function hidemsg()
   {
      document.getElementById("lblImage").className="lblmodified";
      document.getElementById("lblCategory").className="lblmodified";
   }
  function trial()
 {   
      alert("Are you sure you want to delete this record");
      var val=confirm("Are you sure you want to delete this?");
      if(val==true)
      return true;
      else
      return false;
      
      
 } 
 function checkQuestion()
 {
    var title=document.getElementById("txtTitle").value;
    var category=document.getElementById("ddlCategory").value;
    var subcategory=document.getElementById("ddlSubcategory").value;
    
    if(title=="")
    {
    alert("You can not add a Question without a title");
    return false;
    }
    else if(category==-1)
    {
    alert("Please select the Category"); 
    return false;
    }
    else if(subcategory==-1)
    {
    alert("Please select the Subcategory"); 
    return false;
    }
    else
    return true;
 
 }




    function CheckDeletion()
    {
      var flag=confirm("Do you want to delete this record?");
       
       if(flag==true)
       return true;
       else
       return false;
    }
    function CheckDeletion1()
    {
    var val=document.getElementById("ddlCategory").value;
    if(val==-1)
    {
    alert("Please select a category");
    return false;
    }
    var flag=confirm("Do you want to delete this category?");
       
       if(flag==true)
       return true;
       else
       return false;
    }
    
    
    
    function CheckDeletion2()
    {
    var val=document.getElementById("ddlSubcategory").value;
    if(val==-1)
    {
    alert("Please select a Subcategory");
    return false;
    }
    var flag=confirm("Do you want to delete this subcategory?");
       
       if(flag==true)
       return true;
       else
       return false;
    }

         
   
    
    

function show()
{
var category = document.getElementById("ddlCategory").value;

if(category==-1)
alert("please select  a category");

}


function show1()
{
var subcategory = document.getElementById("txtAddsubcategory").value;
var category =  document.getElementById("ddlCategory").value;
if(subcategory=="")
{
alert("please enter  a name for your subcategory");
return false;
}
else if(category==-1)
{
alert("Please select a category from the dropdownlist");
return false;
}
else
return true;
}


function show2()
{

var category = document.getElementById("txtAddcategory").value;

if(category=="")
{
alert("please enter  a name for your category");
return false;
}
else
return true;
}


function match()
{
     
     var pass1=document.getElementById("txtOldpassword").value; 
     var pass2=document.getElementById("txtNewpassword").value;      
     var pass3=document.getElementById("txtConfirmnewpassword").value;
      
     if(pass2!=pass3)
     {
     
     document.getElementById("err_msg").innerHTML="Passwords do not match";
     document.getElementById("err_msg").style.display="block";
     return false;
     }     
     else
      {
      document.getElementById("err_msg").style.display="none";
      return true;
      }

}
function msg()
{
   // alert("helo");
   var categoryname= document.getElementById("ddlCategory").value;
   
   if(categoryname==-1)
   {
   alert("please select a category");
   return false;
   }
   else
   return true;

}
function msg1()
{
     var subcategoryname= document.getElementById("ddlSubcategory").value;
     
   if(subcategoryname<0)
   {
   alert("please select a subcategory");
   return false;
   }
   else
   return true;
}


function checkFeedback()
{
  
   var email=document.getElementById('txtEmail').value;
   var comment=document.getElementById("txtComment").value;
   var patt=new RegExp("^[a-zA-Z0-9_.]+@[a-zA-Z]+[.][a-zA-Z]+[.]?[a-zA-z]+$");
        if((email=="")||(patt.test(email)==false))
      {
              
            document.getElementById("dvMsg").innerHTML="Please enter a valid email address";
            document.getElementById("txtEmail").style.borderColor="red";
            return false;
      }
      else if(comment=="")
      {
            document.getElementById("dvMsg").innerHTML="";
            document.getElementById("txtEmail").style.borderColor="gray";
            document.getElementById("dvMsg1").innerHTML="Please enter your feedback";
            document.getElementById("txtComment").style.borderColor="red";
            return false;
      }
      return true;
      

}