function validate_frm()
		{
		 
		  if(document.getElementById('name').value=="")
		  {
		   alert("Please enter your name");
		   document.getElementById('name').focus();
		   return false;
		  }
		  
		 if(document.getElementById('email').value=="")
		  {
		   alert("Please enter your email address");
		   document.getElementById('email').focus();
		   return false;
		  }  
		 
		  
			var v = document.getElementById('email').value;
			var filter  = /^([a-zA-Z0-9_\.\-])+\@(([a-zA-Z0-9\-])+\.)+([a-zA-Z0-9]{2,4})+$/;
			if (!filter.test(v))
			{
			 alert('Email is invalid');
			 document.getElementById('email').focus();
			 return false;
			}
			
		  if(document.getElementById('phone').value=="")
		  {
		   alert("Please enter your phone number");
		   document.getElementById('phone').focus();
		   return false;
		  }
		  
		  if((document.getElementById('emails').checked==false) && (document.getElementById('phonee').checked==false))
		  {
		   alert("Please select contact type");
		   document.getElementById('emails').focus();
		   return false;
		  }
			
		  if(document.getElementById('mess').value=="")
		  {
		   alert("Please enter your message");
		   document.getElementById('mess').focus();
		   return false;
		  }
		  
		   if(document.getElementById('security_code').value=="")
		  {
		   alert("Please enter security code");
		   document.getElementById('security_code').focus();
		   return false;
		  }
		  
		}