function use_selected(use) {
	switch (use.selectedIndex) {
		case 0: //please select
			document.getElementById("size").style.display = "none";
			document.getElementById("press_run").style.display = "none";
			document.getElementById("duration").style.display = "none";
			document.getElementById("corporate_scale").style.display = "none";
			document.getElementById("form_list_submit").style.display = "list-item";
			document.getElementById("form_list_textarea").style.display = "list-item";
			break;
		case 1: //Consumer Magazines US CAN
			document.getElementById("size").style.display = "list-item";
			document.getElementById("press_run").style.display = "list-item";
			document.getElementById("duration").style.display = "none";
			document.getElementById("corporate_scale").style.display = "none";
			document.getElementById("form_list_submit").style.display = "list-item";
			document.getElementById("form_list_textarea").style.display = "list-item";
			break;
		case 2: //Consumer Magazines Non-US
			document.getElementById("size").style.display = "list-item";
			document.getElementById("press_run").style.display = "list-item";
			document.getElementById("duration").style.display = "none";
			document.getElementById("corporate_scale").style.display = "none";
			document.getElementById("form_list_submit").style.display = "list-item";
			document.getElementById("form_list_textarea").style.display = "list-item";
			break;
		case 3: // Magazine Reprints
			document.getElementById("size").style.display = "list-item";
			document.getElementById("press_run").style.display = "list-item";
			document.getElementById("duration").style.display = "none";
			document.getElementById("corporate_scale").style.display = "none";
			document.getElementById("form_list_submit").style.display = "list-item";
			document.getElementById("form_list_textarea").style.display = "list-item";
			break;
		case 4: // Annual Reports
			document.getElementById("size").style.display = "list-item";
			document.getElementById("press_run").style.display = "list-item";
			document.getElementById("duration").style.display = "list-item";
			document.getElementById("corporate_scale").style.display = "none";
			document.getElementById("form_list_submit").style.display = "list-item";
			document.getElementById("form_list_textarea").style.display = "list-item";
			break;
		case 5: //Advertizing brochures
			document.getElementById("size").style.display = "list-item";
			document.getElementById("press_run").style.display = "list-item";
			document.getElementById("duration").style.display = "list-item";
			document.getElementById("corporate_scale").style.display = "none";
			document.getElementById("form_list_submit").style.display = "list-item";
			document.getElementById("form_list_textarea").style.display = "list-item";
			break;
		case 6: //WWW
			document.getElementById("size").style.display = "list-item";
			document.getElementById("press_run").style.display = "list-item";
			document.getElementById("duration").style.display = "list-item";
			document.getElementById("corporate_scale").style.display = "list-item";
			document.getElementById("form_list_submit").style.display = "list-item";
			document.getElementById("form_list_textarea").style.display = "list-item";
			break;
		default:
			document.getElementById("size").style.display = "list-item";
			document.getElementById("press_run").style.display = "list-item";
			document.getElementById("duration").style.display = "list-item";
			document.getElementById("corporate_scale").style.display = "list-item";
			document.getElementById("form_list_submit").style.display = "list-item";
			document.getElementById("form_list_textarea").style.display = "list-item";
			break;
	}
	return;	
		
}
window.onload = function hide_form_fields() {
	document.getElementById("size").style.display = "none";
	document.getElementById("press_run").style.display = "none";
	document.getElementById("duration").style.display = "none";
	document.getElementById("corporate_scale").style.display = "none";
	document.getElementById("form_list_submit").style.display = "list-item";
	document.getElementById("form_list_textarea").style.display = "list-item";
	return;
}