function openContactUsForm(form, email, name, prefix){
// US, 02/11/05
// prefix used if JS called from page away from root, otherwise URL won't work
// example of use: <a href=\"javascript: openContactUsForm('pictureRequest', 'uli@capture.co.uk', 'Ulrich Schur', '');\">test form</a>

	if (form == "contactUs"){
		dimensions = "width=500,height=500";
	}
	if (form == "pictureRequest"){
		dimensions = "width=500,height=550";
	}

	// open window (url, window name, parameters)
	w=window.open(prefix+'contactUsPopUp.php?form='+form+'&email='+email+'&name='+name, 'contactUsForm', dimensions);
	w.focus();
}