function CheckForm(list) { 
	var count = 0;
	switch (list){
		case 1: arrHarus = new Array ("_nama","_alamat","_kota","_email","_validasi","_tanya");
				arrHarusTxt = new Array ("Nama","Alamat","Kota","Email","Kode","Pertanyaan");
				count = 6;
				break;
		case 2: arrHarus = new Array ("_nama","_alamat","_kodepos","_telprmh","_telpktr","_hp","_validasi");
				arrHarusTxt = new Array ("Nama","Alamat Kirim","Kode Pos","No. Telepon (R)","No. Telepon (K)","HP","Kode");
				count = 7;
				break;
		case 3: arrHarus = new Array ("_nama","_kota","_email","_saran","_validasi");
				arrHarusTxt = new Array ("Nama","Kota","Email","Saran","Kode");
				count = 5;
				break;
		case 4: arrHarus = new Array ("_nama","_email","_judul","_deskripsi","_url","_url_link","_validasi");
				arrHarusTxt = new Array ("Nama Anda","Email","Judul Website","Deskripsi Website","URL Website","URL Anda yang berisi link ke website ini","Kode");
				count = 7;
				break;
	}

	var i = 0;
	var isi = false;
	for (i = 0; i < count; i++)
	{
		if ((arrHarusTxt[i] == "URL Website") || (arrHarusTxt[i] == "URL Anda yang berisi link ke website ini"))
		{
			if (document.frmEnquiry[arrHarus[i]].value == "http://") 
			{ 
				alert(arrHarusTxt[i] + " harus diisi, tidak boleh kosong !");
				document.frmEnquiry[arrHarus[i]].focus();
				return false;
			}
		}
		if (document.frmEnquiry[arrHarus[i]].value.length == "0")
		{ 	alert(arrHarusTxt[i] + " harus diisi, tidak boleh kosong !");
			document.frmEnquiry[arrHarus[i]].focus();	
			return false;
		}
		else if (check_Tag(document.frmEnquiry[arrHarus[i]].value) == false)
		{
			alert(arrHarusTxt[i] + " tidak boleh ada tag HTML !");
			document.frmEnquiry[arrHarus[i]].focus();	
			return false;
		}
		else if ((arrHarusTxt[i] == "Email") && (check_Email(document.frmEnquiry[arrHarus[i]].value) == false))
		{
			alert("INVALID email addresses, PLEASE ENTER VALID email addresses, eg. john@yahoo.com");
			document.frmEnquiry[arrHarus[i]].focus();
			return false;
		}
	}
	
	return confirm("Apakah Data yang Anda Masukkan Sudah Benar ?");
}

function check_Tag(string){
	if ((string.indexOf('%') != -1) || (string.indexOf('`') != -1) || (string.indexOf('!') != -1) || (string.indexOf('#') != -1) || (string.indexOf('$') != -1) || (string.indexOf('^') != -1) || (string.indexOf('&') != -1) || (string.indexOf('|') != -1) || (string.indexOf('<') != -1) || (string.indexOf('>') != -1))
	{ return false; }
	else { return true; }
}

function check_Email(string){
	if (((string.indexOf("@")) == -1) || ((string.indexOf(".")) == -1))
	{ return false; }
	else { return true; }
}