function affdiv(divid)
{
	var h=document.body.clientHeight;
	var w=document.body.clientWidth;
	if(divid=='popup')
	{
		var hp=710;
		var wp=500;
	}
			
	document.getElementById('grisage').style.display='block';
	document.getElementById(divid).style.display = 'block';
	document.getElementById(divid).style.left = (w-wp)/2+'px';
	document.getElementById(divid).style.top = (h-hp)/2+'px';
}

function maskdiv(divid)
{
	document.getElementById('grisage').style.display='none';
	document.getElementById(divid).style.display = 'none';
}