// JavaScript Document
	var remail=/^([_&a-zA-Z0-9-]+(\.[_&a-zA-Z0-9-]+)*@[&a-zA-Z0-9-]+\.+[&a-zA-Z0-9-]+)/;

			function checkEmail(vai){
				if(remail.test(vai))
						return false;
					else
						return true;
				}
				
function validation(){
	
	
			if(document.frm_contact.text_name.value == ""){
				alert("please enter name");
				document.frm_contact.text_name.focus();
				return false;
			}else if(document.frm_contact.text_emailid.value == ""){
				alert("please enter email address");
				document.frm_contact.text_emailid.focus();
				return false;
			}else if(checkEmail(document.frm_contact.text_emailid.value)){
				alert("please enter valid email address");
				document.frm_contact.text_emailid.focus();
				return false;
			}else if(document.frm_contact.text_message.value == ""){
				alert("please enter Comments");
				document.frm_contact.text_message.focus();
				return false;

			}	
				document.frm_contact.submit();
		}