Hello everybody,

                Im Creating an application form where i have Application__c object in force.com and i break that into several pages in visualforce like  courses offered in one page personal details in one page, Educational details in one page and my targt is when i select a course  and click the next button i want to get the Personal Details page  but im unable to getting it i tried alot but its displaying the current page it self if any body aware of this can u pls help me 

Courses offerd page :

(courses url              :https://..... /apex/appcrses)

( personaldetails url :https://..... /apex/sample1)

<apex:page standardController="Application__c" showHeader="false" sidebar="false" tabStyle="Application__c" extensions="appext1" >
    <style>
        .activeTab {background-color: #236FBD; color:white; background-image:none}
        .inactiveTab { background-color: lightgrey; color:black; background-image:none}
    </style>
      <u><font style="Verdana" size="6" color="green"> <b>COURSE DETAILS</b> </font></u><br></br><br></br>
    <apex:tabPanel switchType="client" selectedTab="Streams" id="theTabPanel">
        <apex:tab label="B.Tech" name="B.Tech" id="tabdetails" >
            <apex:form style="align=Center">
                <apex:selectRadio value="{!btech}" layout="pageDirection">
                <apex:selectOptions value="{!items}" rendered="true"/>
                </apex:selectRadio>
            </apex:form>
        </apex:tab>
        <apex:tab label="M.Tech" name="M.Tech" id="tabContact">
            <apex:form style="align=Center">
                <apex:selectRadio value="{!mtech}" layout="pageDirection">
                <apex:selectOptions value="{!items}" rendered="true"/>
                </apex:selectRadio>
            </apex:form>
        </apex:tab>
        <apex:tab label="Pharmacy" name="Pharmacy" id="tabOpp">
            <apex:form style="align=Center">
                <apex:selectRadio value="{!pharma}" layout="pageDirection">
                <apex:selectOptions value="{!pitems}" rendered="true"/>
                </apex:selectRadio>
            </apex:form>   
        </apex:tab>
        <apex:tab label="Arts" name="Arts" id="tabOpenAct">
            <apex:form style="align=Center">
                <apex:selectRadio value="{!arts}" layout="pageDirection">
                <apex:selectOptions value="{!artitems}" rendered="true"/>
                </apex:selectRadio>
            </apex:form>
        </apex:tab>
        <apex:tab label="Other" name="others" id="tabNoteAtt">
            <apex:form style="align=Center">
                <apex:selectRadio value="{!other}" layout="pageDirection">
                    <apex:selectOptions value="{!otheritems}" rendered="true"/>
                </apex:selectRadio>              
            </apex:form>
        </apex:tab><apex:form >
        <apex:commandButton value="SAVE and NEXT " action="{!next}" /></apex:form>       
    </apex:tabPanel>
</apex:page>

class

public class appext1
{
    Application__c application;
//   ApexPages.StandardController Controller = new ApexPages.StandardController(application);          
    public appext1(ApexPages.StandardController controller)
    {
        this.application=(Application__c)controller.getRecord();       
    }
    string courses;
    public string lastcourses;
    public string laststreams;

    ......

    .......

    .........

    public pageReference next()
    {    
        lastcourses=courses;     
       /* String newPageUrl = '/apex/sample1';

            PageReference newPage =new PageReference(newPageUrl);

       */
        PageReference newPage = page.sample1;
        newPage.setRedirect(true);
        return newPage;   
    }

}