function validate(){
with (document.form1){
	if (name.value=="") {
		alert("Anda lupa memasukkan nama Anda");
		name.focus();
		return false;
	} else if (name.value.length<=2) {
		alert("Nama yang Anda isikan invalid!");
		name.focus();
		return false;
	} else if (email.value=="") {
		alert("Anda lupa memasukkan alamat e-mail Anda");
		email.focus();
		return false;
	} else if (email.value.indexOf('@')==-1 || email.value.indexOf('.')==-1) {
		alert("Alamat e-mail Anda invalid!");
		email.focus();
		return false;
	} else if (comment.value=="") {
		alert("Anda lupa memasukkan pertanyaan atau saran Anda");
		comment.focus();
		return false;
	} else { 
		var namaField=new Array('company','address','city','country','phone');
		for(i=0; i<namaField.length; i++) {
			temp=eval("document.form1."+namaField[i]+".value;");
			if (temp == "") { 
				alert("Anda lupa memasukkan data berikut ini: "+namaField[i]+"");
				eval("document.form1."+namaField[i]+".focus();");
				return false;
			}
		}
	}
}
}