function openwindow( url, width, height, scrollbars ) {
	window.open( url, "window", "menubar=0, resizable=0, scrollbars=" + scrollbars + ", width=" + width + ", height=" + height );
}

 function is_valid_email_address(addrStr) {
	if (addrStr == null || addrStr.length < 8 || addrStr.indexOf('@') < 0 || addrStr.indexOf('.') < 0) {
		return false;
	}
	return true;
}

function readCookie(name) {
	var nameEQ = name + "=";
	var ca = document.cookie.split(';');
	for(var i=0;i < ca.length;i++) {
		var c = ca[i];
		while (c.charAt(0)==' ') c = c.substring(1,c.length);
		if (c.indexOf(nameEQ) == 0) return c.substring(nameEQ.length,c.length);
	}
	return null;
}

new domFunction(function(){
	if (! xGetElementById('MICROCART_QUANTITY')) return;
	var u = readCookie('MICROCART_USERNAME');
	var uDOM = xGetElementById('MICROCART_USERNAME');
	if (u && uDOM) {
		uDOM.innerHTML = u;
		xGetElementById('welcome').style.display = 'block'
	}else {
		uDOM.innerHTML = '';		
		xGetElementById('welcome').style.display = 'none';
	}

	var q = readCookie('MICROCART_QUANTITY');
	if (q) xGetElementById('MICROCART_QUANTITY').innerHTML = q;
});