function openPopupEx(address, name, width, height)
	{
		var width_c;
		var height_c;
		var dX = 10;
		var dY = 30;
		
		width_s = window.screen.availWidth - dX;
		height_s = window.screen.availHeight - dY;

		var scrollbars = "scrollbars=no";
		var width_r = "width=" + width + ",";
		var height_r = "height=" + height + ",";
		var top_r = "top=" + (height_s - height)/2 + ",";
		var left_r = "left=" + (width_s - width)/2 + ",";

		if (width > width_s)
		{
			width_r = "width=" + (width_s) + ","
			scrollbars = "scrollbars=yes";
			left_r = "left=0,";
		}

		if (height > height_s)
		{
			height_r = "height=" + (height_s) + ","
			scrollbars = "scrollbars=yes";
			top_r = "top=0,";
		}

		window.open(address, name, 'menubar=no,toolbar=no,directories=no,resizable=0,'+width_r+height_r+top_r+left_r+scrollbars);
	}