function valid1()
   {   
    
     
      if(document.getElementById('cname1').value==0)
      {
        alert("Please Enter Your Name");
        document.getElementById('cname1').select();
        return false;        
      }
      if(document.getElementById('aa1').value==0)
      {
        alert("Please Enter Your Email");
        document.getElementById('aa1').select();
        return false;        
      }
	  
	   var emailfilter=/^\w+((-\w+)|(\.\w+))*\@[A-Za-z0-9]+((\.|-)[A-Za-z0-9]+)*\.[A-Za-z0-9]+$/
			    var e=document.getElementById('aa1').value
			    var returnval=emailfilter.test(e)	
			    if(returnval == false)
			    {
				    alert('Please Enter valid Email');
				    document.getElementById('aa1').focus();
				    return false;
			    }	 
	  
   
	   
	    if(document.getElementById('comment1').value==0)
      {
        alert("Please Enter Your Comment");
        document.getElementById('comment1').focus();
        return false;        
      }	    
	 
     }