
    document.writeln("</span>");
    document.writeln("</div>");
}
function read_1_2(){}
function read_1_3(){}
function read3(){
    
// 
}
function read4(){
    document.writeln("<p align='center'>");
    
    document.writeln("</p>");
}