function help_window(freshurl) {
	SmallWin = window.open(freshurl, 'HelpWindow','scrollbars=yes,resizable=yes,toolbar=yes,height=480,width=471');
	if( ! isIE4() ) {
		if (window.focus) {
			SmallWin.focus();
		}
	}
	if (SmallWin.opener == null) SmallWin.opener = window;
    SmallWin.opener.name = "PUMain";
}
function isIE4() {
	return( navigator.appName.indexOf("Microsoft") != -1 && (navigator.appVersion.charAt(0)=='4') );
}
function go(drop_down, frame_name){
	frame_status = "none"
	if (frame_name == null) {
		frame_name = "top";
		go_now(drop_down,frame_name);
	} else {
		for (f=0;f < parent.frames.length;f++){
			if (frame_name == parent.frames[f].name) {
				frame_status = "true";
				break;
				}  else {
				frame_status = "false"
				}	
			}
		if (frame_status == "true"){
			go_now(drop_down,frame_name);
		} else {
			alert("Error: " + frame_name + " is not a valid frame name");
			drop_down.selectedIndex = 0;
		}
	}
}
function go_now(drop_down,frame_name){
	(drop_down.options[drop_down.selectedIndex].value != "null") ? parent.frames[frame_name].location.href = drop_down.options[drop_down.selectedIndex].value : alert("Please make a valid selection");
	drop_down.selectedIndex = 0;
}