function checksubmit(form) {
	nosubmit = 0;

	for(i in form.elements) {
		if(form.elements[i] && form.elements[i].type=='text' && form.elements[i].value=='') {
			alert(form.elements[i].name + ' is required!');
			nosubmit = 1;
		}
	}

	if(!nosubmit) form.submit();
}