/* --- common utils --- */

var utilVars={projName:'stimul-cash'}, psWWWrsid;
function initSupportWindow(){
	var src=(location.protocol.indexOf("https")==0?"https://secure.providesupport.com/image":"http://image.providesupport.com")+"/js/"+utilVars.projName+"/safe-standard.js?ps_h=WWWr\u0026ps_t="+new Date().getTime();
	var js = document.createElement('script');
	js.setAttribute('type', 'text/javascript');
	js.setAttribute('src', src);
	document.getElementById('live_support').appendChild(js);
}
function openSupportWindow(){
	if(psWWWrsid){
		showWindow('support_window','http://messenger.providesupport.com/messenger/'+utilVars.projName+'.html?ps_s='+psWWWrsid,500,560);
	}else{
		popItUp('about:blank','support_window',500,560);
		initSupportWindow();
		var timer = setInterval(function(){
			if(psWWWrsid){
				clearInterval(timer);
				openSupportWindow();
			}
		}, 5);
	}
}
function showCertificate(u){
	u=u||'https://my-secure-billing.com/certificates.php';
	showWindow('cert_window',u,500,350);
}
function showSpecialOffer(u){
	u=u||'out/?id=special_offer_url';
	showWindow('spo_window',u,620,620);
}
function showWindow(id,u,w,h){
	if(!utilVars[id] || utilVars[id].closed){
		utilVars[id]=popItUp(u,id,w,h);
	}
	utilVars[id].focus();
}
function popItUp(u,n,w,h){
	var l=(screen.availWidth  - w) / 2, t=(screen.availHeight - h) / 2
	,op='toolbar=no,location=no,directories=no,status=no,scrollbars=yes,resizable=yes,copyhistory=no,width='+w+',height='+h+',left='+l+',top='+t
	,n=n||'_blank';
	return window.open(u,n,op);
}