function open_window(URL)
{
	var win;
	win = window.open(URL, 'other_window', 'toolbar=no,location=no,directoryies=no,status=no,menubar=no,scrollbars=yes,resizable=yes,copyhistory=no,width=600,height=600');
}


function opn_win2(URL1,W1,H1)	
{
	var win;
	win = window.open(URL1, 'special', 'toolbar=no,location=no,directoryies=no,status=no,menubar=no,scrollbars=yes,resizable=yes,copyhistory=no,width='+W1+',height='+H1);
}


function banner_change(IMG)
{
	document.top_banner.src="common_images/" + IMG;
}