function list1(){}
function list2(){
    document.writeln("<p align='center'>");
        document.writeln("</p>");
}
function list3(){
    document.writeln("<p align='center'>");
        document.writeln("</p>");
}

function read1(){}
function read2(){
}
function read3(){
    }
function read4(){
    document.writeln("<p align='center'>");
        document.writeln("</p>");
}