function validate_required(field,alerttxt){
		with (field){
    		if (value==null||value=="")
    		  {alert(alerttxt);return false;}
    		else {return true}
		}
	}

	function validate_required2(field,alerttxt){
		with (field){
    		if (value==null||value==""||value=="Name:"||value=="Phone:")
    		  {alert(alerttxt);return false;}
    		else {return true}
		}
	}

	function validate_email(field,alerttxt){
		with (field){
    		apos=value.indexOf("@");
    		dotpos=value.lastIndexOf(".");
    		if (apos<1||dotpos-apos<2)
    		  {alert(alerttxt);return false;}
    		else {return true;}
		}
	}


	function validate_contact_form(thisform){
		with (thisform){
    		if (validate_email(email,"Not a valid e-mail address!")==false)
    		  {email.focus();return false;}
    		if (validate_required(email,"Email must be filled out!")==false)
    		  {email.focus();return false;}
    		if (validate_required(name,"Name must be filled out!")==false)
    		  {email.focus();return false;}
    		if (validate_required(phone,"Phone must be filled out!")==false)
    		  {email.focus();return false;}
		}
	}