function newImage(arg) {
	if (document.images) {
		rslt = new Image();
		rslt.src = arg;
		return rslt;
	}
}

function changeImages() {
	if (document.images && (preloadFlag == true)) {
		for (var i=0; i<changeImages.arguments.length; i+=2) {
			document[changeImages.arguments[i]].src = changeImages.arguments[i+1];
		}
	}
}

var preloadFlag = false;
function preloadImages() {
	if (document.images) {
		menu_over = newImage("images/menu-over.jpg");
		menu_over004 = newImage("images/menu-over-04.jpg");
		menu_over005 = newImage("images/menu-over-05.jpg");
		menu_over006 = newImage("images/menu-over-06.jpg");
		menu_over007 = newImage("images/menu-over-07.jpg");
		menu_over008 = newImage("images/menu-over-08.jpg");
		menu_over009 = newImage("images/menu-over-09.jpg");
		preloadFlag = true;
	}
}

	function checkFill(){
		if(document.form1.a.value == ""){
			alert("The [Name] can not empty");
		}else if(document.form1.g.value == ""){
			alert("The [E-mail] can not empty");
		}else if(document.form1.k.value == ""){
			alert("The [Enquiries] can not empty");
		}else{
			document.form1.submit();
		};
	}

	function checkFill2(){
		if(document.form1.name.value == ""){
			alert("The [Name] can not empty");
		}else if(document.form1.email.value == ""){
			alert("The [E-mail] can not empty");
		}else if(document.form1.email.value.indexOf("@")<0 || document.form1.email.value.indexOf(".")<0){
			alert("The [E-mail] is wrong");
		}else{
			document.form1.submit();
		};
	}