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_01_over = newImage("images/menu_01-over.gif");
		menu_02_over = newImage("images/menu_02-over.gif");
		menu_03_over = newImage("images/menu_03-over.gif");
		menu_09_over = newImage("images/menu_09-over.gif");
		preloadFlag = true;
	}
}



var testresults = false;

function checkemail(){
	var str=document.myForm.Email.value;
	var filter=/^([\w-]+(?:\.[\w-]+)*)@((?:[\w-]+\.)*\w[\w-]{0,66})\.([a-z]{2,6}(?:\.[a-z]{2})?)$/i;
	if (filter.test(str)){
		testresults=true;
	}
	else{
		testresults=false;
		alert("Please input a valid email address!");

	}
	return (testresults);
}