var newwindow;

function popup(url, window_name)
{

	newwindow=window.open(url, '','left=600,top=200,width=310,height=300,resizable=0,location=0,menubar=0,scrollbars=1,status=0,toolbar=0');
	
	if (window.focus) {newwindow.focus()}
}

function popup2(url, window_name)
{

	newwindow=window.open(url, '','left=600,top=200,width=310,height=250,resizable=0,location=0,menubar=0,scrollbars=1,status=0,toolbar=0');
	
	if (window.focus) {newwindow.focus()}
}