function showImage_(_url,_width,_height)
	{
	var params='nocopyhistory,noresizable,noscrollbars,height='+_height+',width='+_width;
	window.open(_url,'imgwin',params);
	}

function showImage(_url,_width,_height)
	{
	showImage_(_url,_width,_height);
	return false;
	}