function Detect() {
	var agent = navigator.userAgent.toLowerCase();
	this.major = parseInt(navigator.appVersion);
	this.minor = parseFloat(navigator.appVersion);
	this.ns = ((agent.indexOf('mozilla')!=-1) && ((agent.indexOf('spoofer')==-1) && (agent.indexOf('compatible') == -1)));
	this.ns4 = (this.ns && (this.major < 5));
	this.ie = (agent.indexOf("msie") != -1);
}
var is = new Detect();

function popupWindow(url,name,params) {
	var popwin = window.open(url,name,params);
	popwin.focus();
}