Here's my page code.  I need to say If profile != 'GIS' then no dealer approver name needed, else ask for dealer approver name.  is this possible? (I've commented where I need the IF statement

<apex:page standardController="Change__c" extensions="SubmitforApproval"> 
<apex:form id="frm"> 
<apex:detail subject="{!Change__c.Id}" relatedList="false" title="false"/> 
<apex:outputPanel id="tstpopup" rendered="{!IF(isDisplayPopUp ==true,true,false)}" > 
<apex:outputPanel styleClass="popupBackground" layout="block" /> 
<apex:outputPanel styleClass="custPopup" layout="block"> 
<apex:pageMessages >
</apex:pageMessages> 
<apex:pageBlock >
<apex:pageBlockSection columns="1" > 

<!--This is where I need the IF statement-->


<apex:inputField label="Dealer Approver" value="{!Change__c.Dealer14__c}" required="true"/>
<apex:inputField label="Change Implementor" value="{!Change__c.Change_Implementer__c}" required="true"/>
<apex:inputField label="Test Plan" value="{!Change__c.Test_Plan1__c}" required="true" style="width: 500px"  />
<apex:inputField label="Implementation Plan" value="{!Change__c.Implementation_Plan1__c}" required="true" style="width: 500px"/>
<apex:inputField label="Backout Plan" value="{!Change__c.Backout_Plan1__c}" required="true" style="width: 500px"/>
<apex:inputField label="Estimated Duration" value="{!Change__c.Estimated_Duration__c}" required="true"/>


<apex:outputPanel > 
<apex:CommandButton action="{!save}" value="Save!"/> 
<apex:CommandButton action="{!cancel}" value="cancel"/> 
</apex:outputPanel>
</apex:pageBlockSection>
</apex:pageBlock>
</apex:outputPanel>
</apex:outputPanel>





</apex:form>