function open_window(url) {
mywin =  window.open(url,"win",'toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=yes,resizable=yes,scrollable=yes,width=800,height=1000');
}

function ighelp (ig) {
	igwin = window.open(ig,"igpage","width=600,height=400,toolbar=no,menubar=no,scrollbars=yes,resizable=no");
	igwin.focus();
	if (!igwin.opener) {
			igwin.opener = "self";
    		}
	}
function ighelp2 (ig) {
	igwin = window.open(ig,"igpage","width=570,height=390,toolbar=no,menubar=no,scrollbars=no,resizable=no");
		igwin.focus();
		if (!igwin.opener) {
        			igwin.opener = "self";
  			}
	}