<apex:page docType=”html-5.0″ standardController=”Opportunity” title=”Detals”>


   <apex:outputPanel rendered=”{!if(Opportunity.stagename==’Prospecting’,true,false)}”>
        This is prospecing tips
   </apex:outputPanel>
   <apex:outputPanel rendered=”{!if(Opportunity.stagename==’Needs Analysis’,true,false)}”>
        This is without prospecing tips
   </apex:outputPanel>
 
   <apex:outputPanel rendered=”{!if(Opportunity.stagename==’Proposal/Price Quote’,true,false)}”>
        This is without prospecing tips
   </apex:outputPanel>
 
   <apex:outputPanel rendered=”{!if(Opportunity.stagename==’Negotiation/Review’,true,false)}”>
        This is without prospecing tips
   </apex:outputPanel>
</apex:page>

Cheers!!!