function validatsearch()
{
		if (document.frmSearch.searchKeyword.value == "")
		{
			alert ("Please enter a search item .");
			document.frmSearch.searchKeyword.focus();
			return false;
		}
}
function validatNewsletter()
	{
		var emailPat = /^[A-Za-z0-9_\-]+([.][A-Za-z0-9_\-]+)*[@][A-Za-z0-9_\-]+([.][A-Za-z0-9_\-]+)+$/
		var matchArray = document.frmNewsletter.strEmail.value.match(emailPat);
		if (matchArray == null)
		{
			alert ("Please enter your valid email address.");
			document.frmNewsletter.strEmail.focus();
			return false;
		}
		//window.open('', 'mailingList', 'toolbar=0,location=0,status=0,menubar=0,scrollbars=0,resizable=1,width=400,height=200')
	}
function clearTip(field)
	{
		if(field.defaultValue == field.value)
		field.value = "";
	}

function writeTip(field)
{
	if(field.value == "")
		field.value = field.defaultValue;
}

function validationContact()
	{
		var emailPat = /^[A-Za-z0-9_\-]+([.][A-Za-z0-9_\-]+)*[@][A-Za-z0-9_\-]+([.][A-Za-z0-9_\-]+)+$/
		var matchArray = document.frmContact.email.value.match(emailPat);
		if (document.frmContact.fname.value == "")
		{
			alert ("Please enter your Name.");
			document.frmContact.fname.focus();
			return false;
		}
		if (matchArray == null)
		{
			alert ("Please enter your valid email address.");
			document.frmContact.email.focus();
			return false;
		}
		if (document.frmContact.country.value == "")
		{
			alert ("Please select your Country.");
			document.frmContact.country.focus();
			return false;
		}
		if (document.frmContact.comments.value == "")
		{
			alert ("Please enter your comments here.");
			document.frmContact.comments.focus();
			return false;
		}
		return true;
	}
	
function validateUnsubscribe()
	{
		var emailPat = /^[A-Za-z0-9_\-]+([.][A-Za-z0-9_\-]+)*[@][A-Za-z0-9_\-]+([.][A-Za-z0-9_\-]+)+$/
		var matchArray = document.frmUnsubscribe.email.value.match(emailPat);
		if (matchArray == null)
		{
			alert ("Please enter your valid email address.");
			document.frmUnsubscribe.email.focus();
			return false;
		}
		return true;
	}



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) {
		nav_01_over = newImage("images/nav_01-over.gif");
		nav_02_over = newImage("images/nav_02-over.gif");
		nav_03_over = newImage("images/nav_03-over.gif");
		nav_04_over = newImage("images/nav_04-over.gif");
		nav_05_over = newImage("images/nav_05-over.gif");
		nav_06_over = newImage("images/nav_06-over.gif");
		nav_07_over = newImage("images/nav_07-over.gif");
		preloadFlag = true;
	}
}