
		<!--
		function checkform ( form )
		{
		
			if (form.sender_name.value == "") {
				alert( "Please tell us your name." );
				form.sender_name.focus();
				return false ;
			}
			   
		   
			else if (form.email_subject.value == "") {
				alert( "Please enter a subject." );
				form.email_subject.focus();
				return false ;
			}         
			   
			else if (form.email_body.value == "") {
				alert( "Please enter a message." );
				form.email_body.focus();
				return false ;
			}   
		
		   else if (form.email_sender.value.indexOf("@") + "" != "-1" &&
				form.email_sender.value.indexOf(".") + "" != "-1" &&
				form.email_sender.value != "") {  
			return true ;
			}  
				
		   else
		  {
			alert("Please enter your email address in the following format: name@isp.org");
			form.email_sender.focus();
			return false ;
		  }     
		
		}
//-->