function openAddWindow(widgetType, userId) {
	window.open("/dialogs/add.html?widgetType="+widgetType+"&userId="+userId, 'add', "width=550, height=550, scrollbars=no, toolbar=no");

}

/*
PARAMS:		id -- mailingListid to by modified
FUNCTION:	set hidden value mailingListid to PARAM id then sumbit modifyForm
RETURN:		NONE*/
function modify_client(id) {
	document.modifyForm.mailingList_id.value=id;
	document.modifyForm.action="modify.html";
	document.modifyForm.submit;
} // end modify_client function

function delete_client(id) {
	confirmed = confirm("Delete client?");
	if (confirmed) {
		document.modifyForm.mailingList_id.value=id;
		document.modifyForm.action="delete.html";
		document.modifyForm.submit;
	} // end if
}

/*
verifies that Firstname, Lastname are filled in (check boxes are handled by sign_up.html)
*/
function signup_verify () {
        if (document.sign_up.firstname.value=="") {          
                alert ("You must enter your first name to sign up.");
        } // end if
        else if (document.sign_up.lastname.value=="") { 
                alert ("You must enter your last name to sign up.");
        } // end else if
        else if (document.sign_up.email.value=="") {
                alert ("You must enter your email to sign up.");
        } // end else if
        else {
                document.sign_up.action='sign_up.html';
                document.sign_up.submit();
        } // end else
} // end signup_verify


/*
verifies quantity field to make sure it is a positive integer
*/
function submit_add (form) {
	if (validNum (form.quantity, 'Quantity')) {
		form.action='add.html';
		form.submit();
	} // end if
} // end submit_add

// get browser type
var agent = navigator.userAgent.toLowerCase();
var is_ie = ((agent.indexOf("msie") != -1) && (agent.indexOf("opera") == -1));