function geshichange(a,b){
   var show = document.getElementById(a);
   var hide = document.getElementById(b);
   
   if(show.style.display == "none"){
        show.style.display="block";
        hide.style.display="none";
   }
   else{
        hide.style.display="block";
        show.style.display="none";
   }
}

function expand(a,b){
    var code = document.getElementById(a);
    var code2 = document.getElementById(b);
    
    if(code.style.maxHeight != 'none')
    {
        code.style.maxHeight='none';
        code2.style.maxHeight='none';
    }
    else
    {
        code.style.maxHeight='200px';
        code2.style.maxHeight='200px';
    }
}

function fnSelect(objId) {
    if (document.selection) {
    var range = document.body.createTextRange();
    range.moveToElementText(document.getElementById(objId));
    range.select();
    range.execCommand("Copy");
    }
    else if (window.getSelection) {
    var range = document.createRange();
    range.selectNode(document.getElementById(objId));
    window.getSelection().addRange(range);
    }
}