function openwin(strURL)
{
	//window.open("about:blank", "guestbook", "height=420,width=620,left=50,top=50,toolbar=0,menubar=0,scrollbars=1,resizable=0,location=1,status=0");
	//window.open(strURL, "guestbook", "height=420,width=620,left=50,top=50,toolbar=0,menubar=0,scrollbars=1,resizable=0,location=0,status=0");
	window.open(strURL, "", "height=420,width=620,left=50,top=50,toolbar=0,menubar=0,scrollbars=1,resizable=0,location=0,status=0");
}