function openBrWindow(theURL,winName,features, myWidth, myHeight, isCenter) { //v3.0
  if(window.screen)if(isCenter)if(isCenter=="true"){
    var myLeft = (screen.width-myWidth)/2;
    var myTop = (screen.height-myHeight)/2;
    features+=(features!='')?',':'';
    features+=',left='+myLeft+',top='+myTop;
}
 msgWindow=window.open(theURL,winName,features+((features!='')?',':'')+'width='+myWidth+',height='+myHeight);
 if (msgWindow.opener == null) msgWindow.opener = self;
}
 
 function validForm(form) {
	if (form.REQUIRED_NAME.value.length== 0 ) {
	alert("Please enter your name.");
    form.REQUIRED_NAME.focus();
    return false;
	}
	if (form.REQUIRED_EMAIL.value.indexOf("@") == -1 ) {
		alert("Please enter a valid e-mail address.");
		form.REQUIRED_EMAIL.focus();
	return false;	
	}
	if (form.WCOMMENTS.value.length== 0 ) {
		alert("Please enter your comments.");
		form.WCOMMENTS.focus();
	return false;	
	}
    return true;
}