var mydiv;var sl;var s;
function showpopnavi(id, sub, nor) { if(document.getElementById) { mydiv = document.getElementById(id); if(sub) { clearTimeout(s); mydiv.style.display = 'block'; }else{ mydiv.style.display = (mydiv.style.display == 'block' ? 'none' : 'block'); mydiv.style.clip = 'rect(auto, 0px, 0px, auto)';var Y = Math.ceil(mydiv.offsetHeight / 2); sliding(0, 0, Y); } mydiv.style.position = 'absolute';var par = document.getElementById(id + '_parent');var top  = par.offsetHeight;var left = 0;for(; par; par = par.offsetParent){ top  += par.offsetTop; left += par.offsetLeft; } mydiv.style.top = top  +'px';mydiv.style.left = left - ((!nor) ? 0 : 1 ) +'px';}}
function sliding(clipX, clipY, Y) { if (clipY < mydiv.offsetHeight) { clipY += Y;mydiv.style.clip = "rect(auto, auto, " + clipY + "px, auto)";sl = setTimeout("sliding(" + clipX + ", " + clipY + ", " + Y + ")", 0);}else{ clearTimeout(sl);}}
function hidepopnavi(id) {var c = document.getElementById(id); s = setTimeout("document.getElementById('"+c.id+"').style.display = 'none'", 333); }