function submit_form()
{
   
    element=document.getElementById('user_username');
    
    if(element!=null)
    {
       if(trim_space(element.value)=='')
        {
            alert("Please Enter "+element.title);
            element.focus();
            return false;
        }
    }
	
    
    element=document.getElementById('user_password');
    
    if(element!=null)
    {
       if(trim_space(element.value)=='')
        {
            alert("Please Enter "+element.title);
            element.focus();
            return false;
        }
    }
    
    

 return true;   

}


function submit_email()
{
   
    element=document.getElementById('user_email');
    
 if(element!=null)
    {
       if(trim_space(element.value)=='')
        {
            alert("Please Enter "+element.title);
            element.focus();
            return false;
        }
        else
        {
            if (!(/^\w+([\.-]?\w+)*@\w+([\.-]?\w+)*(\.\w{2,5})+$/.test(element.value)))
            {
                alert("Please Enter Valid "+element.title);
                element.focus();
                return false;
            }
        }
    }   

 return true;   

}

function IsNumeric(strString)
{
   var strValidChars = "0123456789";
   for (i = 0; i < strString.length; i++)
   {
      strChar = strString.charAt(i);
      if (strValidChars.indexOf(strChar) == -1)
      {
         return false;
      }
   }
   return true;
}

/*########################## */

function trim(inputString)
{
    inputString = inputString.replace(/^\s+/g,"");
    inputString = inputString.replace(/\s+$/g,"");
    return inputString;
}