function checkForm(form) {
                var elem = form.elements
                for (var i = 0; i < elem.length; i++) {
                        if (elem[i].className == 'verplicht' && elem[i].value == '') {
                                alert('Field '+ elem[i].name + ' has not been entereds.')
                                return false
                        }
                }
                return true
        }  document.write('<form method=post action=accureactie.php onsubmit="return checkForm(this)" style="background-color:">	<table width="" cellpadding="" style="font-family:arial; font-size:; color:">		<tr>			<td>Name&nbsp;*</td>			<td><input class=\"verplicht\" style="background-color:" type=text name=name /></td>		</tr>		<tr>			<td>Email&nbsp;*</td>			<td><input class=\"verplicht\" style="background-color:" type=text name=email /></td>		</tr>		<tr>			<td>Phone</td>			<td><input  style="background-color:" type=text name=phone /></td>		</tr>		<tr>			<td valign=top>Message</td>			<td><textarea  style="background-color:" name=message cols=40 rows=8></textarea></td>		</tr>		<tr>			<td colspan=1><input type=submit name=submit value=Send /> </td>		</tr>	</table></form>');