<apex:page controller="EditPage3" showHeader="FALSE" sidebar="False" id="thepage" >
<script language="javascript">
function fun()
{
alert("Hi");
alert("got it"+document.getElementById("thepage:FirstForm:revpanel:rev1").value);
alert("gone");
}


</script>
    <apex:form id="FirstForm">
        <apex:pageBlock id="blok" >
             <apex:pageBlockButtons location="Top">
                <apex:commandButton value="Save" action="{!saveall}"/>
              </apex:pageBlockButtons>   
             &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
            &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;            
            &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;            
               Select Year: <apex:selectList value="{!SelecedDateValue}"  onchange="myfunction();fun();"  size="1">                     
                    <apex:selectOptions value="{!Dateoptions}" />
                </apex:selectList>
                <apex:actionFunction name="myfunction" action="{!doProcess}" rerender="FirstForm" status="myStatus"/>
                 <apex:outputPanel id="thePanel" rendered="{!showpannel}">                     
                     <apex:inputText value="{!value1}" id="val1" style="height:15px;font-size:12px;" style="width:8%"/>                     
                     <apex:inputText value="{!value2}" id="val2" style="height:15px;font-size:12px;" style="width:8%"/>                     
                     <apex:inputText value="{!value3}" id="val3" style="height:15px;font-size:12px;" style="width:8%"/>                     
                     <apex:inputText value="{!value4}" id="val4" style="height:15px;font-size:12px;" style="width:8%"/>                     
                     <apex:inputText value="{!value5}" id="val5" style="height:15px;font-size:12px;" style="width:8%"/>                     
                     <apex:inputText value="{!value6}" id="val6" style="height:15px;font-size:12px;" style="width:8%"/>                     
                     <apex:inputText value="{!value7}" id="val7" style="height:15px;font-size:12px;" style="width:8%"/>
                </apex:outputPanel>                
        </apex:pageBlock>
        <div id="show">
        <table>
        <tr><td>
        <apex:selectList value="{!Metric1}" size="1" onchange="Metric1fun()">
            <apex:selectOptions value="{!Metri1options}"/>
        </apex:selectList>
        <apex:actionFunction name="Metric1fun" action="{!Metric1funProcess}" status="myStatus"/>
        
         <apex:outputPanel id="revpanel" rendered="{!revpanel}" >         
            <apex:inputText value="{!rev1}" id="rev1" style="height:15px;font-size:12px;" style="width:8%"/>                     
            <apex:inputText value="{!rev2}" style="height:15px;font-size:12px;" style="width:8%"/>                     
            <apex:inputText value="{!rev3}" style="height:15px;font-size:12px;" style="width:8%"/>                     
            <apex:inputText value="{!rev4}" style="height:15px;font-size:12px;" style="width:8%"/>                     
            <apex:inputText value="{!rev5}" style="height:15px;font-size:12px;" style="width:8%"/>                     
            <apex:inputText value="{!rev6}" style="height:15px;font-size:12px;" style="width:8%"/>                     
            <apex:inputText value="{!rev7}" style="height:15px;font-size:12px;" style="width:8%"/>                     
            <apex:inputText value="{!rev8}" style="height:15px;font-size:12px;" style="width:8%"/>                     
        </apex:outputPanel>

         <apex:outputText value="Watch this counter: {!count}" id="counter"/>
        <apex:actionStatus startText=" (incrementing...)"
            stopText=" (done)" id="counterStatus"/>
        <apex:actionPoller action="{!incrementCounter}" rerender="counter"
            status="counterStatus" interval="15"/>

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//some code.

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    </apex:form>
</apex:page>

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As i am new to apex, Kindly sugest a solution for this ASAP.

Thanks & Worm Regards

Adithya K