<apex:page standardController="Account" extensions="DeleteContactsController">
    <apex:form>
        <apex:pageBlock title="Account {!account.Name} Related Contacts">
            <p>Please select the contacts you wish to delete for&nbsp;<apex:outputLink value="/{!account.Id}">{!account.Name}</apex:outputLink>.</p>
            <apex:pageMessages />

            <apex:pageBlockButtons>
                <apex:commandButton value="Cancel" action="{!cancel}" />
                <apex:commandButton value="Delete" action="{!deleteContacts}" onclick="if(!confirm('Contacts will be gone forever, are you sure?')){return false};" />
            </apex:pageBlockButtons>

            <apex:pageBlockTable value="{!contacts}" var="contact">
                <apex:column headerValue="Select" width="10%">
                    <apex:inputCheckbox value="{!contact.checked}"/>
                </apex:column>
                <apex:column headerValue="{!$ObjectType.Contact.fields.Name.Label}">
                    <apex:outputLink value="/{!contact.contact.Id}">{!contact.contact.Name}</apex:outputLink>
                </apex:column>
            </apex:pageBlockTable>
        </apex:pageBlock>
    </apex:form>
</apex:page>