function MM_openBrWindow(theURL,winName,features,width,height) { //v2.0
	var left=(screen.width-width)/2, top=(screen.height-height)/2;
	window.open(theURL,winName,features+',width='+width+',height='+height+',top='+top+',left='+left);
}

function open_admin(){ //v2.0
	var left=(screen.width-800)/2, top=(screen.height-560)/2;
	window.open('admin/index.php','','toolbar=no,location=no,status=yes,menubar=no,scrollbars=no,resizable=yes,width=800,height=560,top='+top+',left='+left);
}

function onsubscribe(){
	if (subscribe.subscribe_email.value.length == 0) {
		subscribe_email.email.focus();
		alert("Please enter your email address!");
		return false;
	}
	if ((subscribe.subscribe_email.value.indexOf ('@',0) == -1 || subscribe.subscribe_email.value.indexOf ('.',0) == -1) && subscribe.subscribe_email.value != "") {
		subscribe.subscribe_email.focus();
		alert("Please enter a valid email address!");
		return false;
	}
 return true;
}