var LOOKUP_IMAGES = new Array();
	LOOKUP_IMAGES["looking_up"] = "pics/lookup_looking_up.gif";
	LOOKUP_IMAGES["available"] = "pics/lookup_available.gif";
	LOOKUP_IMAGES["not_available"] = "pics/lookup_not_available.gif";
	
	var REGISTER_IMAGES = new Array();
	REGISTER_IMAGES["registering"] = "pics/register_registering.gif";
	REGISTER_IMAGES["ok"] = "pics/register_ok.gif";
	REGISTER_IMAGES["error"] = "pics/register_error.gif";
	
	function preCacheLookupImages()
	{
		var aImg = new Array();
		for (sName in LOOKUP_IMAGES) {
			oImg = new Image();
			oImg.src = LOOKUP_IMAGES[sName];
			aImg[aImg.length] = oImg;
			oImg = null;
		}
	}
	function preCacheRegisterImages()
	{
		var aImg = new Array();
		for (sName in REGISTER_IMAGES) {
			oImg = new Image();
			oImg.src = REGISTER_IMAGES[sName];
			aImg[aImg.length] = oImg;
			oImg = null;
		}
	}
	preCacheLookupImages();
	
	function setLookupGift(sVal)
	{
		var oForm = document.frmLookup;
		oForm.is_gift.value = sVal;
	}
	
	function checkDomainName(sName)
	{
		sName = (typeof(sName) == "undefined") ? "domain_name[]" : sName;
		var oForm = document.frmLookup;
		bCaSelected = oForm["domain_ext[ca]"].checked;
		for (e=0;e<oForm.length;e++) {
			oElement = oForm.elements[e];
			if (oElement.name == sName) {
				sDomainName = oElement.value;
				if (bCaSelected) {
					sDomainName = sDomainName.replace(/\.(bc|ab|sk|mb|on|qc|ns|nb|pe|nl|nu|yk|nt)$/i, "");
				}
				if (sDomainName.search(/^[a-zA-Z0-9]+(-[a-zA-Z0-9]+)*$/i) == -1) {
					return e;
				}
			}
		}
		return -1;
	}
	
	function checkLookupForm()
	{
		var oForm = document.frmLookup;
		iErrorDomainNameIndex = checkDomainName();
		if (iErrorDomainNameIndex != -1) {
			alert("Please enter domain name in valid format.");
			oForm.elements[iErrorDomainNameIndex].focus();
		} else {
			iSelectedExt = 0;
			bSelectedType = false;
			for (e=0;e<oForm.length;e++) {
				oElement = oForm.elements[e];
				if (oElement.name.indexOf("domain_ext[") == 0 && oElement.checked) {
					iSelectedExt ++;
				} else if (oElement.name == "type" && oElement.checked) {
					bSelectedType = true;
				}
			}
			if (!bSelectedType) {
				alert("Please select a registration type.");
			} else if (iSelectedExt == 0) {
				alert("Please select at least one domain extension.");
			} else {
				return true;
			}
		}
		return false;
	}
	
	function popWhoIs(sDomain)
	{
		return open("whois.php?domain=" + escape(sDomain), "whois", "width=570,height=400,resizable=yes,scrollbars=yes");
	}
	
	function cancelRegistration(sRegId)
	{
		if (confirm("Are you sure you want to cancel this registration?")) {
			location.href = "register_cancel.php?rid=" + sRegId;
		}
	}