function PopUp(file)
{
	width = 640;
	height = 480;
	x = ((window.screen.availWidth-width)/2);
    y = ((window.screen.availHeight-height)/2);

	window.open( file, "null", "resizable=1,scrollbars=1,alwaysRaised=no,width="+width+", left="+x+",top="+y+", height="+height+",screenX="+x+",screenY="+y+",menubar=no,statusbar=no" );
}

function Menu(key)
{	
	var menu = document.getElementById(submenu[key]);
	
	if(menu.className == 'page_submenu_hidden')
	{
		menu.className = 'page_submenu';
	}
	else
	{
		menu.className = 'page_submenu_hidden';
	}
}

var submenu = new Array();
submenu[0] = 'submenu_1';
submenu[1] = 'submenu_2';
submenu[2] = 'submenu_3';
submenu[3] = 'submenu_4';
submenu[4] = 'submenu_5';

var submenu_trigger = new Array();
submenu_trigger[0] = 'submenu_trigger_1';
submenu_trigger[1] = 'submenu_trigger_2';
submenu_trigger[2] = 'submenu_trigger_3';
submenu_trigger[3] = 'submenu_trigger_4';
submenu_trigger[4] = 'submenu_trigger_5';

for(var j = 0; j < submenu.length; ++j)
{
	document.getElementById(submenu[j]).className = 'page_submenu_hidden';
}

for(var i = 0; i < submenu_trigger.length; ++i)
{
	document.getElementById(submenu_trigger[i]).onmouseover = new Function('Menu('+i+')');
	document.getElementById(submenu_trigger[i]).onmouseout = new Function('Menu('+i+')');
}