var now ='';
Coodinate1 = new Array('','');
Coodinate2 = new Array('','');

function show_menu(_elem, n){
// 今メニューを表示していたら、それを消す
if(now != '' && now.style.display == 'block'){
now.style.display = 'none';
}

left=_elem.style.left;
with(document.getElementById('menu'+n)){
style.display = 'block';
style.left = left;
Coodinate1[0] = offsetLeft;
Coodinate1[1] = offsetTop;
Coodinate2[0] = (offsetWidth + offsetLeft);
Coodinate2[1] = (offsetHeight + offsetTop);
}

// 表示したメニューを保持
now = document.getElementById('menu'+n);
}

function hide_menu(_elem){
_elem.style.display = 'none';
}

function hide_menu2(_elem){
mouseX = event.clientX;
mouseY = event.clientY;
status_ = !(((Coodinate1[0] < mouseX)&&(mouseX < Coodinate2[0])) && ((Coodinate1[1] < mouseY)&&(mouseY < Coodinate2[1])));

if(status_){
_elem.style.display = 'none';
Coodinate1 = new Array('','');
Coodinate2 = new Array('','');
}
}


function winopen(url){
win=window.open(url,"host","scrollbars=1,width=1000,height=650,resizable=yes");
}

function rollOver(obj,val) {obj.className = val;}